Bazı Crocus (Iridaceae) türlerinin antioksidan aktivitesi ve toplam fenolik içerikleri

Year 2020, Volume: 1 Issue: 1, 1 - 6, 01.06.2020

Mehmet Sağıroğlu , Alican Bahadır Semerci , Kenan Tunç

Abstract

Bu çalışmada Crocus olivieri subsp. istanbulensis, C. flavus subsp. flavus, C. danfordiae subsp. danfordiae ve C. antalyensis subsp. antalyensis türlerinin korm ve toprak üstü kısımlarının antioksidan aktivitesi belirlenmiştir. Antioksidan aktivite, 1 mg/mL yoğunluğundaki etanolik ekstraktların % 2,2-diphenyl-1-picrylhydrazyl (DPPH) süpürme aktivitesi belirlenerek araştırılmıştır. En yüksek antioksidan aktivite C. flavus subsp. flavus’un korm kısmında, en düşük ise C. danfordiae subsp. danfordiae’nın toprak üstü kısmında belirlenmiştir. Toplam fenolik içerik için en yüksek değer C. olivieri subsp. istanbulensis korm kısmında 390 mg GAE/100 g olarak, en düşük değer ise C. danfordiae subsp. danfordiae’nın toprak üstü kısmında 24.4 mg GAE/100 g olarak tespit edilmiştir.

Keywords

Crocus, DPPH aktivitesi, Sakarya, toplam fenolik içerik, Türkiye

Antioxidant activity and total phenolic content of some Crocus (Iridaceae) species

Abstract

The antioxidant activity was determined for the corm and the aerial parts of the species of Crocus olivieri subsp. istanbulensis, C. flavus subsp. flavus, C. danfordiae subsp. danfordiae and C. antalyensis subsp. antalyensis. The antioxidant activity was investigated by determining the percentage of 2.2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity of ethanolic extracts at a concentration of 1 mg/mL. The highest antioxidant activity was found in the corm part of C. flavus subsp. flavus, whereas, the lowest value was detected in the aerial part of C. danfordiae subsp. danfordiae. For the total phenolic content, the highest and the lowest values were observed in the corm of C. olivieri subsp. istanbulensis at 390 mg GAE/100 g and in the aerial part of C. danfordiae subsp. danfordiae at 24.4 mg GAE/100 g, respectively.

Keywords

Crocus, DPPH activity, Sakarya, total phenolic content, Turkey

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