Optimization for Microwave-Assisted Extraction of Total Triterpenoids from Schisandra chinensis by Response Surface Method

Abstract:

In this study,response surface methodology(RSM) was applied to optimize the extraction conditions of total triterpenoids from Schisandra chinensis(Turcz.) Bail by microwave-assisted l.Based on the results of the single factor experiments,alcohol concentration,extraction time,pretreatment agents were studied with a central-composite design.The predictive quadratic equations model was developed by Design Expert software.The optimal conditions of microwave extraction of triterpenoids from Schisandra chinensis(Turcz.) Baill were achieved and listed as follows: alcohol concentration 53.6%,extraction time 1.89min,multipl 4.6.Under the optimum conditions,the yield of total triterpenoids is achieve at 2.137%,this data exhibited a good agreement with the value predicted by the model.