摘要
目的探讨连参通淋片中挥发油的提取及包合工艺。方法采用L_9(3~4)正交试验设计,以浸泡时间(A)、药材粒径(B)、加水量(C)、提取时间(D)为考察因素,优化挥发油的提取工艺;采用中心组合设计优化包合工艺中的β-环糊精用量、包合时间、包合温度、加油速率。结果挥发油提取的优化组合为A_1B_3C_2D_3,其中药材粒径和提取时间对收率具有极显著性影响;饱和水溶液法最佳工艺为10倍于挥发油的β-环糊精、43℃包合温度、40 mL/min的加油速率,包合时间5 h。结论中心组合设计可用于包合工艺优化,所建立的模型预测性良好。
Objective To investigate the extraction and inclusion process of volatile oil from Lianshen Tonglin Tablets.Methods The extraction process of volatile oil was optimized by L_9(3~4) orthogonal test design with immersion time(A),particle size(B),water addition(C)and extraction time(D) as the investigation factors.The β-cyclodextrin concentration,inclusion time,inclusion temperature and oil filling rate in the inclusion process were optimized by central combination design.Results The optimum combination of volatile oil extraction was A_1B_3C_2D_3,in which the particle size and extraction time had a significant effect on the yield.The optimum process of saturated water solution method was as follows : β-cyclodextrin was 10 times as much as volatile oil,the inclusion temperature was 43 ℃,the oil filling rate was 40 mL/min,and the inclusion time was 5 h.Conclusion The central composite design can be used to optimize the inclusion process,and the established model has good predictability.
引文
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