Abstract
Summary
Samples of thoracic duct lymph were obtained from unanesthetized dogs at timed intervals for up to 24 hours after feeding a synthetic diet containing either olive oil or partially hydrogenated vegetable oil. The total lipid extracted from the diets and from all lymph samples was analyzed for specific fatty acid percentage composition by gas-liquid chromatography. Only small differences were revealed between the fatty acid pattern of the diet lipid and that of the lymph samples containing high concentrations of total lipid. These differences were independent of time after feeding. Large differences were revealed between the fatty acid pattern of the diet lipid and that of the lymph samples containing low concentrations of total lipid. These differences were attributed to a marked disparity between the fatty acid composition of endogenous lymph lipid and that of the previously fed diet lipid.
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