β-ionone

40 µg per capsule

Violets, like Turkish delight”

Certified water flavour standard used to train professional tasters to recognize and scale the intensity of violets character. Ionone imparts a pleasant, but nevertheless atypical, sweet, aromatic note to water. This compound is formed by algae or Cyanobacteria in water and through the chemical decay of grass and vegetation in lakes and reservoirs.

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 detect taints caused by beta-ionone in water is as follows. Without covering the glass, swirl the sample to release the aroma. Take a single short sniff. Repeat as necessary.
Amount of flavour per capsule
40 µg per capsule
Threshold
The flavour threshold of beta-ionone in water is 13 µg / l.
Origins
Beta-ionone is formed by algae or Cyanobacteria growing in water and through the biochemical decay of grass and vegetable matter in lakes and reservoirs.
Importance
Beta-ionone imparts a pleasant, but nevertheless atypical, sweet aromatic odour to water, reminiscent of violets. It is derived from the breakdown of plant-derived carotenoids.
CAS registry number
The CAS registry number of beta-ionone is 14901-07-6.
Other names
  • ionone
  • beta-cyclocitrylidene acetone
  • beta-irisone
  • 4-(2,6,6-trimethyl cyclohex-1-ene-1-yl) but-3-ene-2-one
  • 4,2,6,6-trimethyl-1-cyclohexen-1-yl-3-buten-2-one
  • 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
  • 4-(2,6,6-trimethyl-1-cyclohexenyl)-3-buten-2-one
  • (E)-4-(2,6,6-trimethyl-1-cyclohexenyl)but-3-en-2-one
Remarks
Taints due to beta-ionone in water are associated with cases of algal bloom in lakes and reservoirs. This compound may occur together with other carotenoid breakdown products such as Β--cyclocitral
Threshold distribution
Graph
Capsules per pot
10
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