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《Journal of Anhui Agricultural Sciences》 2008-30
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Extraction of Fructus Kochiae Oil by Solvent Method

WANG Ying-chao et al(Basic Science Department,Tianjin Agricultural College,Tianjin 300384)  
[Objective] The study was to develop and use the Fructus kochiae better.[Method] The solvent extraction method was taken to extract Fructus kochiae oil.The factors such as extraction solvent,extraction time and solid-to-liquid ratio were selected to make the single factor test.The optimum extraction technology for Fructus kochiae oil was determined through orthogonal test.[Result] When petroleum ether was extraction solvent,the oil extraction rate was the highest.When the solid-to-liquid ratio was 1∶6(g/ml),the oil extraction rate was the highest.When presoaking time was 12 h,the oil extraction rate was the highest.When the grinding particle size of Fructus kochiae was 80 meshes,the oil extraction rate was the highest and the oil quality was better.When the extraction temperature was 55 ℃,the oil extraction rate was the highest.When the reaction time was 50 min,the oil extraction rate was the highest.The effects of each factor on oil extraction rate in order was extraction temperaturesolid-to-liquid ratioextraction time.[Conclusion] The optimum extraction technology for Fructus kochiae oil was follows: with the petroleum ether as extraction solvent,presoaking time of 12 h,grinding particle size of Fructus kochiae of 80 meshes,extraction temperature of 55 ℃,extraction time of 50 min and solid-to-liquid ratio of 1∶6(g/ml).Under this condition,the oil extraction rate of Fructus kochiae reached 15.27%.
【Fund】: 国家863计划项目(2002AA648010)
【CateGory Index】: R284
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