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目的考察不同粒度对紫石英水煎出物和有效元素的影响。方法采用L9(34)正交设计法对紫石英的提取工艺进行优选。结果优选的最佳提取工艺为取净紫石英,加入10倍量的水,提取3次,每次1 h。结论 20~24目及更细紫石英水煎出物和有效元素钙的含量明显增多,建议以20~24目紫石英入药。
Objective To investigate the effects of different particle sizes on the water extract and effective elements of purple quartz. Methods The extraction process of Amethyst was optimized by L9 (34) orthogonal design. Results The best extraction process is to take a net purple quartz, add 10 times the amount of water, extracted three times, each 1 h. Conclusion The contents of 20 ~ 24 mesh and finer Amethyst decoction and effective elemental calcium are obviously increased. It is suggested that 20 ~ 24 mesh Amethyst be used as medicine.