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2-isobutyl-3-methoxypyrazine

Earthy-green pepper

BEER

£55.00£89.00


 

Quantity
SKU: BE-24683-00-9 Categories: , Tag:

Product Description

Earthy-green pepper, like green pepper or chillies”

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

2-Isobutyl-3-methoxypyrazine contaminates beer via tainted water. This compound has an odour which is reminiscent of green peppers or green beans.

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

IMPORTANCE

2-Isobutyl-3-methoxypyrazine imparts an earthy taint to beer. It is associated with a high degree of consumer rejection. Beers contaminated with 2-isobutyl-3-methoxypyrazine described by consumers as ‘chemical’ ’ or ‘contaminated’.

ORIGINS

2-Isobutyl-3-methoxypyrazine is imparted to beer through use of contaminated brewing liquor, rinse liquor or dilution liquor. The source of the taint is growth of microorganisms in the water supply.

HOW TO TASTE

The best way to detect earthy taints from 2-isobutyl-3-methoxypyrazine in beer 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 2-isobutyl-3-methoxypyrazine is 24683-00-9.

Additional Information

Weight 0.06 kg
Dimensions 0.85 × 0.85 × 0.35 cm
process

ingredients

flavour

off-flavour, taint

chemical

pyrazines and pyridines

capsules per pot

10 capsules, 6 capsules

sector

beer

kit format

full pots of capsules

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