氢氧化钾浓度和温度对水稻碱消值测量的影响

来源 :云南农业大学学报(自然科学) | 被引量 : 0次 | 上传用户:liongliong509
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糊化温度是决定稻米食味与蒸煮品质的重要因素,而碱消值则是衡量稻米糊化温度的关键指标。为了研究测定条件对稻米碱消值测定结果的影响,设计4种不同的氢氧化钾浓度和温度条件并测定了100个云南传统稻种在这4种测定条件下的碱消值。结果显示,温度对稻米碱消值的测定结果没有显著影响(P〉Q05),在20℃和30℃条件下所测得的碱消值没有显著差异(P〉0.05),因此测定中可用室温代替30℃恒温。但氢氧化钾的浓度对稻米碱消值的测定结果有显著影响,1.5%氢氧化钾条件下测得的碱消值显著低于1.7%氢氧化钾条件下所测得的(P
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