Abstract
Studies are reported on the effect of feeding diets containing rapessed oils differing in their erucic acid content to male weanling rats for 16 weeks. Rapeseed oil high in erucic acid depressed growth. Total lipids, lipid phosphorous and cholesterol, in the livers were not significantly different between the experimental groups. The fatty acid composition of the total liver lipids, the neutral lipids, phosphatidylethanolamine and phosphatidylcholine are documented. Erucic and eicosenoic acids were found in all lipid classes at the same relative concentration; the amount being incorporated was proportional to that found in the dietary oil. The positional analysis of phosphatidylethanolamine and phosphatidylcholine are presented. Erucic acid was incorporated preferentially at position two of these phospholipids, whereas, twice the level of eicosenoic acid was found at position one, compared to that which occurred at the two position.
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This article represents part of an extensive experiment carried out by Agriculture Canada to investigate the nutritional value of rapeseed oils (see ref. 15).
Contribution No. 497 from the Animal Research Institute.
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Kramer, J.K.G. Changes in liver lipid composition of male rats fed rapeseed oil diets. Lipids 8, 641–648 (1973). https://doi.org/10.1007/BF02533149
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DOI: https://doi.org/10.1007/BF02533149