Phospholipid(PL)has higher medical and nutritional values and widely applied in medical,food,Chemical industry field etc. The natural PL of yolk powder was extracted by supercritical fluid CO2 extraction(SFE-CO2)technique. The phosphorus,nitrogen and PL contents,the N/P molar ratio,the triglyceride and cholesterol of the extraction were measured by means of biochemical method,thin layer chromatography,and spectral analysis. The results showed that extracted yolk PL is 95%in purity and its N/P molar ratio is 1.003. So the SFE-CO2 technique can be used to obtain yolk PL with higher purity quality.
Lai Bingsen, Mao Zhongxing, Shen Xiaojing, Sun Shuqin. The Extraction of Yolk Phospholipid by the Technique of Supercritical Fluid CO2 Extraction[J]. Progress in Biochemistry and Biophysics,1995,22(4):366-370
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