Korean Journal of Human Ecology (한국생활과학회지)
- Volume 14 Issue 3
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- Pages.485-489
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- 2005
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- 1226-0851(pISSN)
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- 2234-3768(eISSN)
Studies on Changes of Isoflavone and Nutrients during Germination of Soybean Varieties
발아기간에 따른 대두 품종별 이소플라본 및 영양성분 변화
- Jeon, Su-Hyeon (Dept. of Food Science & Nutrition, Soonchunhyang University) ;
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Lee, Kyong-Ae
(Dept. of Food Science & Nutrition, Soonchunhyang University) ;
- Byoun, Kwang-Eui (Dept. of Food Science & Nutrition, Soonchunhyang University)
- Published : 2005.06.30
Abstract
The purpose of this study is to investigate changes of isoflavone and nutrients during germination of soybean varieties and to determine the optimal germination condition for soybean processing. After 5 days' germination, water content of the soybeans increased in the order of Poongsannamoolkong> Sinpaldal#2> Black#1> Jinpumkong. Ash content was higher in the order of Poongsannamoolkong> Sinpaldal#2> Jinpumkong> black#1 soybean. All varieties of the soybean samples increased in ash content during germination. Crude fat content was higher in the order of Poongsannamoolkong> Black#1> Jinpumkong> Shinpaldalkong. Crude protein content was higher in the order of Shinpaldalkong> Black#1> Jinpumkong> Poongsannamoolkong. Polypeptide subunits separated from the SDS-PAGE of the entire proteins were showing comparatively high level in the range of 2-16KD in Jinpumkong and 2-21KD in Poongsannamoolkong till the first day of germination, 2-25KD in Sinpaldal#2 till the second day, and 6-27KD in Black#l till the third day. Changes of total isoflavone contents during germination showed different patterns in soybean varieties: Jinpumkong and Black#1 had the highest total isoflavone content on the fourth day of germination, Poongsannamoolkong and Sinpaldal#2 on the first and the second day of germination, respectively.
대두의 길이와 무게는 발아기간에 따라 4품종 모두 증가하였고, 특히 콩나물용 풍산나물콩은