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《Jiangxi Chemical Industry》 2010-01
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The optimum conditions forextraction of lecithin from the fish-scale of grass carp

Chen xianjie Wu sen Li Hong (Department of chemistry,Hanshan Normal University)  
This paper deals with extracting lecithin from the fish-scale of grass carp and determining its optimum conditions.Lecithin from the fish-scale of grass carp was extracted using ethanol.The effects of time,temperature,the amount and concentration of ethanol on extraction rate were studied.The results showed that time,temperature,the amount and concentration of ethanol all affect extraction rate.It is found out that concentration of ethanol is the main factor by means of orthogonal design.The optimum conditions that lecithin is extracted with ethanolare: 25℃;1 h(extraction time);weight of fish-scale: volume of ethanol =1∶20(mL/g);95% ethanol.
【CateGory Index】: TS254.9
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