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American Journal of Clinical Nutrition, Vol 53, 474-482, Copyright © 1991 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Correlation of isomeric fatty acids in human adipose tissue with clinical risk factors for cardiovascular disease

LC Hudgins, J Hirsch and EA Emken
Rockefeller University, New York, New York.

The relationships between the adipose tissue concentrations of 19 geometric and positional fatty acid isomers and 10 cardiovascular disease risk factors were determined in 76 free-living adult males. The percentages for trans isomers (total mean +/- SD 4.14 +/- 0.97%) and cis isomers (total mean +/- SD 2.91 +/- 0.34%) in adipose tissue generally agreed with dietary estimates based on the consumption of hydrogenated oils. A major exception was the percentage of 11c-18:1, which was twofold higher in adipose tissue. The total level of fatty acid isomers in adipose tissue or a factor (derived by factor analysis) that was representative of isomers of dietary origin was not significantly correlated with the cardiovascular risk factors. Only three trans isomers (11t-18:1, 12t-18:1, and 5t-14:1) and three cis isomers (11c-18:1, 13c-18:1, and 7c-16:1) were weakly correlated either positively or negatively with age, body mass index, plasma and lipoprotein cholesterol, and/or blood pressure (P less than 0.05, r greater than 0.231).


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Copyright © 1991 by The American Society for Nutrition