acetaldehyde

10 mg per capsule

“Acetaldehyde, like emulsion paint or green apples”

Certified soft drinks flavour standard used to train professional tasters to recognize and scale the intensity of acetaldehyde character. Acetaldehyde is present at a low level in many soft drinks, imparting an apple-like odour, reminiscent of emulsion paint when present at higher concentrations. Origins include degradation of plastic bottles or alcoholic fermentation by contaminant yeasts or bacteria.

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

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Flavour standard information

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Technical specification

Assessment

The best way to evaluate the green apple, fermented flavour of acetaldehyde in soft drinks is as follows. Cover the sample with your hand and swirl the glass to release the aroma. Remove your hand and take a single long sniff. Repeat as necessary.

Amount of flavour per capsule

10 mg per capsule

Threshold

The flavour threshold of acetaldehyde in soft drinks is 3.3 mg / l.

Origins

Acetaldehyde is present in fruit extracts and juices. It occurs in higher levels in soft drinks and juices as a result of product spoilage through alcoholic fermentation of sugar by contaminant yeasts and bacteria. At low levels it can arise in soft drinks through degradation of plastic bottles.

Importance

Acetaldehyde is present at a low level in many soft drinks. It Imparts a fermented odour, reminiscent of of emulsion paint. At higher concentrations the odour of acetaldehyde is similar to green apples.

CAS registry number

The CAS registry number for acetaldehyde is 75-07-0.

Other names

acetic aldehyde
ethanal
ethyl aldehyde
acetaldehyd
aldehyde acetique
aldeide acetica
octowy aldehyd

Remarks

The flavour impact of acetaldehyde in soft drinks is influenced by the sulphur dioxide concentration of the product, the intensity of the acetaldehyde flavour being reduced in the presence of sulphites.

Threshold distribution