2013•Zhongguo yaofangRequires access

Optimization of Water-extraction Technology for Danqitong Tablets by Orthogonal Test

Huang Minna

Abstract

OBJECTIVE:To optimize the water-extraction technology of Danqitong tablets.METHODS:The water-extraction technology of Danqitong tablets was optimized by orthogonal test with volume of water(A),decoction time(B),decoction times(C) and particle size of crude drugs(D) as factor using yield of extract and the contents of total saponins of Astragali Radix as index.RESULTS:The best extraction condition was as follows:adding 8-fold water,decocting two times,lasting for 2 h each time,coarse medicinal powder.CONCLUSION:The optimal extraction technology is stable,feasible and good repeatable.Therefore,it's good for the extraction of Danqitong tablets.

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Key concepts: Decoction, Extraction (chemistry), Water extraction, Chromatography, Radix (gastropod), Yield (engineering), Chemistry, Traditional medicine