Beer flavour standards kit used to train professional beer tasters to recognize and scale the intensity of 12 essential beer flavour notes.
Use them to deliver up to 20 hours of taster training for ten people. Comes complete with presentation case and one set of beer flavour cards. AROXA™ beer flavour standards are: food grade | free from sensory impurities | extensively tested | safe to smell and taste. Unsure whether this kit is right for you? Don't forget about our 100% satisfaction guarantee.
Technical specification
Assessment
The best way to detect acetaldehyde flavours notes in beer is as follows. Cover the beer with your hand and swirl the glass to release the aroma. Remove your hand and take a single long sniff. Repeat as necessary.
Amount of flavour per capsule
15 mg per capsule
Threshold
The flavour threshold of acetaldehyde in beer is 5 mg / l. The presence of sulphur dioxide increases the flavour threshold of acetaldehyde.
Origins
Acetaldehyde is reduced by yeast during fermentation as the penultimate step in production of ethanol from wort sugars. Its presence is indicative of fermentation problems and poor control of dissolved oxygen in packaging.
Confusions
Tasters can confuse acetaldehyde with the following flavours in beer
Ethyl hexanoate
2,4,6-Trichloroanisole
cis-3-Hexenol
Importance
Acetaldehyde is present in all beers. It is a characteristic flavour of some beer styles, eg Bière de Garde. Acetaldehyde is an off-flavour at high concentrations in beer.
CAS registry number
The CAS registry number of acetaldehyde is 75-07-0.
Remarks
The flavour impact of acetaldehyde is influenced by the sulphur dioxide concentration in the beer.
Threshold distribution
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Capsules per pot
8
Legal notices
This product is protected by the following trade marks and patents:
US Patent no. D679900
European Community Trade Mark
Registration no. 009937574
European Community Trade Mark
Registration no. 009856527
US Trade Mark Registration no. 4345057
US Trade Mark Registration no. 4345056
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