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Variation of protein, Oil Contents and Fatty Acid Composition of Korean Wild Soybean (Glycine soja Sieb. & Zucc.) Seeds  

Kim Kwang Chul (Yeungnam University)
Park Eui-Ho (Yeungnam University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.50, no.spc1, 2005 , pp. 118-122 More about this Journal
Abstract
This study was carried out to obtain useful information and to select promising materials for the breeding of sprout-soybean by the analysis of seed characteristics and chemical composition of Korean local wild soybean lines. For this purpose, crude protein, crude oil contents and fatty acid composition of 70 lines analysed. The crude protein content of Korean wild soybean lines ranged from 35.6 to $47.9\%$, mean was $42.34\%$, and 13 lines showed high protein content over $45\%$. The crude oil content of those ranged from 2.8 to $18.0\%$, mean was $10.2\%$, and 2 low lines were below $2\%$. The fatty acid 16:0, 18:0, 18:1, 18:2, 18:3 ranged $11.1-44.6\%,\;3.0-11.4\%,\;11.1-30.6\%,\;12.4-59.5\%,\;and\;1.1-17.3\%$ respectively, and 2 extremely low fatty acid(18:3) lines were selected. Significant correlation between crude oil and fatty acids(16:0, 18:0, 18:2), and among every fatty acid compositions were recognized. Promising wild soybean lines were selected as genetic resources for sprout-soybean breeding and research genotypes; YWS 104 and YWS189 as the high protein, YWS 28 and YWS30 as the low-crude oil and low 18:3.
Keywords
wild soybean; Glycine soja; seed composition; protein; fatty acid;
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