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KMID : 1041220050470020093
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Journal of Sericultural and Entomological Science
2005 Volume.47 No. 2 p.93 ~ p.98
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Antioxidant Capacity Analysis of Water-Soluble Substances according to Maturity Stages in Yield-type Mulberry Leaves and Fruits Collected from Kang-Won Province
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Kim Hyun-Bok
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Abstract
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The antioxidant capacity of yield-type mulberry leaves and fruits (Morus alba L., M. bombycis Koidz, and M. Lhou (Ser). Koidz) collected from In-je, Won-ju and Yang-yang regions, Kang-won province, Korea, was investigated with minium L-100 device and ARAW-KIT (anti-radical ability of water-soluble substance), in comparison to the ascorbic acid. The results indicated that total antioxidant capacity of yield-type mulberry leaves was 2711.2 nmol (ascorbic acid equivalents). The highest stage of antioxidant capacity (3587.6 nmol) was opening stage of five leaves in spring. Especially, antioxidant capacity of mulberry leave collected from In-je region was high than that of other regions. No. 7 mulberry leave showed the strongest antioxidant capacity (6184.9 nmol) at opening stage of five leaves in spring. Also, fluit growing condition including fruit size and yield was good, too. Therefore, No. 7 mulberry three from In-je region, possessed not only high antioxidant capacity but also considerable fruit quality, was selected as potent resource for mulberry breeding and functional material development.
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KEYWORD
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Mulberry leaves, Fruits, Antioxidant capacity, Ascorbic acid, Yield-type, Resource
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