Objective To optimize the extraction technique for Modified Danggui Buxue Concentrated Pills.Methods The extraction technique was studied by orthogonal design with the yield of astragaloside Ⅳ and total polysaccharides as the investigative indexes.Results The optimal extraction technique is as follows: adding 8-fold water,decocting 3 times and lasting 70 minutes for each time.Conclusion The optimized extraction technique is simple,reasonable and stable,which supplies experimental evidence for the further development of Modified Danggui Buxue Concentrated Pills.
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