PUBLISHED WORK
The Fruits of My Labor
BOOK CHAPTERS
Orhan N. Ribes nigrum (Part 67), Monographs of Society of Pharmacognosy and Phytotherapy, Plants Used in Therapy, Ozyurt Press, Ankara, Turkey, 581-590, 2011.
Orhan D.D., Orhan N. Chapter 25: Novel Antidermatophytic Drug Candidates from Nature, Antimicrobials: Synthetic and Natural Compounds, CRC Press. USA, 487-512, 2015.
Orhan N. Eucalyptus globulus (Mavi ökaliptus) (Part 48), Monographs of Society of Pharmacognosy and Phytotherapy, Plants and Their Effects, Akademisyen Bookstore, Ozyurt Press, Ankara, Turkey, 437-446, 2017.
Orhan N. Ribes nigrum (Karagat) (Part 103), Monographs of Society of Pharmacognosy and Phytotherapy, Plants and Their Effects, Akademisyen Bookstore, Ozyurt Press, Ankara, Turkey, 925-934, 2017.
Orhan, N., Deliorman Orhan, D. Chapter 8: Microbial Control of Vector-Borne Diseases, Editors: B.K. Tyagi, D. Dhanasekaran. Natural Weapons used against Dengue Vector Mosquito, Aedes aegypti. CRC Press, Florida, USA, 137-166, 2018.
Orhan, N. Chapter 30: Juniperus Species: Features, Profile, and Applications to Diabetes, Editors: R. R. Watson, V. R. Preedy. Bioactive Food as Dietary Interventions for Diabetes, Second Edition, Academic Press, USA, 447-460, 2019.
Translation: Unit 6, Urinary Tract, Rational Phytotherapy (V. Schulz, R. Hansel, M. Blumenthal, V.E. Tyler), Hekimler ve Eczacilar Icin Fitoterapi, Translation Editor: Deliorman Orhan, D., Celcus Kitabevi, 2020.
BOTANICAL ADULTERANTS PREVENTION PROGRAM DOCUMENTS:
Orhan N. St. John's wort (Hypericum perforatum) laboratory guidance document. Austin, TX:ABC-AHP-NCNPR Botanical Adulterants Prevention Program, December 2021.
Orhan N, Temiz B, Ağalar HG, İşcan G. Boswellia serrata oleogum resins and extracts laboratory guidance document. Austin, TX: ABC-AHP-NCNPR Botanical Adulterants Prevention Program. August 2022.
Orhan N. Adulteration of nigella (Nigella sativa) seed and seed oil. Botanical Adulterants Prevention Bulletin. Austin, TX: ABC-AHP-NCNPR Botanical Adulterants Prevention Program, October 2022.
RESEARCH ARTICLES
1. Deliorman Orhan, D., Aslan, M., Sendogdu N., Ergun F., Yesilada, E. Evaluation of The Hypoglycemic Effect and Antioxidant Activity of Three Viscum album Subspecies (European mistletoe) in Streptozocin-Diabetic Rats, J Ethnopharmacol, 98, 95-102, 2005.
2. Sendogdu, N., Aslan, M., Deliorman Orhan, D., Ergun, F., Yesilada, E. Antidiabetic and Antioxidant Effects of Vitis vinifera L. Leaves in Streptozotocin-Diabetic Rats. Turk J Pharm, 3, 7-17, 2005.
3. Orhan, N., Aslan, M., Deliorman Orhan, D., Ergun, F., Yesilada, E. In-vivo Assessment of Antidiabetic and Antioxidant Activities of Grapevine Leaves (Vitis vinifera) in Diabetic Rats, J Ethnopharmacol, 108, 280-286, 2006.
4. Aslan, M., Deliorman Orhan, D., Orhan, N., Sezik, E., Yesilada, E. In-vivo Antidiabetic and Antioxidant Potential of Helichrysum plicatum ssp. plicatum Capitulums in Streptozotocin-induced Diabetic Rats, J Ethnopharmacol, 109, 54-59, 2007.
5. Deliorman Orhan, D., Orhan, N., Ergun, E., Ergun, F. Hepatoprotective Effect of Vitis vinifera L. Leaves on Carbon Tetrachloride-Induced Acute Liver Damage in Rats, J Ethnopharmacol, 112, 145-151, 2007.
6. Aslan, M., Orhan, Deliorman D., Orhan, N., Sezik, E., Yesilada, E. A Study of Antidiabetic and Antioxidant Effects of Helichrysum graveolens Capitulums in Streptozotocin-Induced Diabetic Rats, J Med Food, 10, 396-400, 2007.
7. Orhan, N., Aslan, M., Hosbas, S., Deliorman Orhan D. Antidiabetic Effect and Antioxidant Potential of Rosa canina Fruits Pharmacogn Mag, 20, 309-315, 2009.
8. Deliorman Orhan, D.,Orhan N., Ozcelik B., Ergun, F. Biological Activities of Vitis vinifera L. leaves, Turk J Biol, 33, 341-348, 2009.
9. Aslan, M., Orhan, N., Deliorman Orhan, D., Ergun, F. Hypoglycemic Activity and Antioxidant Potential of Some Medicinal Plants Traditionally Used in Turkey for Diabetes, J Ethnopharmacol, 128, 384-389, 2010.
10. Orhan, N., Berkkan, A., Deliorman Orhan, D., Aslan, M., Ergun, F. Effects of Juniperus oxycedrus ssp. oxycedrus on Tissue Lipid Peroxidation, Trace Elements (Cu, Zn, Fe) and Blood Glucose Levels In Experimental Diabetes, J Ethnopharmacol, 133, 759-764, 2011.
11. Orhan, N., Orhan, I., Ergun F. Insights into Cholinesterase Inhibitory and Antioxidant Activities of Five Juniperus Species, Food Chem Toxicol, 49, 2305-2312, 2011.
12. Aslan, M., Orhan, N., Deliorman Orhan, D. Effect of Gentiana olivieri on Experimental Epilepsy Models, Pharmacogn Mag, 28, 344-349, 2011.
13. Pesen Ozdogan, F., Orhan, N., Ergun, F. Studies on the Conformity of Hibiscus sabdariffa L. Samples from Turkish Market to European Pharmacopeia, FABAD J Pharm Sci, 36, 25-32, 2011.
14. Orhan, N., Aslan, M., Pekcan, M., Deliorman Orhan, D., Bedir, E., Ergun, F. Identification of Hypoglycaemic Compounds from Berries of Juniperus oxycedrus ssp. oxycedrus through Bioactivity Guided Isolation Technique, J Ethnopharmacol, 139, 110-118, 2012.
15. Orhan, N., Aslan, M., Demirci, B., Ergun, F. A Bioactivity Guided Study on the Antidiabetic Activity of Juniperus oxycedrus subsp. oxycedrus Leaves, J Ethnopharmacol, 140, 409-415, 2012.
16. Orhan, N., Deliorman Orhan, D., Aslan, M., Sukuroglu, M., Erdogan Orhan, I. UPLC-TOF-MS Analysis of Galium spurium towards its Neuroprotective and Anticonvulsant Activities, J Ethnopharmacol, 141, 220-227, 2012.
17. Orhan, N., Akkol, E., Ergun, F. Evaluation of Anti-inflammatory and Antinociceptive Effects of Some Juniperus Species Growing in Turkey, Turk J Biol, 36, 719-726, 2012.
18. Tombul, A.G., Orhan, N., Sezik, E., Ergun, F. Morphologic, Anatomical, and Chromatographic Studies on Eucalyptus (L’Hér.) Samples from the Market. FABAD J Pharm Sci, 37, 79-87, 2012.
19. Orhan, N., Aslan, M., Sukuroglu, M., Deliorman Orhan D. In-vivo and In-vitro Antidiabetic Effect of Cistus laurifolius L. and Detection of Major Phenolic Compounds by UPLC-TOF-MS Analysis, J Ethnopharmacol, 146, 859-865, 2013.
20. Orhan, N., Hosbas, S., Deliorman Orhan, D., Aslan, M., Ergun, F. Enzyme Inhibitory and Radical Scavenging Effects of Some Antidiabetic Plants of Turkey. IJBMS, 17(6), 426-432, 2014.
21. Orhan, N., Deliorman Orhan, N., Aslan, M., Ergun, F. Effect of Exotic Fruit “Pepino” (Solanum muricatum Aiton.) on Blood Glucose Level. Turk J Pharm Sci, 11,195-202, 2014.
22. Demirez, M., Orhan, N., Ergun, F. Ankara Aktarlarında Nane Adıyla Satılan Örnekler Üzerinde Çalışmalar (Studies on the Samples Sold as Mint in Aktars of Ankara). Spatula DD, 4, 223-231, 2014.
23. Orhan, N., Onaran, M., Sen, I., Gonul, I.I., Aslan, M. Preventive Treatment of Calcium Oxalate Crystal Deposition with Immortal Flowers. J Ethnopharmacol, 163, 60-67, 2015.
24. Orhan N., Damlacı, T., Baykal, T., Ozek, T., Aslan, M. Hypoglycaemic Effect of Seed and Fruit Extracts of Laurel Cherry in Different Experimental Models and Chemical Characterization of the Seed Extract. Rec Nat Prod, 9, 379-385, 2015
25. Deliorman Orhan D., Hartevioglu A., Orhan N., Berkkan A., Gokbulut A., Gunhan O., Pekcan M. Subacute Effects of Standardized Fumaria vaillantii Lois. Ethanol Extract on Trace Element Levels, Biochemical and Histopathological Parameters in Experimental Liver Toxicity. J Food Biochem, 40, 180-189, 2016.
26. Onaran, M., Orhan, N., Farahvash, A., Ekin, H.N., Kocabıyık, M., Gonul, İ.I., Sen, İ., Aslan, M. Successful Treatment of Sodium Oxalate Induced Urolithiasis with Helichrysum Flowers, J Ethnopharmacol, 186, 322-328, 2016.
27. Deliorman Orhan, D., Orhan, N. Assessment of In-vitro Antidiabetic and Antioxidant Effects of Helianthus tuberosus, Cydonia oblonga and Allium porrum. Turk J Pharm Sci, 13, 181-188, 2016.
28. Orhan, N., Icoz, U.G., Altun, L., Aslan, M. Anti-Hyperglycaemic & Antioxidant Effects of Bidens tripartita and Quantitative Analysis on its Active Principles, IJBMS, 19, 1114-1124, 2016.
29. Gokbulut, A., Orhan, N., Deliorman Orhan, D. Phenolic Compounds Characterization, Carbohydrate Digestive Enzyme Inhibitory and Antioxidant Activities of Hieracium pannosum Boiss., S Afr J Bot, 108, 387-392, 2017.
30. Orhan, N., Deliorman Orhan, D., Gokbulut, A., Aslan, M., Ergun, F. Comparative Analysis of Chemical Profile, Antioxidant, In-vitro and In-vivo Antidiabetic Activities of Juniperus foetidissima Willd. and Juniperus sabina L.. IJPR, 16, 64-74, 2017.
31. Orhan, N., Gokbulut, A., Deliorman Orhan, D. Antioxidant Potential and Carbohydrate Digestive Enzyme Inhibitory Effects of Five Inula Species and Their Major Compounds. S Afr J Bot, 111, 86-92, 2017.
32. İçöz Ü.G., Orhan, N., Altun, L., Aslan M. In vitro and in vivo antioxidant and antidiabetic activity studies on standardized extracts of two Bidens species. J Food Biochem, 41(6)(e12429), 2017.
33. Deliorman Orhan, D., Orhan, N., Gokbulut, A. In vitro enzyme inhibitory properties, antioxidant activities, and phytochemical studies on Juniperus drupacea. J Res Pharm, 23(1), 83-92, 2019.
34. Orhan, N., Ekin, H.N., Sukuroglu, M.K., Aslan, M. In vitro antidiabetic effect, quantitative studies and UPLC-TOF-MS analysis of black tea samples from Turkish market. J Res Pharm, 23(3), 484-497, 2019.
35. Ekin, H.N., Deliorman Orhan, D., Erdogan Orhan, I., Orhan, N., Aslan, M. Evaluation of enzyme inhibitory and antioxidant activity of some Lamiaceae plants. J Res Pharm, 23(4), 749-758, 2019.
36. A Comparative Evaluation of Juniperus Species with Antimicrobial Magistrals. Pakistan J Pharm Sci, 33 (4), 1443-1449, 2020
37. Phenolic Content, Antioxidant and in-vitro Antidiabetic Effects of Thirteen Marine Organisms from the Mediterranean Sea. Farmacia, 69 (1), 2021.
38. In-vitro Enzyme Inhibitory Properties, Antioxidant Activities and Phytochemical Profiles of Moltkia aurea and Moltkia coerulea. Turk J Pharm Sci, 18(2), 204-212, 2021.
39. Standardization of Juniperus macrocarpa Sibt. & Sm. and Juniperus excelsa M. Bieb. extracts with carbohydrate digestive enzyme inhibitory and antioxidant activities. Iranian J Pharm Res, 20(3), 2021.
ACADEMIC CAREER
Career Details
ASSOCIATE PROFESSOR
May 2013-December 2018
Gazi University Faculty of Pharmacy Department of Pharmacognosy
RESEARCH AND TEACHING ASSISTANT
December 2002-May 2013
Gazi University Faculty of Pharmacy Department of Pharmacognosy
PHD THESIS
January 2005 - April 2011
Pharmacognosic studies on Juniperus species that are used as folk medicine against diabetes in Turkey. (Şeker hastalığına karşı halk ilacı olarak kullanılan Juniperus türleri üzerinde farmakognozik araştırmalar)
Gazi University Faculty of Pharmacy Department of Pharmacognosy.
MASTER OF SCIENCE THESIS
September 2002Â - December 2004
Researches on the antidiabetic activity of Vitis vinifera L. leaves. (Vitis vinifera L. yapraklarının şeker hastalığı üzerindeki etkilerinin araştırılması) Gazi University Faculty of Pharmacy Department of Pharmacognosy
GALLERY
Featured Showcase


With Nejdet Bozkurt

Isık Mountain, near Ankara

With the Dean of our Faculty, Prof. Dr. Tuncer DeÄŸim

At Ankara University Faculty of Pharmacy Pharmaceutical Botany Lab.



