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AbstractAbstract
[en] Pomegranate fruit is an important source of potentially healthy bioactive compounds. Changes in total phenolic content, phenolic compounds and anti radical activity in juice and peel extracts of pomegranate fruit of five cultivars were studied. Total phenolic content (TPC) varied between 1598.96 and 2315.10 mg gallic acid L-1 for pulp juice while TPC ranged from 8.68 to 15.46 mg/g in peel extract. All cultivars juice and peel extracts undertaken had a high capacity while TPC changed from 8.68 to 15.94 mg gallic acid scavenge 1,1-diphenyl-2-picrylhydrazyl (DPPH0) and β- carotene assays Increasing the concentration of either pomegranate juice (PJ) or peel extract increased (P < 0.05) the radical scavenging activity, however anti radical activity of peel extracts was higher than juice one. A good correlation between phenolic content and the radical scavenging activities was observed higher in peel extract than fruit juice. According to the results of high performance liquid chromatography (HPLC), the gallic acids, chlorogenic acid and caffeic were the predominant phenolic compounds of the pomegranate cultivars. We concluded that pomegranate peel extract and juice appeared to have more potential as a health supplement rich in natural antioxidants than the pulp extract and merits and need further intensive study.
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Journal of Radiation Research and Applied Sciences; ISSN 1687-8507;
; v. 6(1B); p. 353-368

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