“…These include: carnitine, lysine, carnosine, methionine, creatinine, methylhistidine, cysteine, isoleucine, cystine, leucine, glucose-6-phosphate, glutamic acid, glutamine, nicotinamide adenine dinucleotide (NAD), glutathione, ornithine, glycerophosphoethanolamine, glycine, phenylalanine, glycoproteins, phosphoethanolamine, histidine, phosphoserine, hydroxyproline, fructose, hypoxanthine, fructose-6-phosphate, inosine-5-monophosphate, proline, nucleotides, purine nucleotides, purine nucleosides, ribose, ribose-5-phosphate, serine, methylhistidine, taurine, tyrosine, threonine, isoleucine. Each of these substances has a certain influence on the variety of flavour characteristics [19].…”