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Published journal articles indexed by SCI, SSCI, and AHCI

A Comprehensive Study on Chemical and Biological Investigation of Thymus Brachychilus Jalas: A Rich Source of Ursolic and Oleanolic Acids

Akdeniz M., Yigitkan S., Yilmaz M. A., Yener I., Varhan Oral E., Fırat M., et al.
Analytical Letters , vol.57, no.16, pp.2677-2693, 2024 (SCI-Expanded) identifier identifier

Essential Oil Contents of Hypericum linarioides , H. helianthemoides, and H. lydium with Their Biological Activities: Importance of Hypericum Genus in the Cosmeceutical and Pharmaceutical Industries

Akdeniz M., Yener I., Ertas A., Dincel D., Fırat M., Kocakaya S. O., et al.
Pharmaceutical Chemistry Journal , vol.57, no.9, pp.1460-1468, 2023 (SCI-Expanded) Sustainable Development identifier

Development and Validation of a SPE–HPLC Method for Quantification of Rhein, Emodin, Chrysophanol and Physcion in Rhamnus petiolaris Boiss. & Balansa

Köseoğlu Yılmaz P., Kolak U.
JOURNAL OF CHROMATOGRAPHIC SCIENCE , vol.00, pp.1-6, 2023 (SCI-Expanded) identifier

Development and Validation of a Novel LC-MS/MS Method for the Quantitation of 19 Fingerprint Phytochemicals in Salvia Species: A Chemometric Approach

Yilmaz M. A., Ertas A., Yener I., Olmez O. T., Fırat M., Temel H., et al.
JOURNAL OF CHROMATOGRAPHIC SCIENCE , vol.60, no.8, pp.770-785, 2022 (SCI-Expanded) identifier identifier identifier

Investigation of cytotoxic and apoptotic effects of 63 compounds obtained from Salvia species: Promising anticancer agents

Kandemir S. I., FİDAN H. S., Yener I., METE N., ERTAŞ A., TOPÇU G., et al.
JOURNAL OF FOOD BIOCHEMISTRY , vol.46, no.9, 2022 (SCI-Expanded) Sustainable Development identifier identifier identifier

Comprehensive study of chemical composition and biological activity of Thymus pubescens Boiss. et Kotschy ex Celak

Yigitkan S., Akdeniz M., Yener I., Seker Z., Yilmaz M. A., Firat M., et al.
SOUTH AFRICAN JOURNAL OF BOTANY , vol.149, pp.425-434, 2022 (SCI-Expanded) Sustainable Development identifier identifier

Essential Oil, Aroma, and Fatty Acid Profiles of Five Endemic Salvia Taxa from Turkey with Chemometric Analysis

ERTAŞ A., Akdeniz M., Yener I., ÖZTÜRK M., Olmez O. T., Fırat M., et al.
CHEMISTRY & BIODIVERSITY , vol.19, no.1, 2022 (SCI-Expanded) identifier identifier identifier

Determination of essential oil and biological activities of<i> Hypericum</i><i> ternatum</i> Poulter and<i> H.</i><i> scabrum</i> L. species collected from different localities: is<i> H.</i><i> scabrum</i> an alternative to multifunctional species ST JOHN'S WORT (H.<i> perforatum)?</i>

Akdenız M., Yener İ., İrtegün Kandemır S., Özhan Kocakaya Ş., Fırat M., Yığıtkan S., et al.
TURKISH JOURNAL OF CHEMISTRY , vol.46, no.6, pp.1956-1971, 2022 (SCI-Expanded) Sustainable Development identifier identifier identifier identifier

Isolation of secondary metabolites of two endemic species: Salvia rosifolia Sm. and Salvia cerino-pruinosa Rech. f. var. elazigensis (Lamiaceae)

YARIŞ E., Adsiz L. B., Yener I., Tuncay E., YILMAZ M. A., Akdeniz M., et al.
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION , vol.15, no.6, pp.4929-4938, 2021 (SCI-Expanded) identifier identifier

Biological and Chemical Comparison of Natural and Cultivated Samples of Satureja macrantha CAMey

Akdeniz M., Yener I., Ertas A., Firat M., Resitoglu B., Hasimi N., et al.
RECORDS OF NATURAL PRODUCTS , vol.15, no.6, pp.568-584, 2021 (SCI-Expanded) Sustainable Development identifier identifier

Comparison of chemical and biological properties of in vivo and in vitro samples of Salvia siirtica Kahraman, Celep & Dogan extracts prepared with different solvents

Fidan H. S., Kilinc F. M., Yilmaz M. A., Akdeniz M., Yener I., Fırat M., et al.
South African Journal of Botany , vol.142, pp.421-429, 2021 (SCI-Expanded) Sustainable Development identifier identifier

Bioguided Isolation of Secondary Metabolites from Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa

Ertas A., Cakirca H., Yener I., Akdeniz M., Firat M., Topcu G., et al.
RECORDS OF NATURAL PRODUCTS , vol.15, no.6, pp.585-592, 2021 (SCI-Expanded) identifier identifier

Phytochemical Fingerprints and Bioactivities of Ripe Disseminules (Fruit-Seeds) of Seventeen Gundelia (Kenger-Kereng Dikeni) Species from Anatolia with Chemometric Approach

Ertas A., Fırat M., Yener I., Akdeniz M., Yigitkan S., Bakir D., et al.
CHEMISTRY & BIODIVERSITY , vol.18, no.8, 2021 (SCI-Expanded) Sustainable Development identifier identifier identifier

Method validation of 15 phytochemicals in Hypericum lysimachioides var. spathulatum by LC–MS/MS, and fatty acid, essential oil, and aroma profiles with biological activities

Akdeniz M., Yilmaz M. A., Ertas A., Yener I., Fırat M., Aydin F., et al.
Journal of Food Measurement and Characterization , vol.14, no.6, pp.3194-3205, 2020 (SCI-Expanded) identifier identifier

Selective in vitro and in silico enzymes inhibitory activities of phenolic acids and flavonoids of food plants: Relations with oxidative stress

Yener I., Kocakaya S. O., Ertas A., Erhan B., Kaplaner E., Oral E. V., et al.
FOOD CHEMISTRY , vol.327, 2020 (SCI-Expanded) identifier identifier identifier

A GC–MS method validation for quantitative investigation of some chemical markers in Salvia hypargeia Fisch. & C.A. Mey. of Turkey: Enzyme inhibitory potential of ferruginol

Bakir D., Akdeniz M., Ertas A., Yilmaz M. A., Yener I., Fırat M., et al.
Journal of Food Biochemistry , vol.44, no.9, 2020 (SCI-Expanded) identifier identifier identifier

Phytochemical and biological investigations on two Nepeta species: Nepeta heliotropifolia and N. congesta subsp. cryptantha

Akdeniz M., Ertas A., Yener I., Fırat M., KOLAK U.
JOURNAL OF FOOD BIOCHEMISTRY , vol.44, no.2, 2020 (SCI-Expanded) identifier identifier identifier

Anticholinesterase and Antioxidant Activities of Natural Abietane Diterpenoids with Molecular Docking Studies

TOPÇU G., AKDEMİR A., KOLAK U., Ozturk M., Boga M., BAHADORİ F., et al.
CURRENT ALZHEIMER RESEARCH , vol.17, no.3, pp.269-284, 2020 (SCI-Expanded) identifier identifier identifier

Triterpenoids and steroids isolated from Anatolian Capparis ovata and their activity on the expression of inflammatory cytokines

GAZİOĞLU I., Semen S., Acar O. O., KOLAK U., Sen A., TOPÇU G.
PHARMACEUTICAL BIOLOGY , vol.58, no.1, pp.925-931, 2020 (SCI-Expanded) identifier identifier identifier

Selective in-vitro Enzymes' Inhibitory Activities of Fingerprints Compounds of Salvia Species and Molecular Docking Simulations

ÖZHAN KOCAKAYA Ş., ERTAŞ A., Yener I., Ercan B., VARHAN ORAL E., Akdeniz M., et al.
IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH , vol.19, no.2, pp.187-198, 2020 (SCI-Expanded) Sustainable Development identifier identifier identifier

Chemical compositions by LC-MS/MS and GC-MS and biological activities of Chenopodium album subsp. album var. microphyllum

Yilmaz P., Ertas A., AKDENIZ M., Avci M., Kolak U.
INDUSTRIAL CROPS AND PRODUCTS , vol.141, 2019 (SCI-Expanded) identifier identifier

Characterization of the Chemical Profile of Euphorbia Species from Turkey by Gas Chromatography-Mass Spectrometry (GC-MS), Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS), and Liquid Chromatography-Ion Trap-Time-of-Flight-Mass Spectrometry (LC-IT-TOF-MS) and Chemometric Analysis

Yener I., Ertas A., Yılmaz M. A., Olmez O. T., Yilmaz P. K., Yesil Y., et al.
ANALYTICAL LETTERS , vol.52, no.7, pp.1031-1049, 2019 (SCI-Expanded) identifier identifier

A detailed study on chemical and biological profile of nine Euphorbia species from Turkey with chemometric approach: Remarkable cytotoxicity of E-fistulasa and promising tannic acid content of E-eriophora

Yener I., Olmez O. T., Ertas A., Yilmaz M. A., Fırat M., Kandemir S. I., et al.
INDUSTRIAL CROPS AND PRODUCTS , vol.123, pp.442-453, 2018 (SCI-Expanded) Sustainable Development identifier identifier

OCHRATOXIN A LEVELS IN FOOD AND BEVERAGE SAMPLES FROM TURKEY

GAZİOĞLU I., Kolak U.
ACTA ALIMENTARIA , vol.47, no.2, pp.189-194, 2018 (SCI-Expanded) Sustainable Development identifier identifier

SPE-HPLC Determination of Chlorogenic and Phenolic Acids in Coffee

Yilmaz P. K., Kolak U.
JOURNAL OF CHROMATOGRAPHIC SCIENCE , vol.55, no.7, pp.712-718, 2017 (SCI-Expanded) identifier identifier identifier

Phenolic Profile, Fatty Acid and Essential Oil Composition Analysis and Antioxidant, Antialzheimer and Antibacterial Activities of Verbascum flavidum Extracts

BOĞA M., ERTAŞ A., HAŞİMİ N., DEMİRCİ S., YILMAZ M. A., TEMEL H., et al.
CHIANG MAI JOURNAL OF SCIENCE , vol.43, no.5, pp.1089-1100, 2016 (SCI-Expanded) identifier identifier

Capparis ovata treatment suppresses inflammatory cytokine expression and ameliorates experimental allergic encephalomyelitis model of multiple sclerosis in C57BL/6 mice

Ozgun-Acar O., Celik-Turgut G., GAZİOĞLU I., Kolak U., ÖZBAL S., ERGÜR B. U., et al.
JOURNAL OF NEUROIMMUNOLOGY , vol.298, pp.106-116, 2016 (SCI-Expanded) identifier identifier identifier

Phytochemical profile and some biological activities of three Centaurea species from Turkey

Boga M., Alkan H., Ertas A., Oral E. V., Yilmaz M. A., Yesil Y., et al.
TROPICAL JOURNAL OF PHARMACEUTICAL RESEARCH , no.9, pp.1865-1875, 2016 (SCI-Expanded) Sustainable Development identifier identifier

Determination of Phenolic Acids in Atriplex hortensis L. by Novel Solid-Phase Extraction and High-Performance Liquid Chromatography

Yilmaz P., Kolak U.
ANALYTICAL LETTERS , vol.49, no.14, pp.2157-2164, 2016 (SCI-Expanded) identifier identifier

Method Validation for the Quantitative Analysis of Aflatoxins (B1, B2, G1, and G2) and Ochratoxin A in Processed Cereal-Based Foods by HPLC with Fluorescence Detection

GAZİOĞLU I., Kolak U.
JOURNAL OF AOAC INTERNATIONAL , vol.98, no.4, pp.939-945, 2015 (SCI-Expanded) identifier identifier identifier

In vitro biological activities and fatty acid profiles of Pistacia terebinthus fruits and Pistacia khinjuk seeds

Hacibekiroglu I., Yilmaz P., Hasimi N., Kilinc E., Tolan V., Kolak U.
NATURAL PRODUCT RESEARCH , vol.29, no.5, pp.444-446, 2015 (SCI-Expanded) Sustainable Development identifier identifier identifier

Screening antioxidant and anticholinesterase potential of Iris albicans extracts

Hacibekiroglu I., Kolak U.
ARABIAN JOURNAL OF CHEMISTRY , vol.8, no.2, pp.264-268, 2015 (SCI-Expanded) identifier identifier

Chemical profile and biological activities of Veronica thymoides subsp pseudocinerea

Ertas A., Boga M., Kizil M., Ceken B., Goren A. C., Hasimi N., et al.
PHARMACEUTICAL BIOLOGY , vol.53, no.3, pp.334-339, 2015 (SCI-Expanded) identifier identifier identifier

Evaluation of Antioxidant, Cholinesterase Inhibitory and Antimicrobial Properties of Mentha longifolia subsp noeana and Its Secondary Metabolites

Ertas A., Goeren A. C., Hasimi N., Tolan V., Kolak U.
RECORDS OF NATURAL PRODUCTS , vol.9, no.1, pp.105-115, 2015 (SCI-Expanded) Sustainable Development identifier identifier

Chemical Composition of The Essential Oils of Three Centaurea Species Growing Wild in Anatolia and Their Anticholinesterase Activities

Ertas A., Goren A. C., Boga M., DEMİRCİ S., Kolak U.
JOURNAL OF ESSENTIAL OIL BEARING PLANTS , vol.17, no.5, pp.922-926, 2014 (SCI-Expanded) identifier identifier

Chemical Constituents and Biological Activities of <i>Cirsium</i> <i>leucopsis</i>, <i>C</i>. <i>sipyleum</i>, and <i>C</i>. <i>eriophorum</i>

Boga M., Yilmaz P., Cebe D. B., Fatima M., Siddiqui B. S., Kolak U.
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION C-A JOURNAL OF BIOSCIENCES , no.9-10, pp.381-390, 2014 (SCI-Expanded) identifier identifier identifier

Simultaneous determination of seven phthalic acid esters in beverages using ultrasound and vortex-assisted dispersive liquid-liquid microextraction followed by high-performance liquid chromatography

Yilmaz P., Ertas A., Kolak U.
JOURNAL OF SEPARATION SCIENCE , vol.37, no.16, pp.2111-2117, 2014 (SCI-Expanded) identifier identifier identifier

Chemical Compositions by Using LC-MS/MS and GC-MS and Biological Activities of Sedum sediforme (Jacq.) Pau

Ertas A., Boga M., Yilmaz M. A., Yesil Y., Hasimi N., Kaya M. S., et al.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY , vol.62, no.20, pp.4601-4609, 2014 (SCI-Expanded) Sustainable Development identifier identifier identifier

Essential oil compositions and anticholinesterase activities of two edible plants Tragopogon latifolius var. angustifolius and Lycopsis orientalis

Ertas A., Gören A. C., Boga M., Yesil Y., Kolak U.
NATURAL PRODUCT RESEARCH , vol.28, no.17, pp.1405-1408, 2014 (SCI-Expanded) identifier identifier identifier

Effect of roasting on antioxidant and anticholinesterase capacities of coffee

Yilmaz P., Hacibekiroglu I., Kolak U.
JOURNAL OF FOOD AND NUTRITION RESEARCH , no.3, pp.232-239, 2014 (SCI-Expanded) identifier identifier

Antioxidant, anticholinesterase, and antimicrobial activities and fatty acid constituents of Achillea cappadocica Hausskn. et Bornm.

Ertas A., Boga M., Hasimi N., Yesil Y., Goren A. C., TOPÇU G., et al.
TURKISH JOURNAL OF CHEMISTRY , vol.38, no.4, pp.592-599, 2014 (SCI-Expanded) identifier identifier

Aflatoxins in various food from Istanbul, Turkey

Hacibekiroglu I., Kolak U.
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE , vol.6, no.4, pp.260-264, 2013 (SCI-Expanded) identifier identifier identifier

Terpenoids, essential oil composition and fatty acids profile, and biological activities of Anatolian Salvia fruticosa Mill.

TOPÇU G., Ozturk M., Kusman T., Barla Demirkoz A. A., Kolak U., Ulubelen A.
TURKISH JOURNAL OF CHEMISTRY , vol.37, no.4, pp.619-632, 2013 (SCI-Expanded) identifier identifier

Indole Alkaloids from Vinca major and V. minor Growing in Turkey

Bahadori F., Topcu G., Boga M., Turkekul A., Kolak U., KARTAL M.
NATURAL PRODUCT COMMUNICATIONS , vol.7, no.6, pp.731-734, 2012 (SCI-Expanded) identifier identifier identifier

Screening Some Plants for their Antiproliferative Compounds

Ulubelen A., Kolak U., Boga M.
RECORDS OF NATURAL PRODUCTS , vol.6, no.3, pp.194-211, 2012 (SCI-Expanded) Sustainable Development identifier identifier

Two new indole alkaloids from Vinca herbacea L.

Boga M., Kolak U., Topcu G., Bahadori F., Kartal M., Farnsworth N. R.
PHYTOCHEMISTRY LETTERS , vol.4, no.4, pp.399-403, 2011 (SCI-Expanded) identifier identifier

Constituents of Plantago major subsp. intermedia with antioxidant and anticholinesterase capacities

Kolak U., Boga M., Urusak E., Ulubelen A.
Turkish Journal of Chemistry , vol.35, no.4, pp.637-645, 2011 (SCI-Expanded) identifier identifier

Antioxidant and anticholinesterase active constituents from Micromeria cilicica by radical-scavenging activity-guided fractionation

Ozturk M., Kolak U., Topcu G., Oksuz S., Choudhary M. I.
FOOD CHEMISTRY , vol.126, no.1, pp.31-38, 2011 (SCI-Expanded) identifier identifier

Antioxidant and Anticholinesterase Constituents from the Petroleum Ether and Chloroform Extracts of Iris suaveolens

Hacibekiroglu I., Kolak U.
PHYTOTHERAPY RESEARCH , vol.25, no.4, pp.522-529, 2011 (SCI-Expanded) Sustainable Development identifier identifier identifier

Antioxidant and anticholinesterase activities of eleven edible plants

Boga M., Hacibekiroglu I., Kolak U.
PHARMACEUTICAL BIOLOGY , vol.49, no.3, pp.290-295, 2011 (SCI-Expanded) identifier identifier identifier

Antioxidant, Anticholinesterase and Antibacterial Activities of Jurinea consanguinea DC.

Ozturk H., Kolak U., Meric C.
RECORDS OF NATURAL PRODUCTS , vol.5, no.1, pp.43-51, 2011 (SCI-Expanded) Sustainable Development identifier identifier

Phytochemical Investigation of Leontice leontopetalum L. subsp ewersmannii with Antioxidant and Anticholinesterase Activities

Kolak U., Hacibekiroglu I., Boga M., Özgökçe F., Ünal M., Choudhary M. I., et al.
RECORDS OF NATURAL PRODUCTS , vol.5, no.4, pp.309-313, 2011 (SCI-Expanded) identifier identifier

GC-MS Analysis of the Antioxidant Active Fractions of Micromeria juliana with Anticholinesterase Activity

Oeztuerk M., Kolak U., Duru M. E., Harmandar M.
NATURAL PRODUCT COMMUNICATIONS , vol.4, no.9, pp.1271-1276, 2009 (SCI-Expanded) Sustainable Development identifier identifier identifier

Antioxidant Diterpenoids from the Roots of Salvia barrelieri

Kolak U., Kabouche A., Ozturk M., Kabouche Z., Topcu G., Ulubelen A.
PHYTOCHEMICAL ANALYSIS , vol.20, no.4, pp.320-327, 2009 (SCI-Expanded) identifier identifier identifier

Antioxidant and anticholinesterase constituents of Salvia poculata

Kolak U., Hacibekiroglu I., Ozturk M., Özgökçe F., Topcu G., Ulubelen A.
TURKISH JOURNAL OF CHEMISTRY , vol.33, no.6, pp.813-823, 2009 (SCI-Expanded) identifier identifier

Antioxidant Capacities of Some Food Plants Wildly Grown in Ayvalik of Turkey

Alpinar K., Oezyuerek M., Kolak U., Gueclue K., ARAS C., Altun M., et al.
FOOD SCIENCE AND TECHNOLOGY RESEARCH , vol.15, no.1, pp.59-64, 2009 (SCI-Expanded) Sustainable Development identifier identifier

GC-MS Analysis and Antimicrobial Activity of Essential Oil of Stachys cretica subsp smyrnaea

Oeztuerk M., Duru M. E., Aydogmus-Oeztuerk F., Harmandar M., Mahhch M., Kolak U., et al.
NATURAL PRODUCT COMMUNICATIONS , vol.4, no.1, pp.109-114, 2009 (SCI-Expanded) identifier identifier identifier

Fatty acids and other lipid composition of five Trifolium species with antioxidant activity

Sabudak T., Ozturk M., Gören A. C., Kolak U., Topcu G.
PHARMACEUTICAL BIOLOGY , vol.47, no.2, pp.137-141, 2009 (SCI-Expanded) identifier identifier

Tricetin 4 '-O-alpha-L-rhamnopyranoside: A new flavonoid from the aerial parts of Erica arborea

Nazemiyeh H., Bahadori F., Delazar A., AY M., Topcu G., Kolak U., et al.
CHEMISTRY OF NATURAL COMPOUNDS , vol.44, no.2, pp.174-177, 2008 (SCI-Expanded) identifier identifier

Antioxidant activity of Erica arborea

Ay M., Bahadori F., Oeztuerk M., Kolak U., Topcu G.
FITOTERAPIA , vol.78, pp.571-573, 2007 (SCI-Expanded) identifier identifier identifier

Isolation of fatty acids and aromatics from cell suspension cultures of Lavandula angustifolia

Topcu G., Herrmann G., Kolak U., Goeren A. C., Porzel A., Kutchan T. M.
NATURAL PRODUCT RESEARCH , vol.21, no.2, pp.100-105, 2007 (SCI-Expanded) identifier identifier identifier

Antioxidant abietane diterpenoids from Salvia barrelieri

Kabouche A., Kabouche Z., Öztürk M., Kolak U., Topçu G.
FOOD CHEMISTRY , vol.102, no.4, pp.1281-1287, 2007 (SCI-Expanded) identifier identifier

Antioxidant activity tests on novel triterpenoids from Salvia macrochlamys

Topcu G., Ertas A., Kolak U., Oeztuerk M., Ulubelen A.
ARKIVOC , pp.195-208, 2007 (SCI-Expanded) identifier identifier

New diterpenoids from the aerial parts of Salvia pilifera

Kolak U.
TURKISH JOURNAL OF CHEMISTRY , vol.31, no.3, pp.363-369, 2007 (SCI-Expanded) identifier identifier

Structure elucidation of a new rearranged abietane diterpene from a biologically active plant, Salvia eriophora

Topçu G., Kolak U., Balcı K., Ulubelen A.
NATURAL PRODUCT COMMUNICATIONS , vol.2, pp.981-986, 2007 (SCI-Expanded) identifier

Norditerpene alkaloids from Delphinium linearilobum and antioxidant activity

Kolak U., Ozturk M., Ozgokce F., Ulubelen A.
PHYTOCHEMISTRY , vol.67, no.19, pp.2170-2175, 2006 (SCI-Expanded) identifier identifier identifier

Two new diterpenoid alkaloids from Aconitum cochleare

Kolak U., Türkekul A., Özgökçe F., Ulubelen A.
PHARMAZIE , vol.60, no.12, pp.953-955, 2005 (SCI-Expanded) identifier identifier identifier

The comparison of the relaxant effects of two methoxylated flavones in rat aortic rings

Uydes-Dogan B. S., Takir S., ÖZDEMİR O., Kolak U., Topçu G., Ulubelen A.
VASCULAR PHARMACOLOGY , vol.43, no.4, pp.220-226, 2005 (SCI-Expanded) identifier identifier identifier

Alkaloids and aromatics of Cyathobasis fruticulosa (Bunge) Aellen

Kucukosmanoglu A., Kurucu S., Kolak U., Topçu G., Adou E., Kingston D.
JOURNAL OF NATURAL PRODUCTS , vol.68, no.6, pp.956-958, 2005 (SCI-Expanded) identifier identifier identifier

Terpenoids and steroids from the roots of Salvia blepharochlaena

Kolak U., Topcu G., Birteksoz S., Otuk G., Ulubelen A.
TURKISH JOURNAL OF CHEMISTRY , vol.29, no.2, pp.177-186, 2005 (SCI-Expanded) identifier identifier

Cardioactive Diterpenes from the roots of Salvia eriophora

ULUBELEN A., Birman H., OKSUZ S., TOPCU G., KOLAK U., BARLA A., et al.
PLANTA MEDICA , vol.68, no.9, pp.818-821, 2002 (SCI-Expanded) identifier identifier identifier

Norditerpenoid alkaloids from the roots of Aconitum leave Royle

Ulubelen A., Mericli A., Mericli F., Kolak U., Arfan M., Ahmad M., et al.
PHARMAZIE , vol.57, no.6, pp.427-429, 2002 (SCI-Expanded) identifier identifier identifier

Cardioactive diterpenoids from the roots of Salvia amplexicaulis

KOLAK U., ARI S., Birman H., HASANCEBI S., ULUBELEN A.
PLANTA MEDICA , vol.67, no.8, pp.761-763, 2001 (SCI-Expanded) identifier identifier identifier

Characterization of two triterpenes and a steroid from the cultured roots of Salvia amplexicaulis

Arı Ş., Kolak U., Hasancebı S., Birman H.
BIOTECHNOLOGY & BIOTECHNOLOGICAL EQUIPMENT , vol.15, no.2, pp.23-26, 2001 (SCI-Expanded) identifier identifier

Chemical and biological evaluation of genus teucrium

Ulubelen A., Topu G., KOLAK U.
Studies in Natural Products Chemistry , vol.23, no.C, pp.591-648, 2000 (SCI-Expanded) identifier

Cardioactive terpenoids and a new rearranged diterpene from Salvia syriaca

ULUBELEN A., OKSUZ S., KOLAK U., Birman H., VOELTER W.
PLANTA MEDICA , vol.66, no.7, pp.627-629, 2000 (SCI-Expanded) identifier identifier identifier

Royleinine, a new norditerpenoid alkaloid from Delphinium roylei

Ulubelen A., Mericli A., Mericli F., Kolak U., Arfan M., Ahmad M., et al.
HETEROCYCLES , vol.53, no.10, pp.2279-2284, 2000 (SCI-Expanded) identifier identifier

Antibacterial diterpenes from the roots of Salvia viridis

Ulubelen A., Oksuz S., Kolak U., Bozok-Johansson C., Celik C., Voelter W.
PLANTA MEDICA , vol.66, no.5, pp.458-462, 2000 (SCI-Expanded) identifier identifier identifier

Diterpenoids from the roots of Salvia bracteata

Ulubelen A., Oksuz S., Kolak U., Tan N., Bozok-Johansson C., Celik C., et al.
PHYTOCHEMISTRY , vol.52, no.8, pp.1455-1459, 1999 (SCI-Expanded) identifier identifier

Diterpenoid alkaloids from the aerial parts of Delphinium staphisagria L.

Ulubelen A., Meriçli A. H., Meriçli F., Kolak U., Desai H. K., Pelletier S. W.
Scientia Pharmaceutica , vol.67, no.3, pp.181-184, 1999 (SCI-Expanded) identifier

Delbruninol, a new norditerpenoid alkaloid from Delphinium brunonianum Royle

Ulubelen A., Desai H., Teng Q., Mericli A., Mericli F., Kolak U., et al.
HETEROCYCLES , vol.51, no.8, pp.1897-1903, 1999 (SCI-Expanded) identifier identifier

Diterpenoid alkaloids from Delphinium crispulum

Ulubelen A., Mericli A., Mericli F., Kolak U., Ilarslan R., Voelter W.
PHYTOCHEMISTRY , vol.50, no.3, pp.513-516, 1999 (SCI-Expanded) identifier identifier

Constituents of Delphinium uncinatum

KOLAK U., Ulusoylu M.
Scientia Pharmaceutica , vol.66, no.4, pp.381-385, 1998 (SCI-Expanded) identifier

Norditerpenoid alkaloids from Delphinium pyrimadale

Ulubelen A., Arfan M., Sonmez U., Mericli A., Mericli F.
PHYTOCHEMISTRY , vol.48, no.2, pp.385-388, 1998 (SCI-Expanded) identifier identifier

Diterpenoid alkaloids from Delphinium uncinatum

Ulubelen A., Arfan M., Sonmez U., Mericli A., Mericli F.
PHYTOCHEMISTRY , vol.47, no.6, pp.1141-1144, 1998 (SCI-Expanded) identifier identifier

Diterpenoids and triterpenoids from Salvia multicaulis

Ulubelen A., Tan N., Sonmez U., Topcu G.
PHYTOCHEMISTRY , vol.47, no.5, pp.899-901, 1998 (SCI-Expanded) identifier identifier identifier

Terpenoids and flavonoids from Salvia cyanescens

Gokdil G., Topcu G., Sonmez U., Ulubelen A.
PHYTOCHEMISTRY , vol.46, no.4, pp.799-800, 1997 (SCI-Expanded) identifier identifier

Diterpenoids from the roots of Salvia sclarea

Ulubelen A., Sonmez U., Topcu G.
PHYTOCHEMISTRY , vol.44, no.7, pp.1297-1299, 1997 (SCI-Expanded) identifier identifier

Constituents of Salvia verticillata

Sonmez U., Topcu G., Ulubelen A.
TURKISH JOURNAL OF CHEMISTRY , vol.21, no.4, pp.376-382, 1997 (SCI-Expanded) identifier identifier

Norsesterterpenes and diterpenes from the aerial parts of Salvia limbata

Ulubelen A., Topcu G., Sonmez U., Eris C., Ozgen U.
PHYTOCHEMISTRY , vol.43, no.2, pp.431-434, 1996 (SCI-Expanded) identifier identifier

An abietane diterpene and two phenolics from Salvia forskahlei

Ulubelen A., Sonmez U., Topcu G., Johansson C.
PHYTOCHEMISTRY , vol.42, no.1, pp.145-147, 1996 (SCI-Expanded) identifier identifier identifier

ABIETANE DITERPENES FROM SALVIA-NAPIFOLIA

ULUBELEN A., TOPCU G., SONMEZ U., CHOUDHARY M., ATTAURRAHMAN A.
PHYTOCHEMISTRY , vol.40, no.3, pp.861-864, 1995 (SCI-Expanded) identifier identifier

TERPENOIDS FROM SALVIA-SCLAREA

ULUBELEN A., TOPCU G., ERIS C., SONMEZ U., KARTAL M., KURUCU S., et al.
PHYTOCHEMISTRY , vol.36, no.4, pp.971-974, 1994 (SCI-Expanded) identifier identifier identifier

Terpenoids from Salvia nemorosa

Ulubelen A., TOPÇU G., KOLAK U., Eris C.
Phytochemistry , vol.35, no.4, pp.1065-1067, 1994 (SCI-Expanded) identifier identifier

Alkaloids And Coumarins From Haplophyllum Thesioides

Ulubelen A., Mericli A., Mericli F., KOLAK U., Ilarslan R.
Natural Product Letters , vol.1, no.4, pp.269-272, 1993 (SCI-Expanded) identifier

Articles Published in Other Journals

Ultrasound and Vortex-Assisted Dispersive Liquid-Liquid Microextraction of Parabens From Personal Care Products and Urine Followed By High Performance Liquid Chromatography

Köseoğlu Yılmaz P., Kolak U.
TURKISH JOURNAL OF PHARMACEUTICAL SCIENCES , vol.20, pp.328-334, 2023 (ESCI)

Evaluation of antioxidant and cholinesterase inhibitory activities of some medicinal plants

Ulaç E., Köseoğlu Yılmaz P., Kolak U.
Food and Health , vol.5, no.1, pp.39-47, 2019 (Peer-Reviewed Journal)

A potential therapeutic role in multiple sclerosis for stigmast-5,22-dien-3 beta-ol myristate isolated from Capparis ovata

Acar O. O., GAZİOĞLU I., Kolak U., ŞEN A., TOPÇU G.
EUROBIOTECH JOURNAL , vol.1, no.3, pp.241-246, 2017 (ESCI) Sustainable Development identifier

LC-MS/MS and GC-MS analyses of three endemic Astragalus species from Anatolia towards their total phenolic-flavonoid contents and biological activities

Haşimi N., Ertaş A., Yılmaz M. A., Boğa M., Temel H., Demirci S., et al.
Biological Diversity and Conservation , vol.10, pp.18-30, 2017 (Peer-Reviewed Journal)

Chemical Profile of Malva Neglecta and Malvella Sherardiana by LC-MS/MS, GC/MS and Their Anticholinesterase, Antimicrobial and Antioxidant Properties With Aflatoxin-Contents

HAŞİMİ N., ERTAŞ A., VARHAN ORAL E., Yener I., Alkan H., BOĞA M., et al.
MARMARA PHARMACEUTICAL JOURNAL , vol.21, no.3, pp.471-484, 2017 (ESCI) Sustainable Development identifier identifier

Investigation of Anticholinesterase Activity of a Series of Salvia Extracts and the Constituents of Salvia staminea

TOPÇU G., KOLAK U., Ozturk M., Boga M., Hatipoglu S. D., BAHADORİ F., et al.
NATURAL PRODUCTS JOURNAL , vol.3, no.1, pp.3-9, 2013 (ESCI) identifier

Biological activities and phenolic-flavonoid contents of bilberry extracts

Hacibekiroǧlu I., KOLAK U.
Journal of Pharmacy of Istanbul University , vol.42, no.2, pp.103-111, 2012 (ESCI) identifier identifier

Determination of boron in 18 bottled mineral waters in Turkey

KÖSEOĞLU P., KOLAK U.
Journal of Faculty of Pharmacy of Istanbul University , vol.41, pp.28-32, 2011 (Peer-Reviewed Journal)

Further sesquiterpene lactones and flavones from Centaurea bruguierana

KOLAK U., Harraz F., Öksüz S.
Journal of Faculty of Pharmacy of Istanbul University , vol.41, pp.28-32, 1995 (Peer-Reviewed Journal)

Refereed Congress / Symposium Publications in Proceedings

Halk arasında kullanılan Stachys L. türleri

Çavuş Kaya E., Bilal B., Ertaş A., Kolak U.
Socrates 8th international health, engineering and applied sciences congress, Diyarbakır, Turkey, 28 - 30 September 2023, pp.15

Abietan diterpen sugiol ve ferruginolün in vitro ve in silico Alzheimer aktivitelerinin belirlenmesi

Ertaş A., Özhan Kocakaya Ş., Çelik F., Yener İ., Yiğitkan S., Demir Çetin Ş., et al.
Socrates 8th international health, engineering and applied sciences congress, Diyarbakır, Turkey, 28 - 30 September 2023, pp.43-50

Ultrasound and vortex-assisted dispersive liquid-liquid microextraction (USVADLLME) of parabens

Köseoğlu Yılmaz P., Kolak U.
Euroanalysis XX, İstanbul, Turkey, 1 - 05 September 2019, pp.377

A comparative study of solid phase extraction of phthalates from liquid pharmaceutical preparations

Köseoğlu Yılmaz P., Kolak U.
1st International Eurasian Conference on Biological and Chemical Sciences (EurasianBioChem 2018), Ankara, Turkey, 26 - 27 April 2018, pp.460

Stigmast-5,22-dien-3 beta-ol myristate isolated from Capparis ovata having anti-inflammatory and immunomodulatory actions could be of interest for use in multiple sclerosis

ŞEN A., Acar O. O., GAZİOĞLU I., Kolak U., TOPÇU G.
European Biotechnology Congress, Dubrovnik, Croatia, 25 - 27 May 2017, vol.256 identifier

Antioxidant and anticholinesterase potential of some medicinal plants

Ulaç E., Köseoğlu Yılmaz P., Kolak U.
10th Aegean Analytical Chemistry Days, Çanakkale, Turkey, 29 September - 02 October 2016, pp.85

Biological activities of Salvia cerino-pruinosa var. elazigensis

Tuncay E., Boğa M., Yener İ., Fırat M., Aygün Tuncay E., Ertaş A., et al.
10th Aegean Analytical Chemistry Days, Çanakkale, Turkey, 29 September - 02 October 2016, pp.90

Total phenolic-flavonoid contents, antioxidant and anticholinesterase activities of Salvia pseudeuphratica

Aygün Tuncay E., Boğa M., Yener İ., Fırat M., Ertaş A., KOLAK U., et al.
10th Aegean Analytical Chemistry Days, Çanakkale, Turkey, 29 September - 02 October 2016, pp.89

Beneficial actions of dichloromethane sub-fraction of the COWE extract for multiple sclerosis: a potential therapeutic role

Acar O. O., Sen A., Topcu G., Gazioglu I., Kolak U., Arslan S.
41st FEBS Congress on Molecular and Systems Biology for a Better Life, Kusadasi, Turkey, 3 - 08 September 2016, vol.283, pp.358 identifier

The anticholinesterase activity of two Ajuga species

Hasimi N., Tolan V., Kolak U.
41st FEBS Congress on Molecular and Systems Biology for a Better Life, Kusadasi, Turkey, 3 - 08 September 2016, vol.283, pp.74 identifier

The Mutagenic and Antimutagenic Potential of Ajuga xylorrhiza Kit Tan

Haşimi N., Tolan V., KOLAK U.
5th INTERNATIONAL MOLECULAR BIOLOGY AND BIOTECHNOLOGY CONGRESS, Tetova, Macedonia, 25 - 29 August 2016, pp.86

Antioxidant Activity of Endemic Ajuga Xylorrhiza Kit Tan

Haşimi N., Tolan V., KOLAK U.
Symposium on EuroAsian Biodervisity, Antalya, Turkey, 23 - 27 May 2016, pp.276

Chemical composition and antioxidant activity of essential oil of Mentha longifolia subsp. typhoides var. typhoides

Ertaş A., KOLAK U.
ISOPS 11, Ankara, Turkey, 9 - 12 June 2015, pp.65

Phenolics of Atriplex hortensis L. by SPE/HPLC-UV

Köseoğlu Yılmaz P., Kolak U.
11th International Symposium on Pharmaceutical Sciences (ISOPS-11), Ankara, Turkey, 9 - 12 June 2015, pp.103-104

Chemical and biological investigation of Calystegia silvatica

Boğa M., Ertaş A., Yılmaz M. A., Temel H., YEŞİL Y., KOLAK U.
ISOPS 11, Ankara, Turkey, 9 - 12 June 2015, pp.74

Method Validation for Aflatoxin Analysis in Cosmetic Creams

Gazioğlu I., KOLAK U.
ISOPS 11, Ankara, Turkey, 9 - 12 June 2015, pp.132

Fatty acid content of Reseda lutea var. lutea with antioxidant potential

Ertaş A., Dinçel D., Kuşman T., Çulhaoğlu B., YEŞİL Y., KOLAK U., et al.
ISOPS 11, Ankara, Turkey, 9 - 12 June 2015, pp.84

Beta trigyna Bitkisinin Kimyasal İçeriklerinin UPLC-MS/MS, GC-MS ile Araştırılması ve Antioksidan Aktivitesi

Öztürk M., Ertaş A., Yılmaz M. A., Boğa M., YEŞİL Y., Temel H., et al.
XIV. Ulusal Spektroskopi Kongresi, Elazığ, Turkey, 29 - 31 May 2015, pp.101

Yenilen iki bitkinin kimyasal içeriklerinin ve biyolojik aktivitelerinin belirlenmesi: Cardaria draba subsp. draba ve Carduus pycnocephalus subsp. abidus

Boğa M., Ertaş A., Aydın I., Varhan Oral E., Alkan H., Yılmaz M. A., et al.
XIV. Ulusal Spektroskopi Kongresi, Elazığ, Turkey, 29 - 31 May 2015, pp.120

Antioxidative secondary metabolites and extracts from medicinal plants

KOLAK U.
Workshop on Determining Antioxidants as Reactive Species Scavengers, İstanbul, Turkey, 27 - 28 October 2014, pp.22

Anti-neuroinflammatory effect of butanolic subextract of Capparis ovata water extract used as an alternative and complementary treatment for multiple sclerosis

ŞEN A., TOPÇU G., Ozgun O., Kolak U., Hacibekiroglu I., Celik G., et al.
12th International Congress of Neuroimmunology (ISNI), Mainz, Germany, 9 - 13 November 2014, vol.275, pp.172-173 identifier

A new HPLC method for determination of phthalates in juice samples

KÖSEOĞLU YILMAZ P., KOLAK U.
20th International symposium on separation sciences, Prag, Czech Republic, 30 August - 02 September 2014, pp.159

Sedum sediforme (JACQ.) PAU Türünün GC-MS ve LC-MS ile Yağ Asidi, Uçucu Yağ ve Fenolik Bileşiminin Belirlenmesi

Yılmaz M. A., Ertaş A., Boğa M., YEŞİL Y., Aydın I., Temel H., et al.
21. Bitkisel İlaç Hammaddeleri Toplantısı (BİHAT), Nevşehir, Turkey, 28 May - 01 June 2014, pp.16

Güneydoğu Anadolu Bölgesinde Sebze Olarak Tüketilen Malva neglecta Wallr. Bitkisiyle İlgili Detaylı Bir Çalışma

Ertaş A., Boğa M., Yılmaz M. A., YEŞİL Y., Temel H., KOLAK U., et al.
21. Bitkisel İlaç Hammaddeleri Toplantısı (BİHAT), Nevşehir, Turkey, 28 May - 01 June 2014, pp.77

A Detailed Study on Three Endemic Astragalus Species

Ertaş A., Temel H., Yılmaz M. A., Boğa M., Haşimi N., Gören A. C., et al.
II. İlaç Kimyası, Üretimi, Teknolojisi, Standardizasyonu Kongresi, Antalya, Turkey, 21 - 23 March 2014, pp.63

Phenolic Profile, Fatty Acid and Essential Oil composition and Antioxidant, Antialzheimer Activity of Verbascum flavidum Extracts

Boğa M., Ertaş A., Yılmaz M. A., Genişel N., Yener İ., Temel H., et al.
II. İlaç Kimyası, Üretimi, Teknolojisi, Standardizasyonu Kongresi, Antalya, Turkey, 21 - 23 March 2014, pp.103

Antioxidant, Anticholinesterase and Antimicrobial Activities of Three Wild Growing Centaurea species in Anatolia

Boğa M., Ertaş A., Haşimi N., YEŞİL Y., KOLAK U., Topçu G.
II. İlaç Kimyası, Üretimi, Teknolojisi, Standardizasyonu Kongresi, Antalya, Turkey, 21 - 23 March 2014, pp.82

Investigation on Endemic Veronica thymoides subsp. pseudocinerea

Ertaş A., Boğa M., Kızıl M., Çeken B., Demirci S., Haşimi N., et al.
11th International Ethnobotany Symposium, Antalya, Turkey, 2 - 05 November 2013, pp.136

Fatty Acid and Essential Oil Compositions and DNA Damage of Melissa officinalis L. subsp. altissima (SM.) Arcangeli

Ertaş A., Boğa M., YEŞİL Y., Kızıl M., Çeken B., Gören A. C., et al.
11th International Ethnobotany Symposium, Antalya, Turkey, 2 - 05 November 2013, pp.78

Fatty Acid And Essential Oil Compositions With DNA Damage Of Melissa officinalis L. subsp. altissima (Sm.) Arcangeli.

Ertaş A., Boğa M., YEŞİL Y., Kızıl M., Gören B., Topçu G., et al.
11th International Ethnobotany Symposio, Antalya, Turkey, 2 - 05 November 2013, pp.21

Phytochemical Investigation Of Two Alcea L. Species From Anatolia With Antimicrobial Activity.

Ertaş A., Boğa M., YEŞİL Y., Kızıl M., Çeken B., Gören A. C., et al.
‘11th International Ethnobotany Symposio, Antalya, Turkey, 2 - 05 November 2013, pp.22

Constituents of Cirsium eriophorum with antioxidant and anticholinesterase activities

Köseoğlu Yılmaz P., Boğa M., Kolak U.
IUPAC 2013, İstanbul, Turkey, 11 - 16 August 2013

Antioxidant and anticholinesterase activities of Pistacia terebinthus and Pistacia khinjuk with mycotoxin levels

Hacıbekiroğlu I., Köseoğlu Yılmaz P., Kolak U.
IUPAC 2013, İstanbul, Turkey, 11 - 16 August 2013, pp.698

Fatty Acid and Essential Oil Compositions and Biological Activity of Hypericum capitatum var. capitatum.

Boğa M., Ertaş A., KOLAK U., Topçu G., Gören A. C., YEŞİL Y.
44thWorld Chemistry Congress, İstanbul, Turkey, 11 - 16 August 2013, pp.696

Antioxidant and anticholinesterase activities of Atriplex hortensis

Köseoğlu Yılmaz P., Hacıbekiroğlu I., Kolak U.
IUPAC 2013, İstanbul, Turkey, 11 - 16 August 2013, pp.1079

Determination of ochratoxin A in foods from Turkey

Hacıbekiroğlu I., KOLAK U.
IUPAC 2013, Turkey, 1 - 04 August 2013, pp.1077

Determination of boron in bottled mineral water samples in Turkey

KÖSEOĞLU P., KOLAK U.
Euroanalysis, Poland, 1 - 04 August 2013, pp.629

Phytochemical and biological investigations on Cirsium leucopsis

Boğa M., Köseoğlu P., Kolak U.
IUPAC 2013, İstanbul, Turkey, 1 - 04 August 2013, pp.971

Fatty acid and essential oil compositions and biological activity of Hypericum capitatum var. capitatum

Boğa M., Ertaş A., KOLAK U., Topçu G., Gören A. C., YEŞİL Y.
IUPAC 2013, Turkey, 1 - 04 August 2013, pp.696

Phytochemical investigation of Sideritis albiflora with antioxidant activity

Topçu G., Ertaş A., Boğa M., Dinçel D., KOLAK U.
IUPAC 2013, Turkey, 1 - 04 August 2013, pp.1059

Antioxidant, anticholinesterase, antimicrobial activities and fatty acid components of endemic Achillea cappadocica

Ertaş A., Boğa M., Deveci Ö., Haşimi N., YEŞİL Y., Topçu G., et al.
The 5th Eurasia Congress of Infectious Diseases (EACID), Tirana, Albania, 15 - 18 May 2013, pp.151

Investigations of mutagenic and antimutagenic properties of some extracts of Ajuga vestita Boiss. By Salmonella/microsome mutagenicity

Haşimi N., Tolan V., KOLAK U.
8. Uluslararası Katılımlı Türk Toksikoloji Derneği Kongresi, Antalya, Turkey, 1 - 04 November 2012, pp.63

Determination of total aflatoxin and aflatoxin B1 using CD-ELISA method in food samples from Turkey

Hacıbekiroğlu I., KOLAK U.
7th Conference of the World Mycotoxin Forum and XIIIth IUPAC International Symposium on Mycotoxins and Phycotoxins, Netherlands, 1 - 04 November 2012, pp.175-176

Iris albicans L. bitkisinden hazırlanan ekstrelerin antioksidan ve antikolinesteraz aktivitelerinin araştırılması

Hacıbekiroğlu I., KOLAK U.
VI. Ulusal Analitik Kimya Kongresi, Hatay, Turkey, 1 - 04 September 2012, pp.197

Türk kahvesinin antioksidan ve antikolinesteraz aktivitelerinin belirlenmesi

KÖSEOĞLU P., Hacıbekiroğlu I., KOLAK U.
VI. Ulusal Analitik Kimya Kongresi, Hatay, Turkey, 1 - 04 September 2012, pp.282

Phytochemical and biological investigations on Mentha longifolia subsp noena

Ertas A., Goren A. C., Hasimi N., Tolan V., Kolak U.
International Congress on Natural Products Research on Global Change, Natural Products and Human Health/8th Joint Meeting of AFERP, ASP, GA, PSE and SIF, New-York, United States Of America, 28 July - 01 August 2012, vol.78, pp.1171 identifier

Antioxidant and anticholinesterase constituents from the petroleum ether and chloroform extracts of Iris suaveolens

Hacıbekiroğlu I., KOLAK U.
New Challenges in Natural Products Chemistry, Turkey, 1 - 04 September 2011, pp.79 Sustainable Development

Antioxidant activity of Salvia heldreichiana Boiss. Ex Bentham’s extracts

Çulhaoğlu B., Sındırgılı B., Başkan T., KOLAK U., Topçu G.
New Challenges in Natural Products Chemistry, Turkey, 1 - 04 September 2011, pp.94

Antioxidant and anti-Alzheimer activities of Bloom extracts of bilberry (Vaccinium myrtillus)

Hacıbekiroğlu I., Boğa M., Haşimi N., Ertaş A., KOLAK U.
New Challenges in Natural Products Chemistry, Turkey, 1 - 04 September 2011, pp.81 Sustainable Development

Indole alkaloids from Vinca species growing in Turkey

Boğa M., Bahadori F., Kartal M., KOLAK U., Topçu G.
New Challenges in Natural Products Chemistry, Turkey, 1 - 04 September 2011, pp.78

Phytochemical investigation of Leontice leontopetalum L. subsp. ewersmannii with antioxidant and anticholinesterase activities

KOLAK U., Hacıbekiroğlu I., Boğa M., Özgökçe F., Ünal M., Choudhary M. I., et al.
1st International Symposium on Secondary Metabolites: Chemical, Biological and Biotechnological Properties, Turkey, 1 - 04 September 2011, pp.93

Melengiç (Pistacia terebinthus L.) Kahvesinin Antioksidan Etkisinin Tayini

Boğa M., KOLAK U., Ertaş A., Hacıbekiroğlu I., Toplu C.
5. Ulusal Analitik Kimya Kongresi, Erzurum, Turkey, 1 - 04 June 2011, pp.188

On Bir Bitkinin Antioksidan ve Antikolinesteraz Aktivitelerinin Tayini

KOLAK U., Boğa M., Hacıbekiroğlu I.
5. Ulusal Analitik Kimya Kongresi, Erzurum, Turkey, 1 - 04 June 2011, pp.135

Cirsium creticum, C. eriophorum ve C. hypoleucum bitkilerinin antioksidan ve antikolinesteraz aktivitelerinin tayini

KÖSEOĞLU P., Boğa M., KOLAK U.
XII. Ulusal Spektroskopi Kongresi, Antalya, Turkey, 1 - 04 May 2011, pp.73

Plantago major subsp. intermedia bitkisinden elde edilen bileşiklerin yapı tayini, antioksidan ve antikolinesteraz aktivitelerinin belirlenmesi

KOLAK U., Boğa M., Akalın Uruşak E.
XII. Ulusal Spektroskopi Kongresi, Antalya, Turkey, 1 - 04 May 2011, pp.70

Cholinesterase inhibitory activity of a series of Salvia species

Öztürk M., Boğa M., Dinçel D., Hatipoğlu S. D., Bahadori F., KOLAK U., et al.
Third International Meeting on Pharmacy and Pharmaceutical Sciences, Turkey, 1 - 04 June 2010, pp.181

Antioxidant activity potential of six Salvia species with total phenolic and flavonoid content

Boğa M., Öztürk M., Bahadori F., KOLAK U., Topçu G.
Third International Meeting on Pharmacy and Pharmaceutical Sciences, Turkey, 1 - 04 June 2010, pp.172

Bioactive constituents of Salvia triloba

Topçu G., Barla A., Kuşman T., Öztürk M., Boğa M., KOLAK U.
Third International Meeting on Pharmacy and Pharmaceutical Sciences, Turkey, 1 - 04 June 2010, pp.182

Bazı Salvia türlerinden elde edilen antioksidan bileşikler

Öztürk M., Boğa M., Bahadori F., Hatipoğlu S. D., Hacıbekiroğlu I., Yapar G., et al.
23. Ulusal Kimya Kongresi, Sivas, Turkey, 1 - 04 June 2009, pp.555

Iris suaveolens’ten elde edilen bileşiklerin yapı tayini ve antioksidan aktivitelerinin belirlenmesi

Hacıbekiroğlu I., KOLAK U.
XI. Ulusal Spektroskopi Kongresi, Ankara, Turkey, 1 - 04 June 2009, pp.17

Salvia poculata bitkisinden elde edilen bileşiklerin yapı tayini

KOLAK U., Hacıbekiroğlu I., Özgökçe F., Topçu G., Ulubelen A.
XI. Ulusal Spektroskopi Kongresi, Ankara, Turkey, 1 - 04 June 2009, pp.101

Chemical and Biological Studies with an Aconitum and a Delphinium Species

Ulubelen A., Kolak U.
9th Eurasia Conference on Chemical Sciences, Antalya, Turkey, 9 - 13 September 2006, pp.39-49 identifier

Türkiye’de yetişen Vinca türlerinin antioksidan aktivitelerinin tayini

Boğa M., KOLAK U., Öztürk M., Topçu G.
XXII. Ulusal Kimya Kongresi, Gazimagusa, Cyprus (Kktc), 1 - 04 October 2008, pp.67

Vinca herbacea bitkisinin biyoaktif indol alkaloitleri

Topçu G., Boğa M., KOLAK U., Kartal M.
XXII. Ulusal Kimya Kongresi, Gazimagusa, Cyprus (Kktc), 1 - 04 October 2008, pp.1

Structure elucidation of novel alkaloids by 1- and 2-D NMR experiments

KOLAK U., Türkekul A., Özgökçe F., Ulubelen A.
Small Molecule NMR Conference, France, 1 - 04 September 2007, pp.33

Campanula tomentosa Lam. bitkisinin antioksidan tayini

KOLAK U., Boğa M., Alçıtepe E.
XXI. Ulusal Kimya Kongresi, Malatya, Turkey, 1 - 04 August 2007, pp.565

Üç Trifolium türünün yağ asidi ve bazı lipid bileşiklerinin GC-MS analizi

Sabudak T., Gören A. C., Öztürk M., KOLAK U.
XXI. Ulusal Kimya Kongresi, Malatya, Turkey, 1 - 04 August 2007, pp.560

Campanula lyrata subsp. lyrata Lam. bitkisinin topraküstü kısımlarının antioksidan tayini

Boğa M., Alçıtepe E., KOLAK U.
XXI. Ulusal Kimya Kongresi, Malatya, Turkey, 1 - 04 August 2007, pp.500

Adamotu (Mandragora autumnalis) kökünün antioksidan ve antikolinesterazaktiviteleri açısından değerlendirilmesi

Öztürk M., Boğa M., KOLAK U., Aydoğmuş Öztürk F.
XXI. Ulusal Kimya Kongresi, Malatya, Turkey, 1 - 04 August 2007, pp.525

Erica arborea özütlerinin sekonder metabolitleri ve antioksidan etkinliğinin incelenmesi

Ay M., Bahadori F., Öztürk M., KOLAK U., Topçu G.
XX. Ulusal Kimya Kongresi, Kayseri, Turkey, 1 - 04 September 2006, pp.452

Structure elucidation of a new rearranged abietane diterpene using spectral and semi-empirical/DFT calculation methods

KOLAK U., Topçu G., Balcı K., Ulubelen A.
XXVIII European Congress On Molecular Spectroscopy, Turkey, 1 - 04 September 2006, pp.205

Lavandula angustifolia bitkisinin doku kültüründen elde edilen bileşiklerin GC-MS analizi

Topçu G., Herrmann G., KOLAK U., Gören A. C., Kutchan T. M., Zenk M. H.
XVIII. Ulusal Kimya Kongresi, Kars, Turkey, 1 - 04 July 2004, pp.136

Erica arborea (Funda) bitkisinin fitokimyasal incelenmesi

Bahadori F., Ay M., KOLAK U., Topçu G.
XVII. Ulusal Kimya Kongresi, İstanbul, Turkey, 1 - 04 September 2003, pp.583

Salvia pilifera bitkisinden elde edilen terpenoit bileşiklerin yapı tayini

KOLAK U.
XVI. Ulusal Kimya Kongresi, Konya, Turkey, 1 - 04 September 2002, pp.752

The investigation of vascular effects of salvigenin on isolated rat aorta

Özdemir O., Takır S., Uydeş Doğan B. S., KOLAK U., Topçu G.
Pharmacy and Pharmaceutical Sciences World Congress, 62nd Congress of FIP, France, 1 - 04 August 2002, pp.37

Salvia eriophora bitkisinden elde edilen diterpenlerin yapı tayini

Ulubelen A., KOLAK U., Öksüz S., Topçu G., Birman H., Voelter W.
XV. Ulusal Kimya Kongresi, İstanbul, Turkey, 1 - 04 September 2001, pp.36

Salvia türlerinden elde edilen aktif bileşikler

Ulubelen A., Öksüz S., KOLAK U., Bozok-Johansson C., Birman H.
XIII. Bitkisel İlaç Hammaddeleri Toplantısı, İstanbul, Turkey, 1 - 04 September 2000, pp.40-53

Constituents of Delphinium uncinatum

KOLAK U., Ulusoylu M.
Second Balkan Botanical Congress, Turkey, 1 - 04 May 2000, pp.136

Terpenoids and Glycosides in Natural and Cultured Salvia amplexicaulis

ARI Ş., KOLAK U., Şahin Hasançebi S., Ulubelen A.
Second Balkan Botanical Congress. Plants of the Balkan Peninsula: into the next millenium, Turkey, 1 - 04 May 2000, pp.201-204

Optimization of Tissue Culture Conditions and the Production of Terpenoids in Salvia amplexicaulis

ARI Ş., KOLAK U., Şahin Hasançebi S., Ulubelen A.
2000 Years of Naturel Products Research-Past, Present, Future, Netherlands, 1 - 04 June 1999, pp.180

Salvia sclarea bitkisinin köklerinden elde edilen diterpenoid bileşikler

Ulubelen A., KOLAK U., Topçu G.
12. Ulusal Kimya Kongresi, Edirne, Turkey, 1 - 04 September 1998, pp.473

Books & Book Chapters

The genus Chenopodium: Phytochemicals and Biological Activities

Köseoğlu Yılmaz P., Kolak U.
in: Studies in Natural Products Chemistry, Atta-ur-Rahman, Editor, Elsevier Science, Oxford/Amsterdam , Amsterdam, pp.437-476, 2024

EczÇEP-Eczacılık Fakülteleri Müfredat Detay Çalışması

Akalın E., Akev N., Erginer Y., Güzeldemirci N., Toker S., Kolak U., et al.
Kapitta Yayıncılık, Ankara, 2017

Labiatae flavonoids and their bioactivity

Ulubelen A., Topçu G., KOLAK U.
in: Studies in Natural Products Chemistry Vol:30, Atta-ur-Rahman, Editor, Elsevier Science, Amsterdam, pp.233-302, 2005

Chemical and biological evaluation of genus Teucrium

Ulubelen A., Topçu G., KOLAK U.
in: Studies in Natural Products Chemistry Vol:23, Atta-ur-Rahman, Editor, Elsevier Science, Amsterdam, pp.591-648, 2000

Metrics

Publication

189

Citation (WoS)

2170

H-Index (WoS)

27

Citation (Scopus)

2562

H-Index (Scopus)

29

Citation (Scholar)

2505

H-Index (Scholar)

30

Project

34

Thesis Advisory

10
UN Sustainable Development Goals