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姬松茸酸奶研制及贮藏稳定性研究

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以姬松茸发酵液和牛奶为主要原料,以嗜热链球菌和保加利亚乳杆菌为发酵剂,研制出一种具有营养保健功能的酸奶.经正交实验得出姬松茸酸奶的最佳配方为:姬松茸菌丝发酵液为8%、低聚木糖量为0.3%、白砂糖量为8%;最佳发酵条件为:接种量10%,发酵温度44℃,发酵时间6h.贮藏期内姬松茸酸奶保持良好的感官品质和稳定性:发酵15d时乳酸菌数为1.26×106cfu/mL,pH为4.08,酸度达到92.01°T,粘度在第6d后有所下降,贮藏期前后粘度变化不大.
Development of Agaricus blazei yogurt and determination on its storage stability
Agaricus blazei fermentation liquid and fresh milk were used as the main raw material,Lactobacillus bulgaricus and Streptococcus thermophilus were used as starter culture developing a kind of yogurt which had health protection function.The optimal formula and fermentation conditions which were investigated by orthogonal experiments were as follows:Agaricus blazei fermented liquid 8%,xylooligosaccharide 0.3%,white sugar 8%,inoculum 10%,fermentation temperature 44℃,fermentation time 6h.During the storage,the yogurt kept nice sensory characters and stability.The amount of lactic acid bacteria in the yogurt was 1.26 x 106cfu/mL,the pH was 4.08,the titration acid reach to 92.01°T,the viscosity had been increasing until 6d,the viscosity had no more changes during the storage.

Agaricus blazeiyogurtformula optimizationstability

方雪、刘飞、刘景、陶玉芹、潘娜

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合肥师范学院生命科学系,安徽合肥230601

姬松茸 酸奶 配方优化 稳定性

2012年国家级大学生创新创业训练计划项目

201214098001

2014

食品工业科技
北京一轻研究院

食品工业科技

CSTPCDCSCD北大核心
影响因子:0.842
ISSN:1002-0306
年,卷(期):2014.35(11)
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