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Effect of long term feeding of palm oil on growth and lipid metabolism in rats.

Hariharan, K. and Purushothama, S. and Murthy, K. N. and Raina, P. L. (1992) Effect of long term feeding of palm oil on growth and lipid metabolism in rats. Nutrition Research, 12 (7). pp. 867-877.

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4 groups of male Wistar rats (n=10) were fed freely for 18 weeks on diets containing casein, starch, vitamins and minerals to which palm oil was incorporated at 5 and 20%. Rats fed on peanut oil were used as controls. 20% oil-fed groups gained more weight than 5% oil-fed groups. However, liver cholesterol values in 20% peanut oil-fed groups were lower when calculated in relation to liver weight. Triacylglycerols were higher in 20% oil-fed groups. Analysis of liver and plasma fatty acids indicated that palm oil-fed groups had a higher content of saturated fatty acids such as palmitic, stearic and monounsaturated fatty acids (oleic, palmitoleic) and low levels of linoleic acid. The oleic/linoleic acid ratio in plasma and liver correlated with the types of fat consumed whereas the polyunsaturated:saturated ratios, although were the same in the plasma, indicated storage of linoleic acid in the liver. It is indicated that long term feeding of palm oil does not have any adverse effect in rats.

Item Type: Article
Uncontrolled Keywords: blood-lipids; liver-; fatty-acids; growth-; lipid-metabolism; palm-oils; intake-
Subjects: 600 Technology > 08 Food technology > 19 Lipids-oils/fats
600 Technology > 01 Medical sciences > 12 Metabolism
Divisions: Food Safety Analytical Quality Control Lab
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 09 Mar 2011 09:42
Last Modified: 28 Dec 2011 09:54
URI: http://ir.cftri.com/id/eprint/6538

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