Antalya ilinde yetiştirilen bazı pikan cevizi [Carya illinoinensis (Wangenh.) K. Koch] çeşitlerinin antioksidan özellikleri

Bu çalışmada Türkiye’nin Antalya ilinde yetiştirilen yirmialtı çeşit pikan cevizinin toplam fenolik, flavonoid miktarı ve antioksidan aktiviteleri belirlenmesi amaçlanmıştır. Pikan cevizi çeşitlerinin toplam fenolik ve flavonoid miktarları sırasıyla 372.94-1271.92 mg GAE/100 g ve 137.03-575.32 mg CE/100 g olarak belirlenmiştir. Shoshoni çeşidinin en yüksek toplam fenolik içeriğine sahip olduğu, bunu sırasıyla Wichita (1134.07 mg GAE/100 g), Mahan (1100.21 mg GAE/100 g) ve Moneymaker (1085.12 mg GAE/100 g) çeşitlerinin izlediği belirlenmiştir. En yüksek toplam flavonoid miktarı ise Wichita çeşidinde belirlenmiş, bunu sırasıyla Mahan (385.83 mg CE/100 g), Cheroke (335.94 mg CE/100 g) ve Big Z (344.45 mg CE/100 g) çeşitleri takip etmiştir. Çeşitler arasında en yüksek fenolik içeriğine sahip Shoshoni çeşidi, aynı zamanda en yüksek DPPH radikali giderme aktivitesi (3.50 mg/mL) göstermiştir. FRAP değerleri açısından, en yüksek değerler sırasıyla Wichita ( 147.93 mmol TE/g), Mahan (112.10 mmol TE/g), Harris Super (99.90 mmol TE/g) ve Shoshoni (99.17 mmol TE/g) çeşitlerinde belirlenmiştir.

In this study, it was aimed to determine the total phenolic, flavonoid contents and antioxidant activities of twenty-six cultivars of pecan grown in Antalya province. According to the research results, the total phenolic and flavonoid contents of pecan cultivars were determined as 372-1271.92 mg GAE/100 g and 137.03-575.32 mg CE/100 g, respectively. It was determined that Shoshoni cultivar had the highest total phenolic content, followed by Wichita (1134.07 mg GAE/100 g), Mahan (1100.21 mg GAE/100 g) and Moneymaker (1085.12 mg GAE/100 g), respectively. On the other hand, the highest total flavonoid content was determined in Wichita cultivar, followed by Mahan (385.83 mg CE / 100 g), Cheroke (335.94 mg CE/100 g) and Big Z (344.45 mg CE/100 g), respectively. Among cultivars, Shoshoni cultivar with the highest content of total phenolic showed also the highest DPPH radical scavenging activity (3.50 mg/mL). In terms of FRAP values, the highest values were determined in Wichita (147.93 mmol TE/g), Mahan (112.10 mmol TE/g), Harris Super (99.90 mmol TE/g) and Shoshoni (99.17 mmol TE/g) cultivars, respectively.

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Anadolu Tarım Bilimleri Dergisi-Cover
  • ISSN: 1308-8750
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1986
  • Yayıncı: Ondokuz Mayıs Üniv. Ziraat Fak.