Palynology and Bee Products Analysis Laboratory

About

Research Infrastructure

• GC-MS
• HPLC
• UV Spectrometer
• Computerized Light Microscope
• Light Microscope
• Oven
• Water bath
• Fridge
• Vortex
• Hot Plate
• Centrifuge
• Refractometer
• Micropipettes

Researchers

•    Prof. Dr. Kadriye SORKUN
•    Doç. Dr. Ömür GENÇAY ÇELEMLİ
•    Doç. Dr. Aslı ÖZKÖK
•    Araştırma Görevlisi Dr. Çiğdem ÖZENİRLER (Uygulamalı Biyoloji A.B.D.)
•    Yüksek Lisans Öğrencisi Nazlı MAYDA
•    Doktora Öğrencisi Deniz CANLI
•    Doktora Öğrencisi Fatma GÜZEL
•    Doç. Dr. Cahit DOĞAN

Ongoing Projects

• Atmaca H., Kolaylı S., Özkök A., Takma Ç., Çakıcı N., Güney F., Ese H., Okuyan S., Şahin AE, Kılıçin T., Demir T., Arıgül Apan M., Atmaca Ö.F., Şahin P., Ertuğral H., Aksoy F., Mayda N. Determination of Characterization of Oak and Lavender Honeys Produced in Turkey. Ministry of Agriculture and Forestry, Ordu Apiculture Research Institute, 01.01.2021-30.04.2024.
• Erbaş M., Mutlu C., Özkök A. Determination of Carotenoid Composition and Bioavailability of Honey, Pollen and Propolis, Which Are Produced in Different Regions of Turkey, and Investigation of Some Effects of These Beekeeping Products on Health by In-Vitro Methods. Tubitak 2515-Cost Program, 2019-2021.
• Duru M.E., Özkök A. Investigation and Standardization of Physicochemical Properties, Chemical Contents and Medicinal Activities of High Plateau Honey. Ministry of Agriculture and Forestry, General Directorate of Agricultural Research (TAGEM), 2021-2024.
• Dikmen F., Özenilir C., Eldem V. Investigation of the Expression Trends of Antenna Chemoreceptors at the Genome Level in the Development Process of the Bumble Bee (Bombus terrestris L.). TÜBİTAK Project, 2018-Continuing.
• Özenilir Ç., Dikmen F. Hero Gıda San ve Tic. Inc. Bee Home My Future Project. 2019-2020-Continuing.
• Özenilir Ç (ICARDA). Conservation of pollinator diversity for enhanced climate change resilience. Turkey-Pollinator Expert, 2020-Continued.

Completed Projects

• Sorkun K., Özkök A., Mayda N. Determination of Pollen and Melissopalynological, Chemical and Antioxidant Capacities of Bee Bread. Hacettepe University Scientific Research Unit, Project Number: FHD-2018-16748. 06.03.2018-28.05.2019.
• Özenilir Ç., Gençay Çelemli Ö., Özkök A., Zare G., Mayda N, Sorkun K. Ayder/Geographical Indication of Rize Honey. (NGO), 2018-2019.
• Özenilir Ç., Gençay Çelemli Ö., Zare G., Özkök A., Mayda N, Sorkun K. Melissopalynological and Chemical Properties of Tunceli Honeys. Association (NGO), 2018-2019.
• Güler Y., Sorkun K., Gençay Çelemli Ö., Güzel, P. Determination of Density and Nesting Biology of Red Masonry Bee [Osmia bicornis (L., 1758) (Hym.: Megachilidae)] in Orchards of Ankara and Çankırı Provinces Studies on it. TAGEM, 2014-2019.
• İpek A., Sorkun K., Ülgentürk S., Salih B., Özkirim A., Demirci F., Özkök A., Gençay Çelemli Ö., Schiesser A., ​​Özdemir I., Özenenler Ç., Atakay M., Live D., Güzel F., Kasot A., Duran Z., Mayda N., Genç HE, Özdemir M., Çobanoğlu A., Erdem M., Turna H., Özer G., Karakaya İ., Demirci M. , Kiniş S., Sarı A., Kaynakçı Z., Ceylan İ., Tanrıöver S., Köse H., Cılız N. Origin and Characterization of Gutter Honeys of Spruce, Oak and Cedar. General Directorate of Forestry, Non-Wood Products and Services Department, May 2017-December 2018.
• Özkök A., Karaaslan Ç.İ., Akel H., Vivian D., Vardar N., Güzel F. Use and Validation of Next Generation DNA Sequence Analysis Method in Honey Analysis. General Directorate of Agricultural Research (TAGEM), TAGEM-16/AR-GE/31. 01.09.2016-01.09.2018.
• Gençay Çelemli Ö., Sorkun K., Özkök A., Özenenler Ç., Mayda N. Determination of Total Phenolic Amount of Pollen and Propolis from Bee Products. Hacettepe University Scientific Research Unit, Project Number: FHD-2016-9110.07.06.2016-07.06.2017.
• Özkök A., Karaaslan Ç.İ., Akel H. Determination of Vegetal Origin by DNA Isolation in Honey. Hacettepe University Scientific Research Unit, Project Number: FHD-2015-8179, 12.10.2015-12.10.2016.
• Özcan Ç., Besler H.T., Sorkun K., Kısmet K., Şeneş M., Gençay Çelemli Ö., Çelepli P., Hücümenoğlu S., Evaluation of the Protective and Therapeutic Effects of Propolis in Experimental Nonalcoholic Fatty Liver Disease. TUBITAK, 2015-2016.
• Sorkun K., Çobanoğlu D.N., Gençay Çelemli Ö., Özenenler Ç. Determination of Chemical Content of Honey by GC-MS Analysis. Hacettepe University Scientific Research Coordination Unit, 2014-2016.

Publications

• Keskin M., Özkök A., Effects of drying techniques on chemical composition and volatile constituent of bee pollen. Czech Journal of Food Sciences, 38(4): 203-208, 2020.
• Çilden E., Gençay Çelemli Ö. Minuartia alpuensis (Caryophyllaceae), a new endemic species from inner Anatolia, Turkey. Phytotaxa, 43(1): 79-91, 2020.
• Mayda N., Özkök A., Bayram N.E., Gerçek Y.C., Sorkun K. Bee bread and bee pollen of different plant sources: determination of phenolic content, antioxidant activity, fatty acid and element profiles. Journal of Food Measurement and Characterization, 14: 1795-1809, 2020. DOI 10.1007/s11694-020-00427-y.
• Bakchiche B., Kızılpınar Temizer İ., Güder A., ​​Gençay Çelemli Ö., Çiftçi Yegin S., Bardaweel S.K., Ghareeb M.A. Chemical Composition and Biological Activities of Honeybee Products From Algeria. J. Appl. Biotechnol Rep., 7(2): 93-103, 2020.
• Gençay Çelemli Ö. Palynological characteristics of Jasione species native to Turkey. Palynology, 44: 697-708, 2019. DOI 10.1080/01916122.2019.1691671
• Özkök A. Determination of antioxidant capacities, chemical composition and melissopalynological characterization of Verbascum spp. and Euphorbia spp. honeys Fresenius Environmental Bulletin, 28(4): 2644-2649, 2019.
• Özkirim A., Küçüközmen B., Gençay Çelemli Ö. Impact of sterilization process on chemical composition and antimicrobial activity of propolis. Journal of Apicultural Research, 58: 780-787, 2019.
• Özkök A., İpek A., Sorkun K. The Origin of the Oak honeydew honey produced from Quercus frainetto Ten.. Fresenius Environmental Bulletin, 28(4): 2650-2655, 2019.
• Özkök A., Sorkun K. Some characteristic features of Oak (Quercus frainetto Ten.) honey from Turkey. Fresenius Environmental Bulletin, 27(12): 8359-8366, 2018.
• Özkök A., Özeniyor C., Sorkun K. Classification of Turkish honey by 1H NMR spectroscopy and chemometrics. Fresenius Environmental Bulletin, 27(12): 8328-8339, 2018.
• Özkök A., Çelik Çakıroğulları G., Sorkun K., Gür Yağı H., Alsan İ., Bektaş B., Kılıç D. Dioxin analysis of bee pollen pellets collected by Apis mellifera L. in rural area of ​​Turkey. Journal of Apicultural Science, 62(1): 79-88, 2018. DOI: 10.2478/JAS-2018-0011.
• Özenilir Ç., Bayram N., Çelemli Ö., Çelikbıçak Ö., Sorkun K. Chemical Characterization of Kars Honey. Fresenius Environmental Bulletin, 27(3):1889-1895, 2018.
• Kızılpınar Temizer İ., Gençay Çelemli Ö., Zare G., Sorkun K. The Anatomical and Palynological Features of Scree Plant Heldreichia rotundifolia Boiss. (Brassicaceae) Endemic To Turkey. Fresenius Environmental Bulletin, 27(1): 236-240, 2018.
• Akbay E., Özenilir C., Gençay Çelemli Ö., Durukan AB., Onur M.A., Sorkun K. Effects of propolis on warfarin efficacy. Experimental Cardiovascular and Lung Research, 14(1): 35-43, 2017.
• Kısmet K., Özcan Ç., Kuru S., Gençay Çelemli Ö., Çelepli P., Senes M., Güçlü T., Sorkun K., Hücümenoğlu S., Besler T. Does propolis have any effect on non-alcoholic fatty liver disease? Biomedicine & Pharmacotherapy, 90: 863-871, 2017.
• Kızılpınar Temizer İ., Güder A., ​​Türkmen Z., Gençay Çelemli Ö. Gas Chromatography and Mass Spectrometry Analysis, Chemical Contents and Antioxidant Properties of Onobrychis spp. (Fabaceae) Pollen Collected by Honeybees. Fresenius Environmental Bulletin, 26(1a): 962-968, 2017.
• Gençay Çelemli Ö., Özençiler Ç., Bayram E.N., Zare G., Sorkun K. Melissopalynological Analysis for Geographical Marking of Kars Honey. Kafkas Univ Journal of Vet Fak., 24(1): 53-59, 2017.
• Bilgin G., Kismet K., Kuru S., Kaya F., Senes M., Bayrakceken Y., Yumusak N., Celikkan FT, Erdemli E., Gençay Celemli Ö., Sorkun K., Koca G. Ultrastructural investigation of the protective effects of propolis on bleomycin induced pulmonary fibrosis. Biotechnic & Histochemistry, 91(3): 195-203, 2016. DOI: 10.3109/10520295.2015.1123294.
B. Articles Published in Other Journals
• Keskin M., Özkök A. “α-Amylase inhibition properties of bee pollen and bee bread (Perga)”. Hacettepe Journal of Biology and Chemistry, 48(4): 389-393, 2020.
• Keskin Ş., Mayda N., Keskin M., Özkök A. Evaluation of Bilecik honeys in terms of melissopalynological and chemical properties. GIDA/The Journal of Food, 45(2): 275-289, 2020. DOI: 10.15237/gida.GD19107.
• Doğan İ., Özkök A. An overview of beekeeping activity in Turkey from a legal perspective. Uludag Bee Journal, 19(2): 177-187, 2019. DOI: https://doi.org/10.31467/uluaricilik.596232.
• Keskin M., Keskin S., Mayda N., Özkök A. Determination of biochemical profile of Bilecik propolis. Hacettepe Journal of Biology and Chemistry, 47(4): 403-409, 2019. DOI: https://doi.org/10.15671/hjbc.593940.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., A. Özkök, Sorkun K. Botanic origin detection and microscopic analysis of packaged honeys: comparison of content with label information. GIDA/The Journal of Food, 44(5): 861-865, 2019. DOI: 10.15237/gida.GD19058.
• Mayda N., Keskin M., Keskin Ş., Özkök A. Determination of botanic origins, total phenolic and flavonoid contents of bee pollen collected from the Bilecik Province. Uludag Bee Journal, 19(2): 152-160, 2019. DOI: https://doi.org/10.31467/uluaricilik.605692.
• Gürbüz S., Özeniyor C., Mayda N., Gençay Çelemli Ö., Özkök A. Pollen spectrum of some honey samples produced in Siirt-Turkey. Hacettepe Journal of Biology and Chemistry, 47(3): 295-303, 2019. DOI: https://doi.org/10.15671/hjbc.532279.
• Gençay Çelemli Ö., Gürbüz S., Özençiler Ç., Mayda N., Özkök A., Sorkun K. Melissopalnological analysis of honey samples collected from Şırnak City. Uludag Bee Journal, 19(2): 126-135, 2019. DOI: https://doi.org/10.31467/uluaricilik.540024.
• Malkoç M., Kara Y., Özkök A., Ertürk Ö., Kolaylı S. Characteristic properties of Jerusalem Thorn (Paliurus spina-christi Mill.) honey. Uludag Bee Journal, 19(1): 69-81, 2019. DOI: https://doi.org/10.31467/uluaricilik.535658.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., Özkök A., Sorkun K. Evaluating honey bee products as an indicator of managed pollination studies: a case study about Allium cepa L.. Communications Faculty of Sciences University of Ankara Series A: Biology, 27(2): 115-119, 2018. DOI: 10.1501/commuc_0000000205.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., Özkök A., Sorkun K. Dandelion honey: a new monofloral honey record for Turkey. Uludag Bee Journal, 18(2): 87-93, 2018. DOI: 10.31467/uluaricilik.485024.
• Özkök A., Özeniyor C., Yavaş D., Mayda N., Sorkun K. Monofloral features of Turkish honeys according to melissopalynologic, total phenolic acid and total flavonoid content. Gazi University Journal of Science, 31(3): 713-723, 2018.
• Özkök A., Yüksel D., Sorkun K. Chemometric evaluation of the geographical origin of Turkish pine honey. Food and Health, 4(4): 274-282, 2018. DOI: 10.3153/FH18027.
• Mayda N., Özkök A., Sorkun K. Some characteristic properties of Chestnut and Rhododendron honeys in Turkey. Hacettepe Journal of Biology and Chemistry, 46(1): 135-145, 2018. DOI: 10.15671/HJBC.2018.223.
• Erdem B., Özkök A. Can food supplement produced from Apilarnil bee an alternative to testosterone replacement therapy? Hacettepe Journal of Biology and Chemistry, 45(4): 635-638, 2017. DOI: 10.15671/HJBC.2018.207.
• Özkök A., Sorkun K., Çelik Çakıroğulları G., Gür Yağı H., Alsan İ., Bektaş B., Kılıç D. Dioxin analysis in pine honey from Turkey. Acta Biologica Szegediensis, 61(1): 69-75, 2017.
• Özkök A., Koru Ö., Sorkun K. Microbiological analysis and antibacterial effects of Turkish Thyme honey. Bee World, 93(4): 98-101, 2016. DOI: 10.1080/0005772X.2016.1275489.
• Özkök A., Sorkun K. Pollen morphology of Opium Poppy (Papaver somniferum L.) pollen collected by honeybees and honeybees tendency to Opium Poppy flowers. Mellifera, 16(2): 55-60, 2016.
• Özkök A., Sorkun K., Salih B. The microscopic and GC-MS analysis of Turkish honeydew (Pine) honey. Hacettepe Journal of Biology and Chemistry, 44(4): 375-383, 2016. DOI: 10.15671/HJBC.2016.117
• Özkök A., Sorkun K., Salih B. The chemical analysis of propolis, which are produced in Western of Turkey. Hacettepe Journal of Biology and Chemistry, 44(3): 317-328, 2016. DOI: 10.15671/HJBC.20164420575
• Güler Y., Özkök A. Encountered pollen in nests two Osmia species (Hym.: Megachilidae) from Sweet Cherry Orchards in Sultandağı Town (Afyonkarahisar, Turkey). Hacettepe Journal of Biology and Chemistry, 44(1): 15-19, 2016. DOI: 10.15671/HJBC.20164417561.
• Özenilir Ç., Dikmen F., Töre D., Sorkun K., Aytekin A.M. Architecture of a Modified Nest of Bombus (Megabombus) argillaceus (Scopoli, 1805) (Hymenopera: Apidae) from Southern Turkey with a Special Emphasis on Its Foraging Plants. Entomological News, 3: 319-326, 2020.
• Özenilir Ç., Sorkun K. Observations on the foraging behavior of commercial Bombus terrestris L. and Apis mellifera L. colonies on some cultivars of Carthamus tinctorius L. in caged conditions. Communications Faculty of Sciences University of Ankara Series C: Biology, 27: 273-282, 2018.
• Dabak T., Özenilir Ç. Using Commercial Bumblebees in The Pollination of Field Grown Tomatoes A Case Study: Caged Tomatoes in Open Fields. Mellifera, 18: 15-21, 2018.
• Özenilir Ç., Gençay Çelemli Ö., Mayda, N., Sorkun, K. A New Record for Propolis Substitute: Pruning Sealer. Mellifera, 18: 36-39, 2018.
• Gençay Çelemli Ö., Barkan N.P., Özenenler Ç., Özel Demiralp F.D., Sorkun K. Protein Analysis of Anzer Bee Pollen by Bradford Method. Mellifera, 17: 21-32, 2017.
• Özenilir Ç., Gençay Çelemli Ö., Bayram N., Dikmen F., Zare G., Çelikbiçak Ö., Sorkun K. Physicochemical and Playnological Characterization of the Onobrychis Miller (Fabaceae) Honey, Gazi University Journal of Science, 32( 1): 63-76, 2019.
• Gençay Çelemli Ö., Kızılpınar Temizer İ., Zare G., Sorkun K. Castanea sativa; A source of Turkish Propolis: Plant Anatomy, Palynology and Chemistry. Hacettepe Journal of Biology and Chemistry, 44(1): 7-14, 2016.
• Gençay Çelemli Ö., Barkan N.P., Özenenler Ç., Demiralp Ö.D., Sorkun K. Protein Analysis of Anzer Bee Pollen by Bradford Method. Mellifera, 17(1): 21-32, 2017.
• Kızılpınar Temizer İ., Güder A., ​​Gençay Çelemli Ö. Botanic origin and antioxidant activities of a Propolis from Irano-Turanian region as Nutritional Supplements, Istanbul J Pharm., 47(3): 107-111, 2017.
• Gençay Çelemli Ö., Atakay M., Sorkun K. The correlation between botanical source and the biologically active compounds of propolis. Istanbul J Pharm., 49(2): 81-87, 2019.
• Çelemli Gençay Ö. Classification of Turkish Honeys from Aydın-Karacasu-Dikmen village Based on Melissopalynological parameters. Communications Faculty of Sciences University of Ankara Series C: Biology, 29(1): 105-118, 2020.
• Gençay Çelemli Ö., Sorkun K. History of Melissopalynological Methods, Communications Faculty of Sciences University of Ankara Series C: Biology, 27(2): 88-92, 2018.
• Özkök A. Bee Products Bee Bread and Apilarnil, Fun Science. Atılım University Journal of Popular Science, 19, 3-6 February 2016.
• Özkök A. (Editor). Fast Growing Sector in Turkey: An Overview of Bee Products. Hacettepe Publications, Palme Publishing House, Ankara, 2018.
• Özkök A. Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-2-Bee Products-I, pp. 11-71. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.
• Özkök A. Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-4-Apitherapy, pp. 115-117. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.
• Özkök A., Gençay Çelemli Ö., Özençiler Ç., Mayda N. The Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-6-Nectar-Containing Plants Important for Beekeeping in Turkey, pp. 141-203. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.

Links

About

Research Infrastructure

• GC-MS
• HPLC
• UV Spectrometer
• Computerized Light Microscope
• Light Microscope
• Oven
• Water bath
• Fridge
• Vortex
• Hot Plate
• Centrifuge
• Refractometer
• Micropipettes

Researchers

•    Prof. Dr. Kadriye SORKUN
•    Doç. Dr. Ömür GENÇAY ÇELEMLİ
•    Doç. Dr. Aslı ÖZKÖK
•    Araştırma Görevlisi Dr. Çiğdem ÖZENİRLER (Uygulamalı Biyoloji A.B.D.)
•    Yüksek Lisans Öğrencisi Nazlı MAYDA
•    Doktora Öğrencisi Deniz CANLI
•    Doktora Öğrencisi Fatma GÜZEL
•    Doç. Dr. Cahit DOĞAN

Ongoing Projects

• Atmaca H., Kolaylı S., Özkök A., Takma Ç., Çakıcı N., Güney F., Ese H., Okuyan S., Şahin AE, Kılıçin T., Demir T., Arıgül Apan M., Atmaca Ö.F., Şahin P., Ertuğral H., Aksoy F., Mayda N. Determination of Characterization of Oak and Lavender Honeys Produced in Turkey. Ministry of Agriculture and Forestry, Ordu Apiculture Research Institute, 01.01.2021-30.04.2024.
• Erbaş M., Mutlu C., Özkök A. Determination of Carotenoid Composition and Bioavailability of Honey, Pollen and Propolis, Which Are Produced in Different Regions of Turkey, and Investigation of Some Effects of These Beekeeping Products on Health by In-Vitro Methods. Tubitak 2515-Cost Program, 2019-2021.
• Duru M.E., Özkök A. Investigation and Standardization of Physicochemical Properties, Chemical Contents and Medicinal Activities of High Plateau Honey. Ministry of Agriculture and Forestry, General Directorate of Agricultural Research (TAGEM), 2021-2024.
• Dikmen F., Özenilir C., Eldem V. Investigation of the Expression Trends of Antenna Chemoreceptors at the Genome Level in the Development Process of the Bumble Bee (Bombus terrestris L.). TÜBİTAK Project, 2018-Continuing.
• Özenilir Ç., Dikmen F. Hero Gıda San ve Tic. Inc. Bee Home My Future Project. 2019-2020-Continuing.
• Özenilir Ç (ICARDA). Conservation of pollinator diversity for enhanced climate change resilience. Turkey-Pollinator Expert, 2020-Continued.

Completed Projects

• Sorkun K., Özkök A., Mayda N. Determination of Pollen and Melissopalynological, Chemical and Antioxidant Capacities of Bee Bread. Hacettepe University Scientific Research Unit, Project Number: FHD-2018-16748. 06.03.2018-28.05.2019.
• Özenilir Ç., Gençay Çelemli Ö., Özkök A., Zare G., Mayda N, Sorkun K. Ayder/Geographical Indication of Rize Honey. (NGO), 2018-2019.
• Özenilir Ç., Gençay Çelemli Ö., Zare G., Özkök A., Mayda N, Sorkun K. Melissopalynological and Chemical Properties of Tunceli Honeys. Association (NGO), 2018-2019.
• Güler Y., Sorkun K., Gençay Çelemli Ö., Güzel, P. Determination of Density and Nesting Biology of Red Masonry Bee [Osmia bicornis (L., 1758) (Hym.: Megachilidae)] in Orchards of Ankara and Çankırı Provinces Studies on it. TAGEM, 2014-2019.
• İpek A., Sorkun K., Ülgentürk S., Salih B., Özkirim A., Demirci F., Özkök A., Gençay Çelemli Ö., Schiesser A., ​​Özdemir I., Özenenler Ç., Atakay M., Live D., Güzel F., Kasot A., Duran Z., Mayda N., Genç HE, Özdemir M., Çobanoğlu A., Erdem M., Turna H., Özer G., Karakaya İ., Demirci M. , Kiniş S., Sarı A., Kaynakçı Z., Ceylan İ., Tanrıöver S., Köse H., Cılız N. Origin and Characterization of Gutter Honeys of Spruce, Oak and Cedar. General Directorate of Forestry, Non-Wood Products and Services Department, May 2017-December 2018.
• Özkök A., Karaaslan Ç.İ., Akel H., Vivian D., Vardar N., Güzel F. Use and Validation of Next Generation DNA Sequence Analysis Method in Honey Analysis. General Directorate of Agricultural Research (TAGEM), TAGEM-16/AR-GE/31. 01.09.2016-01.09.2018.
• Gençay Çelemli Ö., Sorkun K., Özkök A., Özenenler Ç., Mayda N. Determination of Total Phenolic Amount of Pollen and Propolis from Bee Products. Hacettepe University Scientific Research Unit, Project Number: FHD-2016-9110.07.06.2016-07.06.2017.
• Özkök A., Karaaslan Ç.İ., Akel H. Determination of Vegetal Origin by DNA Isolation in Honey. Hacettepe University Scientific Research Unit, Project Number: FHD-2015-8179, 12.10.2015-12.10.2016.
• Özcan Ç., Besler H.T., Sorkun K., Kısmet K., Şeneş M., Gençay Çelemli Ö., Çelepli P., Hücümenoğlu S., Evaluation of the Protective and Therapeutic Effects of Propolis in Experimental Nonalcoholic Fatty Liver Disease. TUBITAK, 2015-2016.
• Sorkun K., Çobanoğlu D.N., Gençay Çelemli Ö., Özenenler Ç. Determination of Chemical Content of Honey by GC-MS Analysis. Hacettepe University Scientific Research Coordination Unit, 2014-2016.

Publications

• Keskin M., Özkök A., Effects of drying techniques on chemical composition and volatile constituent of bee pollen. Czech Journal of Food Sciences, 38(4): 203-208, 2020.
• Çilden E., Gençay Çelemli Ö. Minuartia alpuensis (Caryophyllaceae), a new endemic species from inner Anatolia, Turkey. Phytotaxa, 43(1): 79-91, 2020.
• Mayda N., Özkök A., Bayram N.E., Gerçek Y.C., Sorkun K. Bee bread and bee pollen of different plant sources: determination of phenolic content, antioxidant activity, fatty acid and element profiles. Journal of Food Measurement and Characterization, 14: 1795-1809, 2020. DOI 10.1007/s11694-020-00427-y.
• Bakchiche B., Kızılpınar Temizer İ., Güder A., ​​Gençay Çelemli Ö., Çiftçi Yegin S., Bardaweel S.K., Ghareeb M.A. Chemical Composition and Biological Activities of Honeybee Products From Algeria. J. Appl. Biotechnol Rep., 7(2): 93-103, 2020.
• Gençay Çelemli Ö. Palynological characteristics of Jasione species native to Turkey. Palynology, 44: 697-708, 2019. DOI 10.1080/01916122.2019.1691671
• Özkök A. Determination of antioxidant capacities, chemical composition and melissopalynological characterization of Verbascum spp. and Euphorbia spp. honeys Fresenius Environmental Bulletin, 28(4): 2644-2649, 2019.
• Özkirim A., Küçüközmen B., Gençay Çelemli Ö. Impact of sterilization process on chemical composition and antimicrobial activity of propolis. Journal of Apicultural Research, 58: 780-787, 2019.
• Özkök A., İpek A., Sorkun K. The Origin of the Oak honeydew honey produced from Quercus frainetto Ten.. Fresenius Environmental Bulletin, 28(4): 2650-2655, 2019.
• Özkök A., Sorkun K. Some characteristic features of Oak (Quercus frainetto Ten.) honey from Turkey. Fresenius Environmental Bulletin, 27(12): 8359-8366, 2018.
• Özkök A., Özeniyor C., Sorkun K. Classification of Turkish honey by 1H NMR spectroscopy and chemometrics. Fresenius Environmental Bulletin, 27(12): 8328-8339, 2018.
• Özkök A., Çelik Çakıroğulları G., Sorkun K., Gür Yağı H., Alsan İ., Bektaş B., Kılıç D. Dioxin analysis of bee pollen pellets collected by Apis mellifera L. in rural area of ​​Turkey. Journal of Apicultural Science, 62(1): 79-88, 2018. DOI: 10.2478/JAS-2018-0011.
• Özenilir Ç., Bayram N., Çelemli Ö., Çelikbıçak Ö., Sorkun K. Chemical Characterization of Kars Honey. Fresenius Environmental Bulletin, 27(3):1889-1895, 2018.
• Kızılpınar Temizer İ., Gençay Çelemli Ö., Zare G., Sorkun K. The Anatomical and Palynological Features of Scree Plant Heldreichia rotundifolia Boiss. (Brassicaceae) Endemic To Turkey. Fresenius Environmental Bulletin, 27(1): 236-240, 2018.
• Akbay E., Özenilir C., Gençay Çelemli Ö., Durukan AB., Onur M.A., Sorkun K. Effects of propolis on warfarin efficacy. Experimental Cardiovascular and Lung Research, 14(1): 35-43, 2017.
• Kısmet K., Özcan Ç., Kuru S., Gençay Çelemli Ö., Çelepli P., Senes M., Güçlü T., Sorkun K., Hücümenoğlu S., Besler T. Does propolis have any effect on non-alcoholic fatty liver disease? Biomedicine & Pharmacotherapy, 90: 863-871, 2017.
• Kızılpınar Temizer İ., Güder A., ​​Türkmen Z., Gençay Çelemli Ö. Gas Chromatography and Mass Spectrometry Analysis, Chemical Contents and Antioxidant Properties of Onobrychis spp. (Fabaceae) Pollen Collected by Honeybees. Fresenius Environmental Bulletin, 26(1a): 962-968, 2017.
• Gençay Çelemli Ö., Özençiler Ç., Bayram E.N., Zare G., Sorkun K. Melissopalynological Analysis for Geographical Marking of Kars Honey. Kafkas Univ Journal of Vet Fak., 24(1): 53-59, 2017.
• Bilgin G., Kismet K., Kuru S., Kaya F., Senes M., Bayrakceken Y., Yumusak N., Celikkan FT, Erdemli E., Gençay Celemli Ö., Sorkun K., Koca G. Ultrastructural investigation of the protective effects of propolis on bleomycin induced pulmonary fibrosis. Biotechnic & Histochemistry, 91(3): 195-203, 2016. DOI: 10.3109/10520295.2015.1123294.
B. Articles Published in Other Journals
• Keskin M., Özkök A. “α-Amylase inhibition properties of bee pollen and bee bread (Perga)”. Hacettepe Journal of Biology and Chemistry, 48(4): 389-393, 2020.
• Keskin Ş., Mayda N., Keskin M., Özkök A. Evaluation of Bilecik honeys in terms of melissopalynological and chemical properties. GIDA/The Journal of Food, 45(2): 275-289, 2020. DOI: 10.15237/gida.GD19107.
• Doğan İ., Özkök A. An overview of beekeeping activity in Turkey from a legal perspective. Uludag Bee Journal, 19(2): 177-187, 2019. DOI: https://doi.org/10.31467/uluaricilik.596232.
• Keskin M., Keskin S., Mayda N., Özkök A. Determination of biochemical profile of Bilecik propolis. Hacettepe Journal of Biology and Chemistry, 47(4): 403-409, 2019. DOI: https://doi.org/10.15671/hjbc.593940.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., A. Özkök, Sorkun K. Botanic origin detection and microscopic analysis of packaged honeys: comparison of content with label information. GIDA/The Journal of Food, 44(5): 861-865, 2019. DOI: 10.15237/gida.GD19058.
• Mayda N., Keskin M., Keskin Ş., Özkök A. Determination of botanic origins, total phenolic and flavonoid contents of bee pollen collected from the Bilecik Province. Uludag Bee Journal, 19(2): 152-160, 2019. DOI: https://doi.org/10.31467/uluaricilik.605692.
• Gürbüz S., Özeniyor C., Mayda N., Gençay Çelemli Ö., Özkök A. Pollen spectrum of some honey samples produced in Siirt-Turkey. Hacettepe Journal of Biology and Chemistry, 47(3): 295-303, 2019. DOI: https://doi.org/10.15671/hjbc.532279.
• Gençay Çelemli Ö., Gürbüz S., Özençiler Ç., Mayda N., Özkök A., Sorkun K. Melissopalnological analysis of honey samples collected from Şırnak City. Uludag Bee Journal, 19(2): 126-135, 2019. DOI: https://doi.org/10.31467/uluaricilik.540024.
• Malkoç M., Kara Y., Özkök A., Ertürk Ö., Kolaylı S. Characteristic properties of Jerusalem Thorn (Paliurus spina-christi Mill.) honey. Uludag Bee Journal, 19(1): 69-81, 2019. DOI: https://doi.org/10.31467/uluaricilik.535658.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., Özkök A., Sorkun K. Evaluating honey bee products as an indicator of managed pollination studies: a case study about Allium cepa L.. Communications Faculty of Sciences University of Ankara Series A: Biology, 27(2): 115-119, 2018. DOI: 10.1501/commuc_0000000205.
• Özenilir Ç., Mayda N., Gençay Çelemli Ö., Özkök A., Sorkun K. Dandelion honey: a new monofloral honey record for Turkey. Uludag Bee Journal, 18(2): 87-93, 2018. DOI: 10.31467/uluaricilik.485024.
• Özkök A., Özeniyor C., Yavaş D., Mayda N., Sorkun K. Monofloral features of Turkish honeys according to melissopalynologic, total phenolic acid and total flavonoid content. Gazi University Journal of Science, 31(3): 713-723, 2018.
• Özkök A., Yüksel D., Sorkun K. Chemometric evaluation of the geographical origin of Turkish pine honey. Food and Health, 4(4): 274-282, 2018. DOI: 10.3153/FH18027.
• Mayda N., Özkök A., Sorkun K. Some characteristic properties of Chestnut and Rhododendron honeys in Turkey. Hacettepe Journal of Biology and Chemistry, 46(1): 135-145, 2018. DOI: 10.15671/HJBC.2018.223.
• Erdem B., Özkök A. Can food supplement produced from Apilarnil bee an alternative to testosterone replacement therapy? Hacettepe Journal of Biology and Chemistry, 45(4): 635-638, 2017. DOI: 10.15671/HJBC.2018.207.
• Özkök A., Sorkun K., Çelik Çakıroğulları G., Gür Yağı H., Alsan İ., Bektaş B., Kılıç D. Dioxin analysis in pine honey from Turkey. Acta Biologica Szegediensis, 61(1): 69-75, 2017.
• Özkök A., Koru Ö., Sorkun K. Microbiological analysis and antibacterial effects of Turkish Thyme honey. Bee World, 93(4): 98-101, 2016. DOI: 10.1080/0005772X.2016.1275489.
• Özkök A., Sorkun K. Pollen morphology of Opium Poppy (Papaver somniferum L.) pollen collected by honeybees and honeybees tendency to Opium Poppy flowers. Mellifera, 16(2): 55-60, 2016.
• Özkök A., Sorkun K., Salih B. The microscopic and GC-MS analysis of Turkish honeydew (Pine) honey. Hacettepe Journal of Biology and Chemistry, 44(4): 375-383, 2016. DOI: 10.15671/HJBC.2016.117
• Özkök A., Sorkun K., Salih B. The chemical analysis of propolis, which are produced in Western of Turkey. Hacettepe Journal of Biology and Chemistry, 44(3): 317-328, 2016. DOI: 10.15671/HJBC.20164420575
• Güler Y., Özkök A. Encountered pollen in nests two Osmia species (Hym.: Megachilidae) from Sweet Cherry Orchards in Sultandağı Town (Afyonkarahisar, Turkey). Hacettepe Journal of Biology and Chemistry, 44(1): 15-19, 2016. DOI: 10.15671/HJBC.20164417561.
• Özenilir Ç., Dikmen F., Töre D., Sorkun K., Aytekin A.M. Architecture of a Modified Nest of Bombus (Megabombus) argillaceus (Scopoli, 1805) (Hymenopera: Apidae) from Southern Turkey with a Special Emphasis on Its Foraging Plants. Entomological News, 3: 319-326, 2020.
• Özenilir Ç., Sorkun K. Observations on the foraging behavior of commercial Bombus terrestris L. and Apis mellifera L. colonies on some cultivars of Carthamus tinctorius L. in caged conditions. Communications Faculty of Sciences University of Ankara Series C: Biology, 27: 273-282, 2018.
• Dabak T., Özenilir Ç. Using Commercial Bumblebees in The Pollination of Field Grown Tomatoes A Case Study: Caged Tomatoes in Open Fields. Mellifera, 18: 15-21, 2018.
• Özenilir Ç., Gençay Çelemli Ö., Mayda, N., Sorkun, K. A New Record for Propolis Substitute: Pruning Sealer. Mellifera, 18: 36-39, 2018.
• Gençay Çelemli Ö., Barkan N.P., Özenenler Ç., Özel Demiralp F.D., Sorkun K. Protein Analysis of Anzer Bee Pollen by Bradford Method. Mellifera, 17: 21-32, 2017.
• Özenilir Ç., Gençay Çelemli Ö., Bayram N., Dikmen F., Zare G., Çelikbiçak Ö., Sorkun K. Physicochemical and Playnological Characterization of the Onobrychis Miller (Fabaceae) Honey, Gazi University Journal of Science, 32( 1): 63-76, 2019.
• Gençay Çelemli Ö., Kızılpınar Temizer İ., Zare G., Sorkun K. Castanea sativa; A source of Turkish Propolis: Plant Anatomy, Palynology and Chemistry. Hacettepe Journal of Biology and Chemistry, 44(1): 7-14, 2016.
• Gençay Çelemli Ö., Barkan N.P., Özenenler Ç., Demiralp Ö.D., Sorkun K. Protein Analysis of Anzer Bee Pollen by Bradford Method. Mellifera, 17(1): 21-32, 2017.
• Kızılpınar Temizer İ., Güder A., ​​Gençay Çelemli Ö. Botanic origin and antioxidant activities of a Propolis from Irano-Turanian region as Nutritional Supplements, Istanbul J Pharm., 47(3): 107-111, 2017.
• Gençay Çelemli Ö., Atakay M., Sorkun K. The correlation between botanical source and the biologically active compounds of propolis. Istanbul J Pharm., 49(2): 81-87, 2019.
• Çelemli Gençay Ö. Classification of Turkish Honeys from Aydın-Karacasu-Dikmen village Based on Melissopalynological parameters. Communications Faculty of Sciences University of Ankara Series C: Biology, 29(1): 105-118, 2020.
• Gençay Çelemli Ö., Sorkun K. History of Melissopalynological Methods, Communications Faculty of Sciences University of Ankara Series C: Biology, 27(2): 88-92, 2018.
• Özkök A. Bee Products Bee Bread and Apilarnil, Fun Science. Atılım University Journal of Popular Science, 19, 3-6 February 2016.
• Özkök A. (Editor). Fast Growing Sector in Turkey: An Overview of Bee Products. Hacettepe Publications, Palme Publishing House, Ankara, 2018.
• Özkök A. Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-2-Bee Products-I, pp. 11-71. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.
• Özkök A. Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-4-Apitherapy, pp. 115-117. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.
• Özkök A., Gençay Çelemli Ö., Özençiler Ç., Mayda N. The Fast Growing Sector in Turkey: An Overview of Bee Products, Chapter-6-Nectar-Containing Plants Important for Beekeeping in Turkey, pp. 141-203. Hacettepe Publications, Palme Publishing House, (Book Section), Ankara, 2018.

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