In order to optimize the clarifying process of Dejiang Red Gastrodia beverage,the optimum process conditions were determined through single factor test and response surface design test:amylase addition amount was 0.01%,treatment temperature was 25℃,pH was 5,and treatment time was 2 h.The gastrodia beverage prepared under these conditions is bright yellow in color,clear and transparent,and has a strong gastrodia flavor.
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