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Respiration and Quality of Rough Rice under Unsteady Atmospheric Conditions

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概要 The respotation rates of fresh and rehydated rough rice under unsteady atmospheric conditions were measured by the pouch method, and quality attributes and amino acid content were also examined. Respi...ration rates of both fresh and rehydrated rough rice were greatly repressed under conditions of increase in CO2 and decrease in O2 concentrations at 20 and 30℃. But O2 and CO2 concentrations were decreased quicker for rehydrated rough rice due to higher respiration rate during storage period. Respiratory quotient (RQ) was fluctuated around 0.8-1.0 at over 4.4-6.4% O2 concentration, and anaerobic respiration was occured at less than this 2 level. For evaluation of quality, statistical analysis of test of significance showed that there were no significant differences in palatability between fresh and rehydrated rice for 6 items of appearence, flavor, taste, stickiness, hardness and overal evaluation. 4 and 10 kinds of free amino acids were detected from fresh and rehydrated rough rice and total free amino acid contents in fresh and rehydrated rough rice were 15.0 and 28.0mg 100g[-1], respectively.続きを見る

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登録日 2009.04.22
更新日 2017.02.02