“Rancid oil, like potato chips or vegetable oil”
Beer flavour standard used to train professional beer tasters to recognize and scale the intensity of rancid oil character.
trans,trans-2,4-Heptadienal is an off-flavour formed in beer during ageing. Beers made with oil-rich adjuncts such as maize are particularly susceptible to development of such flavours.
Food grade | Free from sensory impurities | Extensively tested | Safe to smell and taste.