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Sun, 30 Nov 2003 13:03:06 EST |
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Esther,
I had just read an article about how oligosaccharides increase calcium
absorption, so I looked at that search and found this article that mentions lactose
and calcium absorption. Even though the authors conclude adequate calcium is
absorbed from the formuals they used with or without lactose they say this in
the discussion:
"In this study, we found significantly lower total and percentage
calcium absorption when infants were fed a lactose-free infant formula than when
they were fed a formula containing lactose; both formulas contained
partially hydrolyzed whey protein. However, the infants absorbed substantially
more calcium than expected from both formulas, and the lactose-free
formula appeared to provide adequate absorbed calcium.
The use of lactose-free formulas based on cow-milk protein in infant
nutrition has increased recently. Many parents prefer these formulas
because of the possibility of lactose intolerance in their infants. However,
lactose is thought to enhance the absorption of minerals, especially
calcium, and therefore the consequences of this trend should be evaluated.
Lactose-free soy-protein formulas have been used for many years, but they
usually contain substantially more calcium than do cow-milk-based formulas to
compensate for the decreased mineral absorption resulting from the presence
of soy protein and the absence of lactose."
youcan download the PDF of the article at this URL :
<A HREF="http://www.ajcn.org/cgi/content/full/76/2/442">http://www.ajcn.org/cgi/content/full/76/2/442</A>
Am J Clin Nutr. 2002 Aug;76(2):442-6.
Calcium and zinc absorption from lactose-containing and lactose-free infant
formulas.
Abrams SA, Griffin IJ, Davila PM.
Mardrey Swenson, DC, IBCLC
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