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Article Publish Status: FREE
Abstract Title:

Comparative Studies of Antioxidant Activities and Nutritional Constituents of Persimmon Juice (Diospyros kaki L. cv. Gapjubaekmok).

Abstract Source:

Prev Nutr Food Sci. 2012 Jun ;17(2):141-51. PMID: 24471076

Abstract Author(s):

Jin Hwan Lee, Yong Bok Lee, Woo Duck Seo, Su Tae Kang, Jong Woo Lim, Kye Man Cho

Article Affiliation:

Jin Hwan Lee

Abstract:

The objectives of this research were to evaluate antioxidant activities and nutritional components, including phenolic acid, catechin, organic acid, sugar, and amino acid, of persimmon juice from persimmons grown in different regions around Korea. Persimmon (Diospyros kaki) exhibits potent antioxidant effects in DPPH, ABTS, reducing power, and FRAP methods of analysis. The levels of nutritional constituents showed significant differences among all the samples. In particular, tartaric acid, glucose, gallic acid, epicatechin gallate and aspartic acid were observed to be the predominant component for each of their general chemical groups, with total average contents of 1876.51 mg/kg, 62.69 g/kg, 12.73 mg/kg, 208.99 mg/kg, and 31.84 mg/100 g, respectively. Interestingly, persimmons from the Hadong region presented the highest sugar (130.60 g/kg), phenolic acid (42.27 mg/kg), and catechin (527.97 mg/kg) contents in comparison with other regional samples. Moreover, this location exhibited the greatest antioxidant activity with highest total phenolic (298.01 mg GAE/kg) and flavonoid (32.11 mg/kg RE) contents. Our results suggest that strong antioxidant activities of persimmons correlate with high phenolic acid and catechin contents, particularly gallic acid and epicatechin gallate. Additionally, these two compounds may be key factors when considering the useful ingredients of persimmon.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antioxidants : CK(14410) : AC(5758)

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Sayer Ji
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