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  • Title: [Study on the extraction process for salidroside and p-tyrosol in Rhodiola crenulata].
    Author: Li C, Chen DS, Chen J, Di DL, Jiang SX.
    Journal: Zhong Yao Cai; 2006 Nov; 29(11):1239-41. PubMed ID: 17228669.
    Abstract:
    OBJECTIVE: To investigate the optimum ethanol extraction process conditions for salidroside and p-tyrosol from Rhodiola crenulata. METHODS: The extraction rate of ethanol extract and content of salidroside and p-tyrosol were chosen as the assessment index by using the orthogonal design. The ethanol content (%), solvent quantum (fold) and extracting time (hour) were reviewed. RESULTS: The optimum ethanol extraction process conditions were as follows: adding 6 fold of 80% ethanol, extracting for 2h and 2 times. CONCLUSION: The optimum extraction process can give a reference to the research of new medicine and production of industry.
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