Optimal Extraction of Effective Constituents from Radix Salvia Based on Central Composite Design/Response Surface Methodology
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Optimal Extraction of Effective Constituents from Radix Salvia Based on Central Composite Design/Response Surface Methodology
Chinese Journal of Experimental Traditional Medical FormulaeVol. 16, Issue 17, Pages: 28-31(2010)
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Published:2010
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HUANG Yuan-hong, WEI Tian-xi, ZHANG Fa-sheng, et al. Optimal Extraction of Effective Constituents from Radix Salvia Based on Central Composite Design/Response Surface Methodology[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(17): 28-31.
DOI:
HUANG Yuan-hong, WEI Tian-xi, ZHANG Fa-sheng, et al. Optimal Extraction of Effective Constituents from Radix Salvia Based on Central Composite Design/Response Surface Methodology[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(17): 28-31.DOI:
Optimal Extraction of Effective Constituents from Radix Salvia Based on Central Composite Design/Response Surface Methodology
ObJective: To optimize the process of extracting effective constituents from Radix Salvia by central composite design/response surface methodology. Method: The effects of influence factors such as solvent fold
ethanol concentration and extract time on extraction rate of tanshinone Ⅱa and salvianolic acid were investigated by using box-behnken design and response surface method. The data were imitated using multi-linear equation and second-order polynomial equation. Result: Multiple correlation coefficients from second-order polynomial equation were prior to those from multi-linear equation. The optimum condition of extraction process was 9 fold solvent
1.5 hours for decoction
and 3 times for extraction; the ethanol concentration was 60%. Bias between observed and predicted values was less than 3%. Conclusion: The optimum model was highly predictive.