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药房调剂和煎药工作多年发现,中草药处方量越来越大,大部分的一付药量用传统的煎煮砂锅很难盛 下。可能有些患者或医生认为用药量大,每付药所煎出的有效成份浓度就大,疗效就好。 药材成份的浸出过程由几个相互联系的阶段综合组成,其浸出量由ds=-DF(dc/dx)dt(dt)为扩散时间,ds为在dt时间内的物质扩散量,F为扩散面积,dc/dx为浓度差)表示,可以看出,药材成份浸出过程中,在其它条件相同的情况下,浓度差越大,浸出效果越好。
Pharmacy adjustments and decoctions have been working for many years and found that the prescription of Chinese herbal medicines is getting larger and larger, and most of the doses of a Chinese herbal medicine are hard to survive in a traditional boiling casserole. It may be that some patients or doctors think that the amount of medication is large, and the concentration of effective ingredients that are fried by each drug is large, and the efficacy is good. The leaching process of medicinal ingredients is composed of several interconnected phases. The leaching amount is ds=-DF(dc/dx)dt(dt) as diffusion time, ds is the amount of substance diffusion in dt time, and F is diffusion. Area, dc/dx is the difference in concentration), it can be seen that, in the leaching process of medicinal ingredients, under the same conditions, the greater the concentration difference, the better the leaching effect.