Encyclopedia of nutrition


卓營方 Yesnutri

Colostrum is the first milk produced by female mammals within a few days after giving birth. It is crucial for supporting the growth, development, and immune defense of newborns. Immunoglobulins (Ig), also known as γ-globulins or antibodies, are a key component of colostrum. Since the immune system of newborns is not yet fully developed and they are particularly susceptible to infections. They can acquire more antibodies through passive immunity from breastfeeding. This helps protect them from invading pathogens until they can generate antibodies through their own immune system, thus strengthening their immunity in the way of active immunity.

Bovine colostrum is a common source of colostrum products. It is derived from the first milk produced by cows during the few days after giving birth. It contains nutrients that are similar to the components found in human colostrum. Comparing to mature milk, bovine colostrum contains higher levels of minerals and vitamins, with various bioactive proteins including immunoglobulins, lactoferrin, and growth factors. Immunoglobulins can be classified into five types: IgG, IgM, IgA, IgD, and IgE. Bovine colostrum contains the highest concentration of IgG, serving as the main type of antibody against foreign pathogens. Lactoferrin has the ability to bind with iron and accelerates its absorption. It possesses antimicrobial properties that help maintain intestinal health, facilitate digestion and nutrient absorption. Growth factors promote cell growth and repair damaged cells and tissues with stimulating DNA synthesis. As the body ages, the immune system gradually weakens, resulting in a reduced ability to combat pathogens. Apart from providing essential nutrients for growth, bovine colostrum also functions as a defense against pathogens to maintain a healthy body. The products are suitable for children, elderly, and people with weakened immunity.

Benefits of Colostrum:

  • Enhance nutrient absorption
  • Relieve allergic responses
  • Boost immunity against pathogens
  • Improve digestion
  • Support body growth and tissue repair

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