, like petroleum or geranium”
Certified cider flavour standard used to train professional cider tasters to recognize and scale the intensity of kerosine character. Pentadiene arises as a result of metabolism of the preservative sorbic acid by yeasts or moulds. The compound imparts a potent 'chemical' taint to affected products, typically described as kerosine-like.
Food grade | free from sensory impurities | extensively tested | safe to smell and taste.