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Effects of Germinated Soybean Powder Addition on Isoflavone Contents and Characteristics of Injulmi  

Jung, Jin-Young (Department of Food Science and Nutrition, Daejin University)
Kim, Woo-Jung (Department of Food Science and Technology, Sejong University)
Chung, Hai-Jung (Department of Food Science and Nutrition, Daejin University)
Publication Information
Korean journal of food and cookery science / v.22, no.4, 2006 , pp. 545-551 More about this Journal
Abstract
The effects of the addition of germinated soybean powder on Injulmi characteristics were investigated in this study. Injulmi was prepared with five different levels of germinated soybean powder (0%, 4%, 8%, 12% and 16%)and the physical properties were examined. The moisture content decreased, while the protein, fat and ash contents increased With increasing germinated soybean powder content. Total isoflavone contents, 3.39${\sim}$15.35 mg% before cooking, slightly increased to 3.94${\sim}$15.96 mg% after cooking. Genistin, genistein, daidzin and daidzein, which are blown to be the major functional isoflavones, accounted for approximately 93% of total isoflavone contents. The color of Injulmi darkened slightly and became greenish yellow with the addition of germinated soybean powder. Textural profile analysis showed that hardness and gumminess increased, but cohesiveness and springiness decreased with increasing germinated soybean powder level. Sensory test showed that Injulmi prepared with up to 8% added germinated soybean powder was evaluated as being equally acceptable as Injulmi without germinated soybean powder.
Keywords
germinated soybean powder; Injulmi; isoflavone;
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