Composition of Breast Milk | Composition of Cow Milk | Breast Milk VS Cow Milk

Different Compositions of Human Breast Milk:

The composition of human breast milk varies at different stages in the postnatal period to fulfill the needs of the baby.

A. Colostrum:
It includes-

  1. It is secreted during first three days after delivery.
  2. It is thick, yellow and small in quantities.
  3. It contains more antibodies and cells with higher amount of proteins and fat soluble vitamin (A, D, E, and K).
  4. It is sufficient and protective for the baby and should not be discarded.

Breast milk vs cow milk
Fig: Breast milk vs cow milk

B. Transitional Milk:
It includes-

  1. It follows the colostrum’s and secretes during first two weeks of postnatal period.
  2. It has increased fat and sugar content and deceased protein and immunoglobulin content.

C. Mature Milk:
It includes-

  1. It is secreted usually from 10 to 12 days after delivery.
  2. It is watery but contains all the nutrients for optimal growth of the baby.

D. Preterm Milk:
It includes-

  1. The breast milk secreted by a mother who has delivered a preterm baby is different from milk of a mother who has delivered a full term baby.
  2. This milk contains more proteins, sodium, iron, immunoglobulins and calories appropriate for the requirements of the preterm neonates.

E. Fore Milk:
It includes-

  1. It is secreted at the starting of the regular breast feeding.
  2. It is more watery to satisfy the baby’s thirst and contains more proteins, sugar, vitamins and minerals.

F. Hind Milk:
It is secreted towards the end of regular breast feeding and contains more fat and energy.

Compositions of Breast Milk:

It includes-
  • Protein- 11 gm per liter,
  • Carbohydrate- 70 gm per liter
  • Fat 35 gm per liter
  • Non protein- 0.32 gm per liter
  • Minerals- 2 gm per liter
  • Calcium- 0.33 gm per liter
  • Potassium- 0.15 gm per liter
  • Iron- 0.4-1.5 mgm per liter
  • Vitamin C- 60 gm per liter
  • Vitamin D- 50 IU
  • Water- 88 gm per liter
  • Energy- 640-720 kcal

Compositions of Cow Milk:

It includes-
  • Protein- 33 gm per liter,
  • Carbohydrate- 50 gm per liter
  • Fat- 35 gm per liter
  • Non protein- 0.32 gm per liter
  • Minerals- 8 gm per liter
  • Calcium- 1 gm per liter
  • Potassium- 1 gm per liter
  • Iron- 0.3-0.05 mgm per liter
  • Vitamin C- 20 gm per liter
  • Vitamin D- 25 IU
  • Water- 7 gm per liter
  • Energy- 650 kcal
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