Effect of Different Drying Processes on Antioxidant and Antidiabetic Properties of Pomegranate Press Wastes

Year 2023, , 113 - 120, 30.04.2023

Emine Okumuş

https://doi.org/10.53433/yyufbed.1134273

Cited By: 2

Abstract

Today, with the understanding of the favourable effects of fruit consumption on health, the consumption of pomegranate has increased gradually, and solution methods were sought to evaluate the peel and seed parts that emerge after the fruit is sorted. In this study, the effects of different drying processes (microwave, drying oven, and freeze-drying) and different extraction solvents (ethanol and methanol) on the antioxidant and antidiabetic activities of pomegranate press wastes were investigated. While the highest total phenolic content (TPC) was in freeze-dried methanolic extracts (5758.70 mg GAE 100 g-1), the highest total flavonoid content (TFC) and total monomeric anthocyanin (MA) contents were determined in microwave-dried ethanolic extracts with values of 1068.75 mg QE 100 g-1 dw and 215.44 mg cyn-3-glu 100 g-1, respectively. All samples had higher α-glucosidase inhibitory activity compared to acarbose. The results showed that pomegranate press waste, which is thought to have no use in the food industry, is a potential resource that can be used in the pharmacology and cosmetics industries as well as its use as a food supplement; thanks to its high antioxidant and antidiabetic properties.

Keywords

Antidiabetic activity, Bioactive components, Drying method, Pomegranate, Press waste

Farklı Kurutma İşlemlerinin Nar Pres Atıklarının Antioksidan ve Antidiyabetik Özellikleri Üzerine Etkisi

Abstract

Günümüzde meyve tüketiminin sağlığa faydalı etkilerinin anlaşılmasıyla birlikte nar tüketimi giderek artmış ve meyvenin ayıklanması sonrasında ortaya çıkan kabuk ve çekirdek kısımlarının değerlendirilmesi amacıyla çözüm yöntemleri aranmaya başlanmıştır. Bu çalışmada, farklı kurutma yöntemlerinin (mikrodalga, etüv ve dondurarak kurutma) ve farklı ekstraksiyon solventlerinin (etanol ve metanol) nar pres atıklarının antioksidan ve antidiyabetik aktivitesi üzerine etkileri incelenmiştir. En yüksek toplam fenolik madde içeriği (TPC) dondurarak kurutulmuş metanolik ekstraktlarda (5758.70 mg GAE/100 g), en yüksek toplam flavonoid madde içeriği (TFC) ve toplam monomerik antosiyanin (MA) içerikleri mikrodalgada kurutulmuş etanolik ekstraktlarda sırasıyla 1068.75 mg QE/100 g dw ve 215.44 mg cyn-3-glu/100 g olarak belirlenmiştir. Tüm örnekler akarboza kıyasla daha yüksek α-glukozidaz inhibitör aktiviteye sahipti. Sonuçlar, gıda endüstrisinde kullanım imkânı bulunmadığı düşünülen nar pres atıklarının yüksek antioksidan ve antidiyabetik özellikleri sayesinde gıda takviyesi olarak kullanımının yanı sıra farmakoloji ve kozmetik endüstrilerinde de kullanılabilecek potansiyel bir kaynak olduğunu göstermiştir.

Keywords

Antidiyabetik aktivite, Biyoaktif bileşenler, Kurutma yöntemi, Nar, Pres atığı

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