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. 2026 Sep 22;15(19):3373. doi: 10.3390/foods15193373
FAN Free amino nitrogen
HPLC High-performance liquid chromatography
FLD Fluorescence detector
OPA o-Phthalaldehyde
Ala Alanine
Arg Arginine
Asn Asparagine
Asp Aspartate
Cys Cysteine
Glu Glutamate
Gln Glutamine
Gly Glycine
His Histidine
Ile Isoleucine
Leu Leucine
Lys Lysine
Met Methionine
Phe Phenylalanine
Pro Proline
Ser Serine
Thr Threonine
Trp Tryptophan
Tyr Tyrosine
Val Valine