Total amino acid profile of food, feed, and dietary supplements

Determination of the total amino acid profile of food, feed, and dietary supplements with ion chromatography and HPLC methods. Before analysis, the sample is subjected to a hydrolysis treatment to liberate amino acids bound as proteins or peptides.

The following amino acids are included in the analysis:

• Aspartic acid

• Glutamic acid

• Alanine

• Arginine

• Cystine + cysteine

• Phenylalanine

• Glycine

• Hydroxyproline

• Isoleucine

• Histidine

• Leucine

• Lysine

• Methionine

• Proline

• Serine

• Tyrosine

• Threonine

• Tryptophan

• Valine

• Total amino acids