PMID: 8613895Apr 1, 1996Paper

Short-term metabolic responses do not differ between neonatal piglets fed formulas containing hydrolyzed or intact soy proteins

The Journal of Nutrition
Ruurd T ZijlstraS M Donovan

Abstract

Hydrolyzed soy protein (SH) could be used as a protein source in formulas for infants with intolerance to cow's milk protein and may be preferable to intact soy protein (SI). However, metabolic responses to SH are poorly defined. Because of their partially hydrolyzed nature, nonphysiological elevations in either plasma amino acids or regulatory hormones may occur. Therefore, we evaluated effects of SH on plasma nutrient and pancreatic hormone (insulin, glucagon) concentrations. In Experiment 1, 24 newborn pigs were fitted with umbilical arterial and portal catheters, fed formula for 36 h and food deprived for 12 h. Pigs were then fed formula including either SH or SI with glucose polymers or casein-whey proteins (CW) containing lactose, and serial blood samples were taken for 2 h postprandially. Peak portal exceeded peak arterial amino acid concentrations within each treatment, and peak amino acid concentrations in CW-fed pigs exceeded those of SH- and SI-fed pigs. However, only SH formula-fed piglets had higher postprandial portal minus arterial amino acid concentrations (P < 0.05) throughout Experiment 1, suggesting that SH was well digested and absorbed. In Experiment 2, arterial catheters were inserted in 24 piglets. Previo...Continue Reading

Citations

Sep 26, 2006·Birth Defects Research. Part B, Developmental and Reproductive Toxicology·Karl K RozmanDavid Umbach
Apr 7, 1998·JPEN. Journal of Parenteral and Enteral Nutrition·B A McCrackenH R Gaskins
Jun 14, 2014·Journal of Animal Physiology and Animal Nutrition·G TheodorouI Politis
Oct 12, 2002·American Journal of Physiology. Endocrinology and Metabolism·Armando R TovarNimbe Torres

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