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Antioxidative Principals of Extracts from the Fruit of Viburnum awabuki
Abstract:
The fruit of Viburnum awabuki is an elliptical berry.The crude extract and its four fractions derived from the peel of the fruit Viburnum awabuki were evaluated for the DPPH radical scavenging ability(DRSA), hydroxyl radical scavenging capacity(HRSA) and reducing power(RP), and the content of some antioxidative compounds and the relationships between these antioxidative compounds and antioxidant activities of the crude extract (CE) and its four fractions were investigated. The results showed that the ethyl acetate-soluble fraction (EAF) was the richest fraction in total flavonoids, ascorbic acid content (45.34 and 8.92 mg/g, respectively). The ethyl acetate-soluble fraction showed good DPPH radical-scavenging activity and reducing power, while the crude extract (CE) possessed better hydroxyl radical-scavenging than other fractions. There were statistically significant correlations between some antioxidants and antioxidant activities.
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875-878
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Online since:
June 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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