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- W2139384290 abstract "In order to solve the pollution problem in the production of diosgenin. Adopting ultrasonic-assisted ethanol extraction technology to study the effects that different ultrasonic frequencies, various volume fractions of ethanol, different extraction durations and extraction times and various solid-liquid ratios have on the dioscin and its hydrolysant in the extraction liquid. What is more of a test on the melting point, as well as on an IR test will be carried out. In addition, a SEM observation of the cytoarchitecture of Dioscorea zingiberensis before and after the extraction will also be completed. The best condition for the ultrasonic-assisted ethanol extraction of dioscin is when the ultrasonic frequency is 35.74 KHz, solid-liquid ratio (D. zingiberensis: ethanol) 1:10, ethanol volume fraction is 75%, and when it is extracted for 30 min and for 3 times; under these conditions the hydrolysant will be the purest, the acceleration of the extraction is because the boundary layer between the cells and solvent is thinned by ultrasonic, which in turn speeds up the exchange inside and outside the cells. Key words: Dioscorea zingiberensis, ultrasonic waves, extraction, diosgenin." @default.
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- W2139384290 date "2011-07-18" @default.
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- W2139384290 title "A study on the ultrasonic-assisted ethanol extraction of dioscin" @default.
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- W2139384290 doi "https://doi.org/10.5897/jmpr.9000030" @default.
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