Optimization Processing Technology of Bletilla Striata by the Orthogonal Test Based on Entropy Weight Method
Objective:Optimizing the processing of Bletilla striata.Methods:Using the orthogonal design combined with multiple indicators,with moistening temperature,slice thickness,and drying temperature as influencing factors,water content,ash content,polysaccharide content of Bletilla striata,and the content of militarine as indicators,a four factor and three level orthogonal experiment L9(34)was designed;The entropy weight method is used to calculate the information entropy and weight coefficient of each index,and the comprehensive score is made to optimize and verify the processing technology of Bletilla striata.Result:The preparation process of Baiji is as follows:Taking Bletilla striata medicinal herbs,dividing them into different sizes,washing them with clean water,add water to soak at 40 ℃ for 48 hours,soften the medicinal herbs,cutting them into 1mm thin slices,and drying them at 70 ℃ to obtain Bletilla striata decoction pieces.Conclusion:The optimized processing technology for Bletilla striata is stable and feasible.
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