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. 1979 Apr 27;573(1):222-6.
doi: 10.1016/0005-2760(79)90191-7.

Molecular species of phosphatidylcholine from rat gastric mucosa

M K Wassef, Y N Lin, M I Horowitz

Molecular species of phosphatidylcholine from rat gastric mucosa

M K Wassef et al. Biochim Biophys Acta. .

Abstract

Phosphatidylcholine of rat gastric mucosa were found to constitute about half of the total phospholipids. The composition of 20 molecular species accounting for approx. 90% of the total phosphatidylcholine was determined by specific enzymic hydrolyses and AgNO3 thin-layer and gas-liquid chromatography. Disaturated (dipalmitoyl) phosphatidylcholine made up about 31% of the total phosphatidylcholines. Other species which occurred in significant concentrations included 16:0/18:1, 18:0/18:1, 16:0/18:2, 18:0/18:2, 16:0/18:3, 18:0/18:3, 16:0/20:4, and 18:0/20:4. These results indicate that rat gastric mucosa is similar to lung in that both contain elevated amounts of dipalmitoyl phosphatidylcholine. Other similarities between these two tissues are discussed.

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