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isovaleraldehyde

Grainy

BEER

£45.00


 

Grainy, like milk chocolate”

Capsules per pot: 6 capsules

Quantity
SKU: B-BE-590-86-3 Categories: ,

Product Description

Grainy, like milk chocolate”

Beer flavour standard used to train professional beer tasters to recognize and scale the intensity of grainy character.

Food grade | Free from sensory impurities | Extensively tested | Safe to smell and taste.

ORIGINS

During beer aging, amino acids such as leucine and phenylalanine can undergo Strecker degradation to form aldehydes of high aroma impact: Isovaleraldehyde (threshold 46 ppb as malty, cherry, apple, almond) and phenylacetaldehyde [threshold <100 ppb as floral, roses].

HOW TO TASTE

The best way to detect grainy flavour notes in beer from isovaleraldehyde is as follows. Without covering the glass, swirl the beer to release the aroma. Take a single short sniff. Repeat as necessary.

CAS NUMBER

The CAS registry number of isovaleraldehyde is 590-86-3.

Additional Information

Weight 0.05 kg
Dimensions .7 × .7 × .3 cm
process

brewhouse, fermentation-maturation

flavour

malt-derived, off-flavour, oxidation, positive character, yeast-derived

chemical

aldehydes, carbonyls

capsules per pot

6 capsules

kit format

full pots of capsules

sector

beer

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