Pentadecanoic acid is a 15:0 saturated fatty acid found in esterified form in the lipids of many bacterial species and in the milk fat of ruminants. It has been used as a biological marker for the intake of dairy fat in the assessment of metabolic risk factors.1,2
1.Smedman, A.E., Gustafsson, I.B., Berglund, L.G., et al.Pentadecanoic acid in serum as a marker for intake of milk fat: Relations between intake of milk fat and metabolic risk factorsAm. J. Clin. Nutr.69(1)22-29(1999) 2.Wolk, A., Vessby, B., Ljung, H., et al.Evaluation of a biological marker of dairy fat intakeAm. J. Clin. Nutr.68(2)291-295(1998)