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  • Title: Petroselinic acid from dietary triacylglycerols reduces the concentration of arachidonic acid in tissue lipids of rats.
    Author: Weber N, Richter KD, Schulte E, Mukherjee KD.
    Journal: J Nutr; 1995 Jun; 125(6):1563-8. PubMed ID: 7782911.
    Abstract:
    Studies in vitro have revealed that triacylglycerols containing petroselinoyl [18:1(n-12)] moieties are hydrolyzed by pancreatic lipase at much lower rates than other triacylglycerols. To assess the lipolysis and absorption in vivo of such unusual triacylglycerols, diets containing 120 g seed oil triacylglycerols of coriander (Coriandrum sativum) per kg diet at a level of 72 g 18:1(n-12) moieties/100 g oil were fed to a group of weaned male Wistar rats without restriction for a period of 10 wk. For comparison, groups of rats were fed similar isocaloric diets containing plant oil triacylglycerols with various levels of oleoyl [18:1(n-9)] moieties, e.g., high oleic sunflower seed oil [75 g 18:1(n-9)/100 g oil], olive oil [(66 g 18:1(n-9)/100 g oil], medium oleic rapeseed oil [54 g 18:1(n-9)/100 g oil] and conventional high linoleic sunflower seed oil [25 g 18:1(n-9)/100 g oil]. All diets were supplemented with 20 g corn oil/kg diet. Consumption of coriander oil, compared with the other oils, led to significantly greater liver weights. No significant differences were observed among the groups fed various levels of oleic acid in body weight, the weights of heart, liver, kidneys, spleen or testes, lipid content of heart, or total cholesterol, HDL cholesterol and triacylglycerol concentrations of blood plasma. Ingestion of coriander oil led to incorporation of 18:1(n-12) into heart, liver and blood lipids and to a significant reduction in the concentration of arachidonic acid in the lipids of heart, liver and blood with a concomitant increase in the concentration of linoleic acid compared with results for the other groups.(ABSTRACT TRUNCATED AT 250 WORDS)
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