Changes in the fatty acid profiles and health indexes of bovine colostrum during the first days of lactation and their impact on human health

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Authors

FARKOVÁ Veronika KŘÍŽOVÁ Ludmila DADÁKOVÁ Kateřina FARKA Zdeněk MASCREZ Steven EGGERMONT Damien PURCARO Giorgia KAŠPAROVSKÝ Tomáš

Year of publication 2024
Type Article in Periodical
Magazine / Source Food Chemistry
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/abs/pii/S0308814624006915
Doi http://dx.doi.org/10.1016/j.foodchem.2024.139042
Keywords Bovine colostrum; Fatty acid; Two-dimensional gas chromatography with vacuum ultraviolet detector; GC×GC-VUV; Lactation; Days in milk
Description Our objective was to analyze the changes in fatty acid (FA) profiles of bovine colostrum and immature milk during the first four days of lactation and assess their potential impact on human health. Colostrum and immature milk samples were collected from Czech Fleckvieh cows during their first to third lactation and the FA profiles were analyzed using multidimensional gas chromatography with a vacuum ultraviolet detector (GC×GC-VUV). The colostrum of primiparous cows contained lower levels of medium-chain and saturated fatty acids, and higher levels of mono- and unsaturated fatty acids compared to that of multiparous cows. The atherogenic and thrombogenicity indexes, as well as the hypocholesterolemic-to-hypercholesterolemic fatty acid ratio, were more favourable in primiparous cows. This makes colostrum fat an attractive product for human nutrition. To obtain the maximum health benefits, we recommend collecting and processing the colostrum of primiparous cows and immature milk at the end of the milk transition separately.
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