Progress in Nutritional and Health Profile of Milk and Dairy Products: A Novel Drug Target
Giovanni Martemucci and Angela Gabriella D’Alessandro
Affiliation: Department of Agricultural and Environmental Science (DISAAT), University of Bari, Via G. Amendola 165/A, 70126 Bari, Italy.
Keywords: Human health, nutritional milk improvement, nutritional profile, production system, ruminant milk and milk
products, substances contamination.
There is an increasing focus on diet as a tool to maintain human health and prevent disease. Milk and milk
products of ruminants are important source of fat and saturated fatty acids, which are not considered to be very favourable
to human health, but are valuable sources of nutrients including bioactive fatty acids (FA), vitamins, and minerals, which
can promote positive health effects. The nutritional characteristics of milk and dairy products are related to their
composition, which depends on the source species, and varies due to numerous factors, among which the animal diet is the
most important. An improvement in milk FA composition and other micronutrients can be reached through an animal
feeding strategy. Natural pasture-based farming systems increase microconstituents that are beneficial to human health
(CLA, PUFAs, n-3 FAs, antioxidants, vitamins A and E, and Se) and volatile compounds (flavour, and terpenes) in milk
and cheese. There are still uncertainties about the health benefits of various milk FAs and other compounds; deep and
extensive long-term clinical studies with humans are needed. The contamination of milk and dairy products by heavy
metals or dioxins has dramatic negative consequences for human and livestock health and necessitates very urgent
consideration and intervention.
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