Journal
FOODS
Volume 12, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/foods12040750
Keywords
milk fat globule membrane (MFGM); polar lipids; buttermilk; butterserum; MFGM proteins
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Recent studies have shown that regular consumption of milk fat globule membranes (MFGMs) has positive effects on neural and cognitive development, as well as immune and gastrointestinal health in infants and elders. Dairy by-products generated from the butter and butter oil manufacturing process are valuable sources of MFGM. Therefore, it is important to conduct research on the utilization of these by-products to obtain MFGM-enriched ingredients for the production of biologically active products.
Recent studies have demonstrated the positive effects of regular intake of milk fat globule membranes (MFGMs) on neural and cognitive development, as well as immune and gastrointestinal health in infants and elders. Dairy products and by-products generated from the butter and butter oil manufacturing process are valuable sources of MFGM. Thus, in view of the growing need to reduce by-products and waste, it is crucial to foster research aimed at the valorization of dairy by-products rich in MFGM. For this purpose, all the by-products coming from butter and butter oil production (from raw milk to the related by-products) were used to study the MFGM isolated fractions, followed by their characterization through a combined lipidomic and proteomic approach. The patterns of polar lipids and proteins indicated that buttermilk (BM), butterserum (BS), and their mix (BM-BS blend) are the most suitable by-products to be employed as starting material for the isolation and purification of MFGMs, thus obtaining MFGM-enriched ingredients for the manufacture of products with high biological activity.
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