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KMID : 1011620140300010033
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Korean Journal of Food and Cookey Science
2014 Volume.30 No. 1 p.33 ~ p.40
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Antioxidative Activity of Feral Haw (Crataegus pinnatifida BUNGE) Seed Extracts Using Various Solvents
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김민아:Kim Min-A
:Yishan Duan/성종환:Seong Jong-Hwan/정헌식:Chung Hun-Sik/김한수:Kim Han-Soo
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Abstract
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The purpose of this study was to examine the antioxidative activity of feral haw (Crataegus pinnatifida BUNGE) seed extracts using 70% methanol, 70% ethanol, chloroform:methanol (CM, 2:1, v/v), n-butanol and ethyl acetate (EA). The total phenol content of the five extracts ranged from 37.29 mg/g to 55.53 mg/g. Moreover, the content was high in the 70% methanol and, 70% ethanol extracts, but low in the n-butanol extract. On the contrary, the total flavonoid content decreased in the order of n-butanol (2.93 mg/g), EA (2.67 mg/g), 70% methanol (1.00 mg/g), 70% ethanol (0.88 mg/g) and CM (0.67 mg/g) extracts. The NO2 radical scavenging activity, antioxidant activity by β-carotene bleaching assay and, superoxide dismutase (SOD) like ability decreased in the order of 70% methanol, 70% ethanol, CM, EA and, n-butanol extracts; further, a similar tendency was also observed in the total phenol contents. Overall, these results indicated that the antioxidative activity of feral haw seeds was closely related to the total phenol and flavonoid contents. Therefore, haw seeds might be usefully applied to natural antioxidants as well as functional foods.
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KEYWORD
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Crataegus pinnatifida BUNGE, antioxidation, total phenol, flavonoid, superoxide dismutase
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