Comparative Analysis of Total Phenolic Content and Antioxidant Activity in Cherry (Prunus avium L.) Stems from Different Cultivars in Türkiye

Yıl 2025, Cilt: 9 Sayı: 2, 111 - 115, 26.12.2025

Müjgan Güney , Hakan Keles

Öz

This study evaluated the total phenolic content (TPC) and antioxidant activity of stem extracts from six cherry (Prunus avium L.) cultivars grown in Türkiye. Stems were collected from major cherry-growing regions (Salihli and Isparta), extracted with 80% methanol, and analyzed using the Folin–Ciocalteu method and DPPH radical scavenging assay. Results revealed significant cultivar-dependent variation in both phenolic content and antioxidant capacity. Ziraat-0900 exhibited the highest TPC (272.56 mg GAE/g DW), while Regina had the lowest (131.82 mg GAE/g DW). All cultivars demonstrated strong DPPH scavenging activity, ranging from 92.00% to 94.26%, with corresponding ascorbic acid equivalent values spanning a narrow range (9.93–10.17 mg/g DW). Despite this narrow range, high TPC was generally associated with higher antioxidant potential. However, the high DPPH activity observed even in low-phenolic cultivars (e.g., Regina) suggests that qualitative differences in phenolic composition may also play a key role. These findings highlight cherry stems as a promising source of bioactive phenolic compounds and support their potential valorization in functional and nutraceutical applications.

Anahtar Kelimeler

Cherry stem , Bioactive compounds , DPPH , By-product valorization

Kaynakça

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