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目的:研究金辛镇痛流浸膏中药材提取的最佳提取工艺。方法:用正交试验设计法,以浸膏得率、总生物碱含量为考察指标,选用L_9(3~4)正交设计进行提取条件的考察。结果:最佳提取工艺为加入75%乙醇量为药材量的10倍、提取3次、每次1.5h。结论:本工艺简便、提取完全,浸膏得率、总生物碱含量高,适用于工业化大生产。
Objective: To study the best extraction technology of Jinxin analgesic extract. Methods: Using orthogonal experimental design method, taking the extract yield and total alkaloid content as the investigation indexes, the orthogonal design of L_9 (3 ~ 4) was used to investigate the extraction conditions. Results: The best extraction process for the amount of 75% ethanol was 10 times the amount of herbs, extracted three times, each 1.5h. Conclusion: The process is simple, complete extraction, extraction rate, total alkaloid content, suitable for large-scale industrial production.