A longitudinal study of the protein, nitrogen, and lactose contents of human milk from Swedish well nourished mothers
1976
Lonnerdal, Bo | Forsum, Elisabeth | Hambræus, Leif
Extract: The contents of total nitrogen, nonprotein nitrogen, lactose, and individual milk proteins have been determined in human milk from well nourished Swedish mothers. Breast milk samples from 50 mothers at different stages of lactation were collected. Furthermore, three mothers gave samples repeatedly throughout the lactation period. The protein content in mature milk was found to be 0.8 to 0.9% by amino acid analysis. The nitrogen content and the contents of the major human milk whey proteins are very high for the first few days, then decrease rapidly and reach, thereafter, the more slowly declining level of mature milk. Nonprotein nitrogen and the nonspecific milk protein serum albumin are present in constant concentrations throughout lactation. The daily milk volumes were determined and found to be 500 to 600 ml in the very early part and 700 to 800 ml in the later part of the lactation period.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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