Compound Summary

General Compound Information

2-acetyl-1-pyrroline

Description
2-acetyl-1-pyrroline is a pyrroline that is 1-pyrroline in which the hydrogen at position 2 is replaced by an acetyl group. It is an aroma and flavour compound present in jasmine rice and basmati rice. It is responsible for the "popcorn" aroma in a large variety of cereal and food products. It is one of the key odourants of the crust of bread and considered to be responsible for the cracker-like odour properties. In bread, it is primarily generated during baking but amounts are influenced by ingredient composition and fermentation conditions. It has a role as a metabolite, a flavouring agent and a Maillard reaction product. It is a methyl ketone, a pyrroline and an acylimine.
Synonyms
85213-22-5;  2-Acetyl-1-pyrroline;  1-(3,4-Dihydro-2H-pyrrol-5-yl)ethanone;  ETHANONE, 1-(3,4-DIHYDRO-2H-PYRROL-5-YL)-;  2-acetyl-4,5-dihydro-3H-pyrrole;
FlavorDB ID
283
PUBCHEM ID
522834
Molecular Weight
111.14
Molecular Formula
C6H9NO
Openeye Can Smiles
CC(=O)C1=NCCC1
IUPAC Inchikey
DQBQWWSFRPLIAX-UHFFFAOYSA-N
Similarity
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Compound Classification
  • ClassyFire Ontology
Compound Quality
CATEGORY QUALITY THRESHOLD OCCURENCE REFERENCE
smell popcorn-like 5.000e-2 µmol/L details
smell roasty 1.800e-7 µmol/L popcorn details
smell roasty, popcorn-like 1.800e-7 µmol/L popcorn details
smell 1.800e-7 µmol/L wheat breadpopcorn details
smell roasty 1.800e-7 µmol/L wheat breadpopcorn details
smell 1.800e-7 µmol/L rye bread details
smell 1.800e-7 µmol/L maillard product details
smell popcorn-like, roasty 1.800e-7 µmol/L ricebreadpopcorn details
smell popcorn-like, roasty 4.769e-4 µmol/L details
smell popcorn-like, roasty 1.080e-3 µmol/L details
smell roasty, nutty 4.769e-4 µmol/L chicken egg omlette details
smell cooked rice-like 4.769e-4 µmol/L mango details
smell popcorn-like 4.769e-4 µmol/L licorice details
smell 4.769e-4 µmol/L blanched prawnfried prawn details
smell popcorn-like 4.769e-4 µmol/L jackfruit pulp details
smell cooked rice-like 4.769e-4 µmol/L cempedak details
smell popcorn-like, roasty 4.769e-4 µmol/L barley tea details
Compound Toxicity and Food Additive Safety (OFAS)
Receptors
Receptor information of this compound is not available!
GC-MS Consensus Spectra
GC-MS Consensus Spectra information of this compound is not available!