Abstract
THE CONCENTRATION OF LECITHIN, CEPHALIN, ETHER-INSOLUBLE PHOSPHATIDE, AND CEREBROSIDES IN PLASMA AND RED BLOOD CELLS OF NORMAL ADULTS
Highlights
Owing to the lack of suitable micromethods few data are available in the literature on the concentration in the blood of the individual phosphatides and of cerebrosides
The few lecithin and cephalin blood values reported are invalidated by the fact that inclusion of sphingomyelin in the analyses has not been considered
The presence of cephalin and sphingomyelin in the red blood cells of man and sheep was demonstrated by Burger and Beumer (1) in 1913
Summary
Owing to the lack of suitable micromethods few data are available in the literature on the concentration in the blood of the individual phosphatides and of cerebrosides. The few lecithin and cephalin blood values reported are invalidated by the fact that inclusion of sphingomyelin in the analyses has not been considered. The presence of cephalin and sphingomyelin in the red blood cells of man and sheep was demonstrated by Burger and Beumer (1) in 1913. Thannhauser and Setx (6) published the results of analyses of ten normal human sera, in which the diaminophosphatide was scparated from the monoaminophosphatide by precipitating the former as the reineckate. From the data reported in the literature it appears doubtful, whether lecithin is a normal constituent of the red blood corpuscles, as Burger and Beumer (1). (1913) and Haurowitz and SlBdek (2) (1928) failed to detect any choline after saponification of the ether-soluble phosphatide fraction
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