250 µg per capsule

Grape-like, like lime blossom or putty”

Certified soft drinks flavour standard used to train professional tasters to recognize and scale the intensity of grape-like character. Aminoacetophenone is contributed to soft drinks as a taint by sugar syrups, especially those made with maize. The problem is also associated with growth of bacteria. The compound imparts a fruity, grape-like note, reminiscent of lime blossom, putty, or taco shells dependindgon the concentration.

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

Flavour cards

Flavour standard information

Technical specification

The best way to detect grape-like off-flavours in soft drinks caused by 2-aminoacetophenone 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
250 µg per capsule
The flavour threshold of 2-aminoacetophenone in soft drinks is 80 µg / l.
2-Aminoacetophenoneis contributed as a taint to soft drinks by sugar syrups, especially those made from corn. Grape-like flavours from this compound can also be caused by growth of Pseudomonas spp in ingredients, processing aids or the surfaces of equipment.
2-Aminoacetophenone imparts a fruity, grape-like note, reminiscent of lime blossom, putty, and taco shells depending on the concentration. There is an association between off-flavours caused by 2-aminoacetophenone and the use of faulty sugar syrups as an ingredient. 2-aminoacetophenone is formed during syrup production by alkaline degradation of tryptophan. The compound may also be indicative of poor plant hygiene.
CAS registry number
The CAS registry number for 2-aminoacetophenone is 551-93-9.
Other names
  • 1-(2-aminophenyl)ethanone
  • 2-acetyl analine
  • ortho- acetyl aniline
  • 2-acetyl phenyl amine
  • ortho-aminoacetophenone
  • ortho-aminoacetyl benzene
  • 2-aminophenyl methyl ketone
  • ortho-aminophenyl methyl ketone
  • 1-(2-aminophenyl) ethanone
  • 1-(2-aminophenyl)ethanone
Batches of sugar syrup can show considerable day to day variation in their content of 2-aminoacetophenone, making troubleshooting of such issues problematic.
Threshold distribution
Capsules per pot
Legal notices
This product is protected by the following trade marks and patents:
  • US Patent no. D679900
  • European Community Trade Mark
    Registration no. 009937574
  • European Community Trade Mark
    Registration no. 009856527
  • US Trade Mark Registration no. 4345057
  • US Trade Mark Registration no. 4345056
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