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KMID : 1134820110400071043
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Journal of the Korean Society of Food Science and Nutrition
2011 Volume.40 No. 7 p.1043 ~ p.1047
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Antioxidant Content and Activity in Methanolic Extracts from Colored Barley
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Park Soo-min
Choi Young-Min
Kim Young-Wha
Ham Hyeon-Mi
Jeong Heon-Sang
Lee Jun-Soo
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Abstract
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We examined the antioxidant content and activity in methanolic extracts from split polished barley (Spb), pearled black barley (Pbb), hulled yellow barley (Hyb), hulled purple barley (Hpb), and hulled black barley (Hbb). The extraction yields of Spb, Pbb, Hyb, Hpb, and Hbb were 2.85, 3.62, 4.62, 4.41, and 6.58%, respectively. The polyphenolic and flavonoid contents were 57.93 and 24.02 for Spb, 64.01 and 27.92 for Pbb, 122.88 and 36.38 for Hyb, 134.94 and 36.51 for Hpb, and 163.43 and 39.70 ㎎/100 g for Hbb, respectively. The antioxidant activity of hulled barley was significantly higher than that of split or pearled barley. The results of this study show that the antioxidant activity in barley bran has significant health benefits.
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KEYWORD
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colored barley, antioxidant activity, polyphenolics, flavonoids, bran
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