Influence of different raw materials on the quality of wine white peony
Objective To compare effects of rice wine made from different raw materials on the internal quality of Paeoniae Radix Alba slices after the preparation process,and to provide experimental basis for establishing the quality standard of wine used as processing ac-cessories.Methods The three factors of processing temperature(A),processing time(B)and dosage of rice wine(C)were investiga-ted by using the Box Behnken response surface design method.The comprehensive score of 5 index components,gallic acid,catechin,oxypaeoniflorin,albiflorin and paeoniflorin,were used as the evaluation index.Establish the best process of preparing Paeoniae Radix Alba pieces with wine.Under this process condition,6 batches of Paeoniae Radix Alba pieces with wine were obtained with different types of yellow rice wine as auxiliary materials.Principal component analysis and cluster analysis were used to evaluate the detection re-sults.Results The contents of gallic acid,catechin,oxypaeoniflorin and paeoniflorin in the decoction pieces of broomcorn millet rice wine group were higher than those of other rice wine groups,and the content of albiflorin in foxtail millet rice wine group was higher than that of other groups.The results of principal component analysis were as follows:broomcorn millet rice wine＞dried potato rice wine＞glutinous rice wine＞foxtail millet rice wine＞rice wine＞red yeast rice wine.The best processing technology of Paeoniae Radix Alba pieces with wine:the optimum processing temperature was 84.6779℃,the processing time was 9.5012 min,and the dosage of rice wine was 9.639％.Conclusion Different kinds of auxiliary rice wine have different effects on the intrinsic quality of Paeoniae Radix Alba slices.It is recommended to use broomcorn millet rice wine as the auxiliary wine for the preparation of wine Paeoniae Radix Alba pieces.The Box-Behnken response surface method is feasible and has strong practical significance,which provides a scientific basis for the pro-duction of wine Paeoniae Radix Alba pieces.
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