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Variation of Seed Component Contents in Wild Soybean(Glycine soja Sieb. & Zucc.)  

Yun Hong-Tae (National Institute of Crop Science, RDA)
Seo Min-Jung (National Institute of Crop Science, RDA)
Kim Sun-Lim (National Institute of Crop Science, RDA)
An Sun-Ok (National Institute of Crop Science, RDA)
Kim Si-Ju (National Institute of Crop Science, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.50, no.spc1, 2005 , pp. 108-111 More about this Journal
Abstract
Studies were conducted to develop new breeding resources using wild soybean (Glycine soja Sieb. & Zucc.) species. In 132 wild soybeans, the average crude protein content was $45.4\%$, ranged from $37.4\%\;to\;50.2\%$ and average crude oil content was $9.3\%$ showing lower than cultivated soybean. The average total amino-acids content was $19,214\;{\mu}g/g$, containing $252\;{\mu}g/g$ of methionine and $103\;{\mu}g/g$ of cysteine, a sulfur containing amino-acid. In ratio of individual amino-acids, the glutamic acid, methionine and cystein content was $16.1\%,\;1.3\%,\;and\;0.5\%$, respectively. The correlation between total amino-acid and sulfur containing amino-acid was not significant. Total isoflavone concentration was, on average, $1,105\;{\mu}g/g$ in wild soybean germplasm. As a result of comparison with total isoflavone and genestein contents, significant positive correlations were observed between total isoflavone and genistein concentration.
Keywords
wild soybean; seed; yield; protein; amino-acid; isoflavone;
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