[Study on the extraction process for salidroside and p-tyrosol in Rhodiola crenulata]
- PMID: 17228669
[Study on the extraction process for salidroside and p-tyrosol in Rhodiola crenulata]
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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