Mercaptan Beer Flavour Standard
Importance of Mercaptan Beer Flavour Standard
Component of the sulphury character of beer. Mercaptan is an off flavour or taste when present in excess.
Origins of flavour
Mercaptan is formed primarily by yeast during fermentation. Also produced by yeast autolysis during beer maturation.
Remarks
Recommended standard of ASBC and the EBC.
Associated terms
- Drains
- Rotten vegetables
- Leek like
Analysis
- Gas Chromatography
- Titration
Typical concentration in beer
- 0 - 0.5 µg/l
Approximate flavour threshold
- 1 µg/l
Beer flavour wheel number
- 0722
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