Seasonal changes in the fat composition and concentration of citrate and related metabolites in cows' milk

Seasonal variations were observed in the proportion of long-chain (C18 and over) and medium-chain (C6–14) fatty acids (FA) in milk fat. Long-chain FA were proportionately higher during the period June to October. Changes were also observed in the concentrations of citrate, isocitrate and 2-oxoglutar...

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Bibliographic Details
Published in:Journal of dairy research 1986-05, Vol.53 (2), p.223-227
Main Authors: Faulkner, Anne, Brechany, Elizabeth Y., Mabon, Richard M., Pollock, Helen T.
Format: Article
Language:English
Subjects:
Biological and medical sciences
calcium
citrates
fatty acids
Food industries
Fundamental and applied biological sciences. Psychology
magnesium
metabolites
milk
Milk and cheese industries. Ice creams
milk fat
Original Articles
seasonal variation
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Summary:Seasonal variations were observed in the proportion of long-chain (C18 and over) and medium-chain (C6–14) fatty acids (FA) in milk fat. Long-chain FA were proportionately higher during the period June to October. Changes were also observed in the concentrations of citrate, isocitrate and 2-oxoglutarate in milk. Changes in [isocitrate]: [2-oxoglutarate] correlated positively with changes in the proportion of long-chain FA in milk fat and negatively with the proportion of medium-chain FA.
ISSN:0022-0299
1469-7629
DOI:10.1017/S0022029900024821