significant differences ( p less than 0.05 ) in the concentrations between colostral and mature milk were found for glutamic acid , glutamine , alanine , glycine , cystine , and phosphoethanolamine which increased , and with serine , phosphoserine , aspartic acid + asparagine , arginine , lysine , isoleucine , phenylalanine , proline , methionine , tryptophan , and beta-alanine which decreased .
C0001898
alanine
C0000392
beta-alanine