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HUMAN MILK: COMPOSITION, BENEFITS, COMPARISON WITH COW MILK


Woman Breastfeeding Baby --- Image by © Larry Williams/CORBISHUMAN MILK: COMPOSITION, BENEFITS, COMPARISON WITH COW MILK

Excerpted and adapted from Breastfeeding Manual for Health Professionals. Commission
Lactation MINSAL, UNICEF. Editors Shellhorn C, V Valdés. Ministry of Health,
UNICEF, Chile 1995.

Human milk provides the child and complete the ideal food for the first 6
months of life and remains the best source of milk during the first two years, to be
supplemented with other foods. Each milk has characteristics that
differ significantly from other mammalian milks and make it suitable for the breeding of
species. From a nutritional standpoint, childhood is a very vulnerable, as it is the
only period in which a single food is the only source of nutrition, and just over
a stage of maturation and development of their bodies (Picciano, 2001).
It is a living fluid that adapts to the nutritional and immunological
child as it grows and develops.

Are distinguished: preterm milk, colostrum, transitional milk and milk
mature.
Colostrum is 2 g/100 ml fat, 4 g/100 ml of lactose and 2 g/100 ml protein.
Produces 67 Kcal/100 ml. Contains less amounts of lactose, fat and vitamins
soluble than mature milk, as it contains more protein,
soluble vitamins (E, A, K), carotenoids and minerals such as sodium and zinc. the
carotene gives the yellow color and a slightly salty taste sodium.

The average concentration of colostrum IgA and lactoferrin are proteins
protectors which are very high in colostrum, and although the increase was diluted
milk production, remains a daily production of 3.2 g of IgA and lactoferrin. beside
oligosaccharides, which also are elevated in colostrum (20 g / L), a large amount of
lymphocytes and macrophages (100,000 mm3) newborn confer efficient protection
germs of the environment.

Colostrum as such occurs during the first 3-4 days after
delivery. It is a thick yellowish liquid, high density and low volume. In the first 3
days postpartum the volume produced is 2 to 20 ml per blowjob, this being sufficient to
meet the needs of the newborn. Transfer of less than 100 ml milk the
first day, increased significantly between 36 and 48 hours after delivery, and then levels off at
volumes of 500-750 ml / 24 hours at 5 days postpartum.
Colostrum is 2 g/100 ml fat, 4 g/100 ml of lactose and 2 g/100 ml protein.
Produces 67 Kcal/100 ml. Contains less amounts of lactose, fat and vitamins
soluble than mature milk, as it contains more protein,
soluble vitamins (E, A, K), carotenoids and minerals such as sodium and zinc. the
carotene gives the yellow color and a slightly salty taste sodium.

The average concentration of colostrum IgA and lactoferrin are proteins
protectors which are very high in colostrum, and although the increase was diluted
milk production, remains a daily production of 3.2 g of IgA and lactoferrin. beside
oligosaccharides, which also are elevated in colostrum (20 g / L), a large amount of
lymphocytes and macrophages (100,000 mm3) newborn confer efficient protection
germs of the environment.
Colostrum is tailored to the specific needs of the newborn:
– Facilitates the removal of meconium
– Facilitates the reproduction of Lactobacillus bifidus in the intestinal lumen of newborn
– Quinones antioxidants and are necessary to protect against oxidative damage and
haemorrhagic disease
– Immunoglobulins liner covering immature digestive tract,
preventing the adhesion of bacteria, viruses, parasites and other pathogens
– The low volume gradually allows the child organize his triptych functional
suck-swallow-breathe.
– The growth factors stimulate the maturation of the child’s own systems
– Infant’s immature kidneys can not handle large volumes of liquid;
both the volume of colostrum as their osmolarity are appropriate to their maturity.

Colostrum, the milk as it happens, it acts as a moderator in the development of
newborn.

27 marzo 2013 - Posted by | Bitácora del día, salud | , , , , , ,

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