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Pentadecanoic acid in serum as a marker for intake of milk fat: relations between intake of milk fat and metabolic risk factors.
1999 (English)In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 69, no 1, p. 22-9Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The fatty acid composition of the diet is known to be partially reflected by the fatty acid composition of serum lipids.

OBJECTIVE: We examined whether pentadecanoic acid (15:0) in serum lipids can be used as a marker for intake of milk fat, the major dietary source of 15:0. We also investigated the relations between intake of milk fat and cardiovascular disease risk factors.

DESIGN: Sixty-two 70-y-old men completed 7-d dietary records. The intake of milk products was studied in relation to the proportions of 15:0 in serum cholesterol esters and phospholipids, as well as to the clinical characteristics of these men, by using Spearman's rank correlation.

RESULTS: The proportions of 15:0 in serum cholesterol esters were positively related to butter intake (r = 0.36. P = 0.004) and to the total amount of fat from milk products (r = 0.46, P < 0.0001): 15:0 in phospholipids was related to the amount of fat from milk and cream (r = 0.34, P = 0.008) and to the total amount of fat from milk products (r = 0.34, P = 0.008). Inverse associations were found between intake of milk products and body mass index, waist circumference, LDL-HDL ratio, HDL triacylglycerols, and fasting plasma glucose, whereas relations to HDL cholesterol and apolipoprotein A-I tended to be positive.

CONCLUSIONS: The results suggest that 15:0 in serum can be used as a marker for intake of milk fat. The explanation for the inverse associations between the intake of milk products and certain cardiovascular risk factors is not known.

Place, publisher, year, edition, pages
1999. Vol. 69, no 1, p. 22-9
National Category
Other Clinical Medicine
Identifiers
URN: urn:nbn:se:uu:diva-394853DOI: 10.1093/ajcn/69.1.22PubMedID: 9925119OAI: oai:DiVA.org:uu-394853DiVA, id: diva2:1359641
Available from: 2019-10-09 Created: 2019-10-09 Last updated: 2019-10-09

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