Isovaleric

His diagnosis: a rare but treatable disease called isovaleric acidemia (IVA), marked by the body's inability to metabolize an amino acid found in dietary protein. ❋ Unknown (2007)

Fats break down, into butyric and isovaleric acids; this gives flavour and odour to butter and cheese, and to the fat produced by our sweat glands – hence the odour of cheesy feet. ❋ Unknown (2011)

Smear cheeses are so reminiscent of cloistered human skin because both B. linens and its human cousin, B. epidermidis, are very active at breaking down protein into molecules with fishy, sweaty, and garlicky aromas amines, isovaleric acid, sulfur compounds. ❋ Harold McGee (2004)

The flavor of manufactured bread can sometimes be marked by such unpleasant aroma compounds as sour, sweat-like isovaleric and isobutyric acids, which are produced by flour and yeast enzymes in unbalanced amounts during intensive mixing and high-temperature proofing. ❋ Harold McGee (2004)

At low levels, their unusual aromas may suggest tobacco leaf; they also include smoky, medicinal, clove-like, and musty notes the barnyard notes come from ethyl phenols and isovaleric and isobutyric acids. ❋ Harold McGee (2004)

Another sedative herb which also contains isovaleric acid is hops. ❋ JOHN LUST (2003)

It is one of the volatile oils isovaleric acid that causes the sedative effects of valerian. ❋ JOHN LUST (2003)

They subjected hundreds of volunteers to intensive smell testing and found the most pleasant scent was vanilla, while the worst was isovaleric acid, which is commonly found in sweaty socks. ❋ Unknown (2010)