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Busuge is conventional snack food in Korea which is made from steeped glutinous rice. The effect of the steeping time on total acidity, viscosity, canons, phosphorus and raising power of glutinous rice was investigated. Total acidity was increased from 0.3 to 1.02% by steeping for 20 days at 10℃. Viscosity was increased from 25.5 to 32.4 cP after 14 days steeping and thereafter decreased to 23.5 cP. K, Na, Ca, Mg and P were leached 68, 67, 85 and 16% on 20 days steeping, respectively. K, Na and P were leached in the initial period, and Ca, Mg in the middle period of steeping. Raising power was increased according to the acidity increase and leaching of Ca, Mg and inorganic phosphorus during steeping. However, influence of the former on raising power was greater than the after.
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