Lipid Composition of Human Cerebrospinal Fluid.

Abstract
Freeze-dried chloroform-methanol extracted samples of human cerebrospinal fluid were examined by paper chromatography. Phos-phatidyl ethanolamine and ethanolamine plasmalogen were characteristically high as compared with blood plasma. Sphingomyelin, phosphatidyl choline and a small amount of choline plasmalogen were also present. The neutral lipids were composed of triglycerides, cholesterol and cholesterol ester. A plasmalogen resembling cardio-lipin was present in low concentration. The cerebrosides were not detected.

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