Abstract
Summary
1) The influence of age upon radioactive turnover and chromatographic separation of the individual phospholipides was studied in female mice. 2) There was an increase in concentration of mUg phospho-lipide P/mg liver N for the 8 to 60 day old mice after which the concentration remained unchanged with age. There was little change in % of total lipide phosphorus for the various phospholipide fractions with respect to age. However, the relative specific activities of each phospholipide fraction were greater in the younger mice.
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