Optimization of microwave-assisted extraction for picroside I and picroside II from

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Frontiers of Chemical Science and Engineering

2014, Volume 8, Issue 4, Pages 445-453

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Optimization of microwave-assisted extraction for picroside I and picroside II from

10.1007/s11705-014-1458-2

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Abstract

The response surface methodology was employed to study the optimization of microwave-assisted extraction of picroside I and picroside II from Royle rhizomes. The effects of solid to solvent ratio, and extraction temperature, time and solvent on the yields of picroside I and picroside II have been investigated using Box-Behnken experimental design. The experimental data were fitted to second-order polynomial equations using multiple regression analysis and analyzed using the appropriate statistical method. By solving the regression equation and analyzing 3-D plots, the optimum extraction conditions were found to be: solid to solvent ratio, 10 : 90 (w/v); temperature, 60 °C; and extraction time, 60 s. Under the optimal conditions, the yields of picroside I and picroside II are 41.23 and 6.12 mg·g feed respectively, which are in good agreement with the predicted values. The ratio of solid to solvent significantly affects the yields of picroside I and picroside II. Application of microwave-assisted extraction of picroside I and picroside II from would dramatically reduce extraction time and solvent consumption.

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Box-Behnken design ; microwave-assisted extraction ; picroside I ; picroside II ; Picrorrhiza kurroa

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Frontiers of Chemical Science and Engineering

Optimization of microwave-assisted extraction for picroside I and picroside II from

Abstract

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Figures(5)

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其他(2)

Frontiers of Chemical Science and Engineering

Optimization of microwave-assisted extraction for picroside I and picroside II from

Abstract

Keywords

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