Bioactive Compounds Derived from the Yeast Metabolism of Aromatic Amino Acids during Alcoholic Fermentation

Table 1

Ehrlich pathway intermediates and derivatives of aromatic amino acids.

Amino acid	Tryptophan	Tyrosine	Phenyl alanine
α-Keto acid	3-Indole pyruvate	p-Hydroxyphenyl pyruvate	Phenyl pyruvate
Higher aldehyde	3-Indole acetaldehyde	p-Hydroxyphenyl acetaldehyde	2-Phenylacetaldehyde
Higher alcohol	Tryptophol	Tyrosol	2-Phenylethanol
Higher acid	Indole acetic acid	4-Hydroxyphenyl acetic acid	Phenyl acetic acid