Mom's Little Classroom (II) – The Importance of “Golden” Colostrum
Colostrum is the first milk secreted by the breasts after childbirth, specifically the milk secreted within the first 7 days postpartum. Colostrum is particularly important for the newborn's immune system and intestinal function.
1. At birth, a newborn's stomach capacity is small, the intestinal mucosa is underdeveloped, and digestive enzymes are immature. Colostrum not only effectively meets the newborn's nutritional needs but also aligns with their digestive and metabolic capabilities.
2. Colostrum contains protein l
evels of up to 20-30g/L, which is 2-3 times that of mature milk. Approximately 90% of this protein is α-lactalbumin, whose amino acid profile is most suited to an infant's needs.
3. The proteins in colostrum are rich in immunoglobulins and cytokines, such as secretory IgA, interleukins, lactoferrin, lipase, and lysozyme, which are highly beneficial for the immune system, intestinal maturity, and digestive absorption of newborn infants.
4. Colostrum contains abundant oligosaccharides, which promote the colonization and growth of bifidobacteria and lactobacilli in the intestines, helping infants quickly establish a
healthy intestinal microecology, enhance intestinal mucosal barrier function, reduce exposure to large foreign protein molecules, and prevent allergic reactions.
5. Colostrum contains a high amount of vitamins and minerals, particularly iodine and zinc, which are highly beneficial for infant development. Additionally, colostrum contains a significant amount of mineral salts such as calcium phosphate and calcium chloride.
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