Catty Flavour Standard


The catty flavour standard is used to train professional tasters to recognise the potency of catty character. This taint is caused by the early oxidation of beer during storage and can also be imparted by contamination of raw materials, which are then introduced into beer production.

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Product Description

Sensory Terms
– Tom cat urine
– Blackcurrant leaves
– Ribes
– Sulphurous

Cause of Flavour
Caused by the early oxidation of beer during storage, it is one of a number of sulphur off flavours that occur in beer as a defect. This flavour can also be imparted by contamination of raw materials with it which are then introduced into beer production.

Other Information
Beer Flavour Wheel Number: 0810

Flavour levels: TBD

Some sensory panellists may find this flavour challenging due to it’s sensory similarity to tom cat urine.

Recommended flavour standard / sensory reference standard of: American Society of Brewing Chemists (ASBC) and the European Brewing Chemists (EBC)

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