the content of the definite amino acid in gelatin shows that hydrolysis bonds of serine and threonine accounts for 35.2 and 35.6 % , valine and leucine for 23.6 and 24.7 % , glycine and alanine for 18.8 and 13 % , methionine , lysine , glutaminic and asparagic acids for 7-9 % ;
C0002520
amino acid
C0017890
glycine