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trans,cis-2,6-nonadienal

Cucumber

WATER

£45.00


 

Cucumber, like cucumber skin or watermelon”

Capsules per pot: 6 capsules

Quantity
SKU: B-WA-557-48-2 Categories: ,

Product Description

Cucumber, like cucumber skin or watermelon”

Water flavour standard used to train professional water tasters to recognize and scale the intensity of cucumber character.

Nonadienal is formed by algae in lakes and reservoirs. It is produced by live cells and by dead cells as they decompose. It can also be produced from amino acids during ozonation of water suppliers. The compound imparts a pleasant, but nevertheless atypical, cucumber note, reminiscent of water melon at high concentrations.

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

IMPORTANCE

Nonadienal imparts a pleasant, but nevertheless atypical, cucumber-like note to water, which is reminiscent of water melon at high concentrations.

ORIGINS

Nonadienal is formed by algae in lakes and reservoirs. It is produced both by actively-growing organisms and as a result of cell lysis and decomposition. Cucumber-like odours from nonadienal can also be formed in water from amino acids as a by-product of ozonation.

HOW TO TASTE

The best way to detect cucumber taints in water is as follows. Without covering the glass, swirl the sample to release the aroma. Take a single short sniff. Repeat as necessary.

CAS NUMBER

The CAS registry number of trans,cis-2,6-nonadienal is 557-48-2.

Additional Information

process

ozonation, raw-water

flavour

algal, chemical, off-flavour, taint

chemical

carbonyls

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