Table 1 Odour characteristics of biogenic amines.

From: Malodorous biogenic amines in Escherichia coli-caused urinary tract infections in women—a metabolomics approach

Compound

Odour description

Odour detection threshold

Odour strength

Trimethylamine

Fishy/oily/rancid/sweaty/fruity63

0.000032 ppm64

Very high63

Tyramine

Mild/meaty/dirty/cooked/phenolic/rubbery65

NA

Moderate65

Cadaverine

Sperm/dead-animal/animalic66

190 ppm67

NA

Putrescine

Animal/rotting/fish68

22 ppm67

NA