5.2 DAIRY PRODUCTS 110 The fat content of milk varies depending on the product, e.g. whole standardised milk has a minimum fat content of 3.5% fat, semi-skimmed milk contains 1.7% fat, and skimmed milk contains 0.3% fat. MILK Milk is one of the most nutritionally complete foods available on the food market. Rich in macronutrients, vitamins and minerals, it makes a significant contribution to the human diet. Nutritional composition It contains about 87% water. What is lactose-free milk used for? Its macronutrients are: proteins, divided into two main groups: caseins and whey proteins; fats , made of different fatty acids, whose composition in milk varies depending on the breed of cow, the feed given to the cow, geographical location, season and stage of lactation; lactose , consisting of glucose and galactose, which acts as an energycarrier. It is rich in fat soluble vitamins (A, D, E and K) as well as water soluble vitamins (many B vitamins and in particular vitamin B12). As for minerals, milk is a source of: calcium, essential for the healthy growth and maintenance of teeth and bones and vital for blood clotting and muscle contraction; ONLINE RESOURCES Is soy milk really milk? 230 Food processing phosphorus, playing a vital role in calcium and protein metabolism; magnesium; zinc; potassium. Main features Milk provides a whole range of nutrients essential to the growth, development and maintenance of the human body. Even relatively small quantities of milk can supply a significant proportion of daily nutrient intake to all age groups. It contains no artificial preservatives or colourings. It helps reducing the risk of numerous health problems such as osteoporosis, cancer, cardiovascular disease, type-2 diabetes and obesity. breed: razza clotting: coagulazione colouring: colorante fatty acids: acidi grassi intake: apporto lactation: montata lattea preservative: conservante to provide: fornire range: gamma skimmed: scremato to wean: svezzare whey: siero