Role of taurine in feeding the low-birth-weight infant
1984
Okamoto, Emi | Rassin, David K. | Zucker, Christine L. | Salen, Gerald S. | Heird, William C.
Extract: Plasma and urinary taurine concentrations, growth, nitrogen balance, duodenal bile salt concentration and pattern, fecal bile acid excretion, and intestinal fat absorption were determined in appropriate for gestational age low-birth-weight infants fed either a whey-predominat cow milk formula or the same formula supplemented with taurine. Mean plasma taurine concentration in the 2 groups did not differ. Mean urinary taurine concentration in the control and supplemented groups over the entire study period were 2.67 and 12.41 micromoles per deciliter respectively. Urinary taurine concentration in the supplemented infants, however, decreased significantly during the study period. Neither growth nor nitrogen retention differed between the 2 groups. Mean duodenal concentrations of taurine as well as glycine conjugates of both cholate and chenodeoxycholate were higher in supplemented infants. Total duodenal bile salt concentration correlated positively with taurine status as reflected by urinary taurine excretion. This correlation plus the lower duodenal cholesterol concentration in supplemented infants suggests that conversion of cholesterol to bile acids was greater in supplemented infants. Mean intestinal fat absroption in control and supplemented infants, however, did not differ. (author)
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