Physicochemical properties and antioxidant activities of five Iranian pomegranate cultivars (Punica granatum L.) in maturation stage
Kosar NIKDEL | Esmaiel SEIFI | Hamed BABAIE | Mehdi SHARIFANI | Khodayar HEMMATI
The aim of this study was to compare the physicochemical properties and antioxidant activity of five different pomegranate cultivars. Fruit mass ranged from 109.27 to 78.07 g. Peel thickness of the fruit was recorded from 5.05 to 2.70 mm. The pH, total soluble solids content, the titratable acidity content were within the range of 4.23 to 4.36, 20.00 (◦Brix) to 14.05 (◦Brix), 0.04 to 0.007 mg per 100 g of juice, respectively. Ascorbic acid content was from 4.73 to 1.98 mg per 100 g of juice. The amount of total phenolics in pomegranate cultivars was between 6.36 and 1.78 mg GAE/100 ml. The total flavonoids content also ranged between 4.93 to 2.24 mg GAE/100 ml. The level of antioxidant activity was varied from 86.77 % to 79.54 %. Reducing sugar content ranged between 5.81 to 1.72 mg/100g. Glucose content was found from 3.48 to 1.14 mg/100g. In total based on these results, the cultivar is the main parameter which influences the physic-chemical properties and antioxidant activity in pomegranates.
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