About nutritive value of milk. Basic Important factors present in milk such as protien , fat , lactose etc. Which are important for newborn , pregnant women .

1. z
Nutritive value of
milk
By - Swati Chand
MSc (Food Technology)

2. z
1. Milk supplies body-building proteins.
2. Bone forming minerals
3. Health giving vitamins and furnishes energy giving lactose and
milk fat.
4. It contains all above nutrients(in a very easily digestible form)

3. z
Milk proteins
 Milk protein are complete proteins , consist of essential Amino
acids.
 Milk protein mainly consist of casein , beta-lactoglobulin , alpha-
lactalbumin etc.
 Casein only exists in milk (in calcium caseinate-phosphate
complex form).
 Casein present in colloidal state.It forms about more than 8% of
total protein.
 Casein composed of alpha , beta and gamma fractions.

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Minerals
 Mineral matter or salts of milk present in small quantities.
 Milk is an excellent source of calcium and phosphorus (essential
for bone formation)
 Major salt constituents present in appreciable quantities –
potassium , sodium , magnesium , calcium , phosphate , citrate ,
chloride , sulphate and bicarbonate.

5. z
Vitamins
 Milk is a good source of –
1. Vitamin A.(as cow is fed sufficient green feed and fodder)
2. Vitamin D.
3. Thiamine
4. Riboflavin
5. Deficient in vitamin C , iron , copper.

6. z
 Milk fat provides flavour and physical properties in milk and milk
products.
 Besides serving as a rich source of energy , it contains
significant amount of so-called essential fatty acids (linoleic and
arachidonic).
 Milk fat imparts soft body , smooth texture and rich taste to dairy
products.
Fat

7. z
 Principal function of lactose(carbohydrate) is to supply energy.
 Lactose also helps to establish a mildly acidic reaction in the
intestine ( checks the growth of proteolytic bacteria )
Lactose