酵母味素综合抽提技术的研究Investigation on complex extraction technique of yeast gourmet
焦宇知
摘要(Abstract)：
研究了从啤酒废酵母中抽提酵母味素的综合技术。结果表明,酵母味素的最佳工艺条件为:脱苦用NaHCO3为0.5%,采用30MPa压力两次均质8%~12%的酵母泥悬浮液,自溶初加入葡聚糖酶,自溶时加入3%的NaCl溶液,温度为55℃,自溶时间为24h,其中,自溶10h后加入2.0%的复合蛋白酶,自溶初始pH为7.0。自溶结束后加核苷酸酶水解3h,氨基氮含量为5.7g/L,氨基态氮得率为6.87%,核苷酸含量达到2.62%。产品口味纯正,香气浓郁。
关键词(KeyWords)： 酵母味素;抽提;核苷酸
基金项目(Foundation): 江苏省“青蓝工程”资助
作者(Author): 焦宇知
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