sodium bicarbonate

670 mg per capsule

Alkaline, like caustic or detergent”

Certified eer flavour standard used to train professional beer tasters to recognize and scale the intensity of alkaline character. Alkaline notes result from accidental contamination of beer with caustic cleaning agents. Detection of such flavours is essential to protect against the risk of releasing contaminated beer to the market.

Food grade | free from sensory impurities | extensively tested | safe to smell and taste.

Flavour cards

Flavour standard information

Technical specification

Assessment
The best way to assess alkaline flavours in beer is as follows. Take a little beer into your mouth. Move it around with your tongue for a few seconds then swallow it.
Amount of flavour per capsule
670 mg per capsule
Threshold
The flavour threshold of sodium bicarbonate in beer is 220 mg / l.
Origins
Alkaline flavours usually originate from accidental contamination of beer with caustic cleaning agents. Sch incidents are often associated with an increase in beer colour and sodium ion concentrations in addition to an undesirable flavour change.
Confusions

Alkaline flavours in beer are occasionally confused by professional tasters with the following

  • 2-Acetyl pyridine
  • Iso-α-acids
  • trans,trans-2-4-Heptadienal
Importance
Alkaline flavour is a taint in beer. Increases in beer pH value affect beer flavour indirectly, altering the flavour activity of many acidic and basic flavour compounds, giving rise to ‘bready’ and ‘sweet’ flavour notes.
CAS registry number
The CAS registry number of sodium bicarbonate is 144-55-8.
Other names
  • baking soda
  • bicarbonate of soda
  • nahcolite
  • sodium hydrogencarbonate
Remarks
Detection of alkaline flavour notes in beer is essential to protect against the risk of releasing beer to the market which has been contaminated with cleaning agents.
Threshold distribution
Graph
Capsules per pot
10
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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Alkaline beer flavour standard
earn 5 points
£49.00

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