Pentadecanoic acid is an odd numbered fatty acid with a 15-carbon backbone (15:0) and widely considered as one biomarker to assess dairy consumption/intake. It is not normally synthesized by humans, but is found in trace amounts in dairy products (milk fat) and ruminant meat fat.
– When measuring fatty acids in whole plasma (not erythrocytes), increased levels of pentadecanoic acid correlate to a more than twofold higher risk of coronary heart disease.
– Pentadecanoic acid is positively correlated with total dairy intake.
– As a possible way to lower penntadecanoic acid level one can reduce overall dairy intake as part of a healthy diet that is rich in fruits, vegetables, and whole grains, but low in sodium, red meats, dairy, sugar sweetened beverages and trans fats.
– Pentadecanoic acid can accumulate in a vitamin B12 deficiency.
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