, like stale cheese or sweaty socks”
Certified beer flavour standard used to train professional beer tasters to recognize and scale the intensity of isovaleric character. Isovaleric acid imparts a cheesy off-flavour to beers. The flavour arises from use of hops or hop products which have deteriorated in quality prior to use.
Food grade | free from sensory impurities | extensively tested | safe to smell and taste.