Physicochemical Properties of Zivzik and Gorumlu Pomegranates

Dünyanın en geniş nar plantasyon alanları arasında Anadolu bulunmaktadır ve aynı zamanda butopraklar nar bitkisinin ilk kültüre alındığı bölgeler arasında sayılmaktadır. Bölgede çok sayıda nartipleri bulunmasına rağmen özellikle Hicaz narları dünya çapında tanınmaktadır ve genellikle buçeşit narlar meyve suyu konsantresi yapımında kullanılmaktadır. Bu çalışmanın amacı Doğu veGüneydoğu Anadolu yörelerinde yetiştirilen bazı nar tiplerinin fizikokimyasal özelliklerininözelliklerinin tespit edilmesidir. Zivzik, Ali Ağay, Hacı Hesin, Radişu olmak üzere dört farklı narçeşidi fenolik, antosiyanin, askorbik asit ve antioksidan içerikleri bakımından incelenmiştir.Narların antosiyanin kompozisyonları fotodiot detektör kullanılarak HPLC (HPLC-PDA) vasıtasıylatespit edilmiştir. Elde edilen sonuçlara göre üzerinde çalışılan narlar önemli ölçüde doğal bileşiklerve askorbik asit içermekte ve ayrıca yüksek antioksidan aktiviteye sahiptirler. HPLC-PDA analizinegöre narlarda Siyanidin 3,5-diglukozit, Pelargonidin 3,5-diglukozit, Siyanidin 3-glukozit antosiyaninbileşikleri bulunmaktadır.

Zivzik ve Görümlü Narlarının Fizikokimyasal Özellikleri

One of the largest pomegranate plantation areas in the World is Anatolia where is alsoconsidered as to be the native lands of pomegranate cultivation. Even though presence of manypomegranate accessions in the region only Hicaz variety has world-wide reputation and isgenerally used for production of pomegranate juice concentrate. The objective of this study isilluminating the physicochemical properties of special pomegranate types grown in the Easternand Southeastern regions of Anatolia. Four different pomegranate varieties namely Zivzik, AliAğay, Hacı Hesin, Radişu were assayed for their phenolic, anthocyanin, ascorbic acid contentsand antioxidant activities. The anthocyanin compositions of pomegranates were identified byusing HPLC system equipped with photodiode array detector. Results indicated that thesepomegranate varieties have comparable natural compound and ascorbic acid contents, and theyhave higher antioxidant activity than the other pomegrante varieties and fruit types. The HPLC- PDA analysis revealed that there are at least three individual anthocyanins such as Cyanidin 3,5diglucoside, Pelargonidin 3,5 diglucoside, Cyanidin 3 glucoside in assayed pomegranates.

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