The protein concentration in human milk is considerably
lower than in bovine milk (8.5 g/L vs. 34.5 g/L)
[15]. Also the composition of the protein fractions is
substantially different, with human milk containing a larger
fraction of whey protein. Consequently, the ratio
whey:casein differs between the two milk types, being
20:80 for bovine milk [16] and 50:50 – 80:20 to human
milk, with somewhat different ratios depending on the
lactating phase [17]. Based on above, it can be hypothesized
that human milk, despite its low protein content,
exerts insulinogenic properties due to its high whey protein
content. To our knowledge, no data are available
regarding the postprandial glycemic, insulinemic and
incretin effects of human milk.
The protein concentration in human milk is considerablylower than in bovine milk (8.5 g/L vs. 34.5 g/L)[15]. Also the composition of the protein fractions issubstantially different, with human milk containing a largerfraction of whey protein. Consequently, the ratiowhey:casein differs between the two milk types, being20:80 for bovine milk [16] and 50:50 – 80:20 to humanmilk, with somewhat different ratios depending on thelactating phase [17]. Based on above, it can be hypothesizedthat human milk, despite its low protein content,exerts insulinogenic properties due to its high whey proteincontent. To our knowledge, no data are availableregarding the postprandial glycemic, insulinemic andincretin effects of human milk.
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