... revealed the predominance of two amino acids: alanine (39.2%) and glycine (30%). Interestingly, the proportions are very similarto those found in WSM for alanine and glycine.Curiously, the presence ... Hydroxyproline, hydroxy-lysine and phosphoserine were not detected in WSM, WIM,EDTA-SM and EDTA-IM. The comparison of the amino acid composition of the main peak obtained from AE-HPLC of WSM and ... Proline, hydroxyproline and hydroxylysine were examined at 254 nm by reverse-phaseHPLC of their phenylisothiocarbamate derivatives [26], asreported previously [20]. The serine, threonine and tyrosinecontents...