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in vitro Digestion of Proteins in Goat Milk Formula

GU Hao-feng1,2,ZHANG Fu-xin1,*,ZHANG Yi1   

  1. 1. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710062, China;
    2. College of Agriculture and Life Sciences, Ankang University, Ankang 725000, China
  • Published:2013-09-27
  • Contact: ZHANG Fu-xin

Abstract:

in vitro digestion of proteins in goat milk formula was conducted in a simulated digestion environment of infants.
Whole goat milk powder and cow milk infant formula powder were used as controls. The in vitro gastric, intestinal and total
digestibility of proteins was measured. The results showed that the in vitro gastric, intestinal and total digestibility of proteins
in goat milk formula was significantly higher than that in cow milk formula and whole goat milk powder (P < 0.05), and
amino acid contents in digestive juice for goat milk formula were also higher. The content of total amino acids was 112.94
to 117.55 mg/100 g digestive juice and the content of essential amino acids was 75.61 to 78.89 mg/100 g digestive juice.
Therefore, proteins in goat milk formula are nutritional due to easy absorption.

Key words: goat milk infant formula, protein, in vitro digestion, digestibility

CLC Number: