“Mercaptan, like drains or soft white cheese”
Certified wine flavour standard used to train professional tasters to recognize and scale the intensity of mercaptan character.
Methanethiol is formed by anaerobic sulphate-reducing bacteria and Cyanobacteria. It can also arise due to decomposition of plants and algae in lakes and reservoirs. Methanethiol imparts an unpleasant sulphury note, reminiscent of drains or rotting garbage.
Food grade | Free from sensory impurities | Extensively tested | Safe to smell and taste.