Fig. 3. Plasma nonessential amino acid concentrations of female subjects. Bars with a different letter or different letters in the same amino acid indicate significant difference (a>b) by Duncan’s multiple range test (p<0.05). Abbreviations: Arg=arginine, Asn=asparagine, Cys=cystine, Glu=glutamic acid, Gly=glycine, Orn=ornithine, Ser=serine, Tyr=tyrosine, Asp=aspartic acid, Pro=proline, Ala=alanine and Gln=glutamine.