新工艺制备高效嗜酸菌发酵剂和嗜酸菌奶粉的研究

China Dairy Industry(2013)

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Abstract
分别使两株嗜酸菌在脱脂乳水解液培养基和脱脂乳培养基中生长,通过一系列的对比实验,以及使菌体浓缩,浓菌体悬浮在添加保护剂D质量分数为10%脱脂乳中,经冷冻干燥后,所得高效嗜酸菌发酵剂中的细胞数达8.3×1010g-1。其在真空冷冻干燥后的存活率最高可达68.8%。将此高效发酵剂与奶粉混合即可制得嗜酸菌奶粉。
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Key words
starter culture,protective agent,Acidophilic bacteria
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