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Journals / International Journal of Secondary Metabolite / 2026 / Volume: 13 Issue: 2

Comparative analysis of essential oils and antimicrobial activities of Scorzonera yildirimlii and S. zorkunensis from Türkiye

Büşra Korkmaz(KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF PHARMACY)0000-0002-3747-8855
Gözde Bozdal(KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF PHARMACY)0000-0003-1248-7912
Büşra Şahin(ARTVIN CORUH UNIVERSITY)0000-0002-2727-9801
Sermet Yıldırmış(KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF PHARMACY)0000-0001-7535-5912
Kamil Coşkunçelebi(KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF SCIENCE, DEPARTMENT OF BIOLOGY, BIOLOGY PR.)0000-0001-5713-6628
Serdar Makbul(RECEP TAYYIP ERDOGAN UNIVERSITY)0000-0001-8798-0926
Şengül Alpay Karaoğlu(RECEP TAYYIP ERDOGAN UNIVERSITY)0000-0003-1047-8350
Nurettin Yaylı(KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF PHARMACY)0000-0003-4174-3014
Pages
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Publication Date
2026-06-09
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

They showed the strongest activity against Mycobacterium smegmatis, with MIC values of 32.63 µg/mL and 65.81 µg/mL, respectively.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The present study aimed to investigate the chemical composition of essential oils (EOs) of two endemic species, Scorzonera yildirimlii and S. zorkunensis.
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Key Findings & Data:A total of 48 and 37 compounds were identified, accounting for 99.96% and 99.94%, respectively.
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Conclusion & Impact:They showed the strongest activity against Mycobacterium smegmatis, with MIC values of 32.63 µg/mL and 65.81 µg/mL, respectively.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Antimicrobial activity · Asteraceae · Essential oils

Abstract

The present study aimed to investigate the chemical composition of essential oils (EOs) of two endemic species, Scorzonera yildirimlii and S. zorkunensis. The EOs were obtained using hydrodistillation (HD) and analyzed by GC-MS. A total of 48 and 37 compounds were identified, accounting for 99.96% and 99.94%, respectively. Aldehydes (56.20% / 34.55%) and terpenoids (17.89% / 25.55%) were the primary chemical classes in the essential oil of both species. Nonanal (18.76%) and phytol (15.58%) in the EO of S. yildirimlii and 2-nonadecanone (21.62%) and cedroxide (12.07%) in the EO of S. zorkunensis were found to be significant compounds. The antimicrobial activities of the EOs of both species were evaluated against nine microorganisms. They showed the strongest activity against Mycobacterium smegmatis, with MIC values of 32.63 µg/mL and 65.81 µg/mL, respectively.

Özet

The present study aimed to investigate the chemical composition of essential oils (EOs) of two endemic species, Scorzonera yildirimlii and S. zorkunensis. The EOs were obtained using hydrodistillation (HD) and analyzed by GC-MS. A total of 48 and 37 compounds were identified, accounting for 99.96% and 99.94%, respectively. Aldehydes (56.20% / 34.55%) and terpenoids (17.89% / 25.55%) were the primary chemical classes in the essential oil of both species. Nonanal (18.76%) and phytol (15.58%) in the EO of S. yildirimlii and 2-nonadecanone (21.62%) and cedroxide (12.07%) in the EO of S. zorkunensis were found to be significant compounds. The antimicrobial activities of the EOs of both species were evaluated against nine microorganisms. They showed the strongest activity against Mycobacterium smegmatis, with MIC values of 32.63 µg/mL and 65.81 µg/mL, respectively.

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Cite This Article

Korkmaz, B., Bozdal, G., Şahin, B., Yıldırmış, S., Coşkunçelebi, K., Makbul, S., Karaoğlu, Ş. A., Yaylı, N. (2026). Comparative analysis of essential oils and antimicrobial activities of Scorzonera yildirimlii and S. zorkunensis from Türkiye. International Journal of Secondary Metabolite, Volume: 13 Issue: 2. https://doi.org/10.21448/ijsm.1693009

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