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  • Title: [Extraction and purification of isocorydine from Dicranostigma leptopodum].
    Author: Feng Y, Yang AM, Liu JX, Di DL, Liu YJ, Li M.
    Journal: Zhong Yao Cai; 2013 May; 36(5):807-9. PubMed ID: 24218977.
    Abstract:
    OBJECTIVE: To optimize the conditions of extraction and purification of isocorydine from Dicranostigma leptopodum. METHODS: Extraction conditions of isocorydine were selected on the basis of orthogonal experimental design, the static adsorption/desorption experiments were used to evaluate the optimum resin. RESULTS: The optimum extraction parameters were as follows: the ratio of raw materials to solvent 1:15 (g/mL), extraction solvent 1% vitriol, the extraction three times and 1 h each time. LX28 resin exhibited higher adsorption efficiency. CONCLUSION: Under the above optimum conditions, the extraction yield of isocorydine is 0.88%. The purity of isocorydine can reach 85.34% with a yield rate of 68.64%.
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