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Tevfik Ozen Prof. Dr. Ondokuz Mayıs Üniversitesi
Publication 17 Review 6 CrossRef Cited 69 TR Dizin Cited 5
17 Publication
6 Review
69 CrossRef Cited
5 TR Dizin Cited
0000-0003-0133-5630

Research Fields

Biologically Active Molecules Enzymes Natural Products and Bioactive Compounds Free Radical Chemistry Medicinal and Biomolecular Chemistry

Institution

Ondokuz Mayıs Üniversitesi

Publications

Bioguided isolation of 8-epideoxyloganic acid from Nepeta italica: In vitro and in silico assessments
Authors: Yaşar İpek , Semiha Yenigün , Yunus Başar , İbrahim Demirtas , Tevfik Ozen , Lütfi Behçet
Published: 2026 , Gazi University Journal of Science
DOI: 10.35378/gujs.1727978
FAVORITE 0 TOTAL DOWNLOAD COUNT 182

0

182

Synthesis, Structure Elucidation, Antioxidant, Molecular Docking, Molecular Dynamic Simulation, and MM-PBSA Analysis of Isatin Derivatives Bearing Thiosemicarbazone
Authors: Hasan Yakan , Semiha Yenigün , Halit Muğlu , Tevfik Ozen
Published: 2026 , Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
DOI: 10.17798/bitlisfen.1782134
FAVORITE 0 TOTAL DOWNLOAD COUNT 307

0

307

A new possible antibacterial compound isolated from Prangos aricakensis, Daucosterol: Antibacterial activity and molecular docking approaches via DD-peptidase and gyrase
Authors: Serbay Şafak Gökçimen , Yaşar İpek , Tevfik Ozen , İbrahim Demirtas , Lütfi Behçet
Published: 2026 , Journal Of Agriculture and Nature
DOI: 10.18016/ksutarimdoga.vi.1683529
FAVORITE 0 TOTAL DOWNLOAD COUNT 735

0

735

Phytochemical contents and in vitro activities of Berberis thunbergii hydroethanolic extract
Authors: Elif Ceren Karakuş , Tevfik Ozen , Semiha Yenigün , Yunus Başar , İbrahim Demirtas , İlyas Yıldız
Published: 2025 , Turkish Journal of Nature and Science
DOI: 10.46810/tdfd.1664372
FAVORITE 0 TOTAL DOWNLOAD COUNT 580

0

580

Bioactivity-guided isolation of inositol as acetylcholinesterase inhibitory from endemic Campanula baskilensis Behcet: In vitro bioactivity, PCA analysis, and silico supporting studies
Authors: Sarmad Marah , Yaşar İpek , Tevfik Ozen , İbrahim Demirtas , Lütfi Behçet
Published: 2025 , Journal Of Agriculture and Nature
DOI: 10.18016/ksutarimdoga.vi.1632935
FAVORITE 0 TOTAL DOWNLOAD COUNT 924

0

924

Fruit extracts of Rosa canina L. and Rosa pimpinellifolia L.: Phytochemical profiles, in vitro antioxidant, anti-inflammatory, xanthine oxidase inhibitory effects, and in silico molecular dynamics studies
Authors: Yunus Başar , Semiha Yenigün , Mehmet Hakkı Alma , İbrahim Demirtas , Tevfik Ozen
Published: 2025 , Journal Of Agriculture and Nature
DOI: 10.18016/ksutarimdoga.vi.1639294
FAVORITE 0 TOTAL DOWNLOAD COUNT 1129

0

1129

The enzyme kinetic studies, DNA protection and antioxidant activities of furan/ thiophene-2-carboxamide derivatives
Authors: Şükriye Çakmak , Semiha Yenigün , Tevfik Ozen
Published: 2024 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1405155
FAVORITE 0 TOTAL DOWNLOAD COUNT 861

0

861

Phytochemical Contents and Antioxidant Activity Paliurus Spina-Christi Miller Leaf and Seed Extracts: PASS Predictions, In Silico Studies on Xanthine Oxidase and Cytochrome P450 1A1
Authors: Semiha Yenigün , Yunus Başar , Sinem Yılmaz , İbrahim Demirtas , Tevfik Ozen
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1516991
FAVORITE 0 TOTAL DOWNLOAD COUNT 673

0

673

Antimicrobial activities and enzyme inhibition effects of Nepeta species
Authors: Tevfik Ozen , Semiha Yenigün , Yunus Başar , Yasar Ipek , Mesut Gök , Lütfi Behçet , İbrahim Demirtas
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1413835
FAVORITE 0 TOTAL DOWNLOAD COUNT 713

0

713

GC-MS/MS and 1H-NMR analysis of endemic Campanula baskilensis Behçet leaf fractions
Authors: Sarmad Marah , Tevfik Ozen , İbrahim Demirtas , Yaşar İpek , Fatih Gül , Lütfi Behçet
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1477900
FAVORITE 0 TOTAL DOWNLOAD COUNT 705

0

705

Phytochemical profiling, molecular docking and ADMET prediction of crude extract of Atriplex nitens Schkuhr for the screening of antioxidant and urease inhibitory
Authors: Yunus Başar , Semiha Yenigün , Fatih Gül , Tevfik Ozen , İbrahim Demirtas , Mehmet Hakkı Alma , Süleyman Temel
Published: 2024 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1389719
FAVORITE 0 TOTAL DOWNLOAD COUNT 1389

0

1389

Antibacterial and Antioxidant Molecule Isolated from Nepeta aristata Boiss Et Kotschy Ex Boiss plant: 1,5,9-Epideoxyloganic Acid
Authors: Yunus Başar , Semiha Yenigün , Lütfi Behçet , Tevfik Ozen , İbrahim Demirtas
Published: 2024 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1381998
FAVORITE 0 TOTAL DOWNLOAD COUNT 544

0

544

Functional food components and activities of Pinus nigra and Pinus sylvestris barks as food supplements
Authors: İbrahim Demirtas , Tevfik Ozen , Sarmad Marah , Doğukan Mutlu , Şevki Arslan , Fatih Gül
Published: 2023 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1360577
FAVORITE 0 TOTAL DOWNLOAD COUNT 882

0

882

The comparison of chemical content and bioactive capacity of domestic and import Hypericum perforatum aqueous extracts
Authors: Sarmad Marah , İbrahim Demirtas , Tevfik Ozen
Published: 2022 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1187768
FAVORITE 0 TOTAL DOWNLOAD COUNT 707

0

707

Phenolic profile, antioxidant, DNA protection, acetylcholinesterase, butyrylcholinesterase and urease inhibition activities of Coriandrum sativum L. leaf, seed and flower extracts
Authors: Tevfik Ozen , Semiha Yenıgun , Mehmet Toka
Published: 2022 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1024979
FAVORITE 0 TOTAL DOWNLOAD COUNT 678

0

678

Comparison of the chemical composition and bioactive properties of extracts prepared from the mature Turkish and Brazilian banana peels
Authors: Tevfik Ozen , İbrahim Demirtas
Published: 2021 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.936932
FAVORITE 0 TOTAL DOWNLOAD COUNT 1050

0

1050

Chemical analyzes and antioxidant activities of essential oils of four wild Mentha species growing in the Tokat and its districts
Authors: Tevfik Ozen , Isa Telci , Fatih Gul, Ibrahim Demirtas
Published: 2017 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.343582
FAVORITE 0 TOTAL DOWNLOAD COUNT 1419

0

1419

Articles published in
Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
Current Perspectives on Medicinal and Aromatic Plants
Current Perspectives on Medicinal and Aromatic Plants
Gazi University Journal of Science
Gazi University Journal of Science
International Journal of Chemistry and Technology
International Journal of Chemistry and Technology
Journal Of Agriculture and Nature
Journal Of Agriculture and Nature
Turkish Journal of Nature and Science
Turkish Journal of Nature and Science

Reviews

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
International Journal of Chemistry and Technology
International Journal of Chemistry and Technology
Journal of the Institute of Science and Technology
Journal of the Institute of Science and Technology
Karadeniz Chemical Science and Technology
Karadeniz Chemical Science and Technology
Turkish Journal of Biodiversity
Turkish Journal of Biodiversity

Publications

Bioactivity-guided isolation of inositol as acetylcholinesterase inhibitory from endemic Campanula baskilensis Behcet: In vitro bioactivity, PCA analysis, and silico supporting studies
Authors: Sarmad Marah , Yaşar İpek , Tevfik Ozen , İbrahim Demirtas , Lütfi Behçet
Published: 2025 , Journal Of Agriculture and Nature
DOI: 10.18016/ksutarimdoga.vi.1632935
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 924

3

0

924

Fruit extracts of Rosa canina L. and Rosa pimpinellifolia L.: Phytochemical profiles, in vitro antioxidant, anti-inflammatory, xanthine oxidase inhibitory effects, and in silico molecular dynamics studies
Authors: Yunus Başar , Semiha Yenigün , Mehmet Hakkı Alma , İbrahim Demirtas , Tevfik Ozen
Published: 2025 , Journal Of Agriculture and Nature
DOI: 10.18016/ksutarimdoga.vi.1639294
CITED 10 FAVORITE 0 TOTAL DOWNLOAD COUNT 1129

10

0

1129

Phytochemical Contents and Antioxidant Activity Paliurus Spina-Christi Miller Leaf and Seed Extracts: PASS Predictions, In Silico Studies on Xanthine Oxidase and Cytochrome P450 1A1
Authors: Semiha Yenigün , Yunus Başar , Sinem Yılmaz , İbrahim Demirtas , Tevfik Ozen
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1516991
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 673

3

0

673

Antimicrobial activities and enzyme inhibition effects of Nepeta species
Authors: Tevfik Ozen , Semiha Yenigün , Yunus Başar , Yasar Ipek , Mesut Gök , Lütfi Behçet , İbrahim Demirtas
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1413835
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 713

1

0

713

GC-MS/MS and 1H-NMR analysis of endemic Campanula baskilensis Behçet leaf fractions
Authors: Sarmad Marah , Tevfik Ozen , İbrahim Demirtas , Yaşar İpek , Fatih Gül , Lütfi Behçet
Published: 2024 , Current Perspectives on Medicinal and Aromatic Plants
DOI: 10.38093/cupmap.1477900
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 705

1

0

705

Phytochemical profiling, molecular docking and ADMET prediction of crude extract of Atriplex nitens Schkuhr for the screening of antioxidant and urease inhibitory
Authors: Yunus Başar , Semiha Yenigün , Fatih Gül , Tevfik Ozen , İbrahim Demirtas , Mehmet Hakkı Alma , Süleyman Temel
Published: 2024 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1389719
CITED 21 FAVORITE 0 TOTAL DOWNLOAD COUNT 1389

21

0

1389

Antibacterial and Antioxidant Molecule Isolated from Nepeta aristata Boiss Et Kotschy Ex Boiss plant: 1,5,9-Epideoxyloganic Acid
Authors: Yunus Başar , Semiha Yenigün , Lütfi Behçet , Tevfik Ozen , İbrahim Demirtas
Published: 2024 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1381998
CITED 14 FAVORITE 0 TOTAL DOWNLOAD COUNT 544

14

0

544

Functional food components and activities of Pinus nigra and Pinus sylvestris barks as food supplements
Authors: İbrahim Demirtas , Tevfik Ozen , Sarmad Marah , Doğukan Mutlu , Şevki Arslan , Fatih Gül
Published: 2023 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1360577
CITED 4 FAVORITE 0 TOTAL DOWNLOAD COUNT 882

4

0

882

The comparison of chemical content and bioactive capacity of domestic and import Hypericum perforatum aqueous extracts
Authors: Sarmad Marah , İbrahim Demirtas , Tevfik Ozen
Published: 2022 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1187768
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 707

3

0

707

Phenolic profile, antioxidant, DNA protection, acetylcholinesterase, butyrylcholinesterase and urease inhibition activities of Coriandrum sativum L. leaf, seed and flower extracts
Authors: Tevfik Ozen , Semiha Yenıgun , Mehmet Toka
Published: 2022 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.1024979
CITED 5 FAVORITE 0 TOTAL DOWNLOAD COUNT 678

5

0

678

Comparison of the chemical composition and bioactive properties of extracts prepared from the mature Turkish and Brazilian banana peels
Authors: Tevfik Ozen , İbrahim Demirtas
Published: 2021 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.936932
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 1050

3

0

1050

Chemical analyzes and antioxidant activities of essential oils of four wild Mentha species growing in the Tokat and its districts
Authors: Tevfik Ozen , Isa Telci , Fatih Gul, Ibrahim Demirtas
Published: 2017 , International Journal of Chemistry and Technology
DOI: 10.32571/ijct.343582
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1419

1

0

1419

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