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Optimization of the Technical Parameter for Persimmon Vinegar with One-step Fermentation Methodology
Author(s): 
Pages: 104-109
Year: Issue:  2
Journal: Journal of Chinese Institute of Food Science and Technology

Keyword:  柿果醋柿果浆自然发酵一步发酵工艺参数;
Abstract: 在传统自然发酵工艺基础上,为了缩短柿果醋发酵时间,以水柿为原料,采用二次正交旋转组合设计试验方案,通过响应面法研究只接种了酿酒活性干酵母的柿果醋的发酵规律及工艺参数.结果表明:发酵温度对醋酸含量有极显著的影响(P<0.01),酵母菌接种量对醋酸含量有显著影响(P<0.05).建立了柿果醋一步发酵过程中发酵温度、酵母菌接种量和发酵时间3个因素时产品醋酸含量的二次多项式数学模型.最佳工艺参数为发酵温度30.9℃、酵母菌接种量0.87‰、发酵周期178 h.验证试验表明该模型可用于指导实际生产.
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