摘要
以香菇为主要原料,辅以适量乳粉,利用乳酸菌进行发酵,采用单因素和正交试验对香菇发酵乳饮料的加工工艺进行了研究。结果表明,香菇发酵乳饮料的最佳发酵工艺为加乳量为14%,枣汁添加量为6%,接种量为1.5‰,发酵时间为12 h,此条件下发酵液总酸度可达3.98 g/L;调配时最佳配方为香菇发酵原液70%,白砂糖16%,羧甲基纤维素钠0.20%,果胶0.15%,所得香菇发酵乳饮料的风味和稳定性最佳。
Using Lentinus edodes as the main raw material and by adding appropriate amount of milk powder,the processing technology of milk beverage fermented by lactic acid bacteria was explored by single-factor and orthogonal tests. The results show that the optimal fermentation conditions of the fermented milk beverage of Lentinus edodes were amount of milk powder added14%,amount of jujube juice added 6%,inoculation 1.5‰,and fermentation time 12 h.Under these conditions,the total acidity of the fermenting liquor could reach 3.98 g/L. The best formulation for blending was the mushroom fermentation liquor 70%,white sugar 16%,CMC 0.20% and pectin 0.15%,and the fermented milk beverage obtained so had the best flavor and stability.
引文
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