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酿酒酵母生长代谢影响因素的测定 被引量:3

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摘要 以酿酒酵母为研究对象,通过单一变量控制,分别观察一定梯度的外界条件(温度,pH值,培养基,钙离子浓度及酒精浓度)对酵母生长和发酵的影响,探讨微生物生长代谢的规律性。结果表明,温度,酸碱度,培养基浓度,钙离子及酒精浓度是酵母生长代谢的重要影响因素。酵母最佳生长条件是:温度30℃,初始pH值为5,麦汁培养基浓度为11°BX,钙离子浓度为0.14 g.L-1,酒精浓度为1%;而酵母最适代谢条件略有不同,初始pH值为6,钙离子浓度为0.07 g.L-1,酒精浓度为0%。
作者 冯玉娟
机构地区 潍坊四中
出处 《潍坊学院学报》 2010年第6期110-112,共3页 Journal of Weifang University
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