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  • Title: [Studies on extraction process of Radix Platycodi].
    Author: Wu B, Sun J, Jiang H.
    Journal: Zhong Yao Cai; 2002 Jun; 25(6):430-2. PubMed ID: 12583340.
    Abstract:
    The orthogonal design was used to optimize the extraction process of Radix Platycodi with content of total saponin and yield of the extract as markers. Factors that have been chosen were alcohol concentration, alcohol consumption, extraction times and extraction time. Each factor has three levels. The result showed that the optimum extraction condition obtained was 70% alcohol, 3 times the amount of material, refluxing for 5 times, 60 minutes each time, the optimized process was stable and workable.
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