β-cyclocitral

440 µg per capsule

Tobacco-like, like grass, hay or dry wood”

Certified water flavour standard used to train professional tasters to recognize and scale the intensity of tobacco-like character. β-Cyclocitral is formed by Cyanobacteria in reservoirs or water distribution systems. It imparts an aromatic odour to water, reminiscent of hay or dry wood at low concentrations, becoming more tobacco-like and fruity at higher concentrations.

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

Flavour cards

Flavour standard information

Technical specification

Assessment
Cyclocitral can be best detected in water in the following way. Without covering the glass, swirl the sample to release the aroma. Take a single short sniff. Repeat as necessary.
Amount of flavour per capsule
440 µg per capsule
Threshold
The flavour threshold of beta-cyclocitral in water is 150 ng / l.
Origins
Beta-Cyclocitral is formed by Cyanobacteria in reservoirs or water distribution systems. It is produced by both actively-growing organisms and through cell lysis or decomposition.
Importance
Cyclocitral imparts an aromatic odour to water, reminiscent of hay and dry wood at low concentrations, which becomes more tobacco-like and fruity at higher concentrations.
CAS registry number
The CAS registry number of beta-cyclocitral is 432-25-7.
Other names
  • beta-cyclocitral
  • 2,6,6-trimethyl-1-cyclohexene-1-carboxaldehyde
  • 2,6,6-trimethyl cyclohexene-1-carbaldehyde
  • 2,6,6-trimethyl-1(2)-cyclohexen-1-carboxaldehyde
  • 2,6,6-trimethylcyclohexene-1-carbaldehyde
Remarks
Beta-Cyclocitral is associated with cases of algal bloom in lakes and reservoirs. It may be found in tainted water, together with other carotenoid breakdown products such as beta-ionone.
Threshold distribution
Graph
Capsules per pot
10
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