Description
y-Heptalactone has a sweet, nut-like, caramel odor and a malty,
caramel, sweet, herbaceous taste. This substance may be obtained
in low yields by hydrogenation of ethyl P-furylacrylate;1 by lactoniation of heptenoic acid; also by condensation of methylacrylate
butyl alcohol using a catalyst.
Chemical Properties
γ-Heptalactone has a sweet, coconut-like, caramel and a malty, caramel, sweet odor, and herbaceous taste.
Chemical Properties
Clear colorless to pale yellow liquid
Occurrence
Reported found in green tea, asparagus, beer, strawberry, peach and beef
Definition
ChEBI: Dihydro-5-propyl-2(3H)-furanone is a lactone.
Preparation
Obtained in low yields by hydrogenation of ethyl β-furylacrylate; by lactoniation of heptonic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.
Aroma threshold values
Detection: 400 ppb.
Taste threshold values
Taste characteristics at 15 ppm: sweet, lactonic, creamy, coconut and coumarin, with milky and tobacco Nuances.
Synthesis Reference(s)
Journal of the American Chemical Society, 99, p. 7360, 1977
DOI: 10.1021/ja00464a048
General Description
γ-Heptalactone is a volatile flavor compound found in mangoes, strawberries, pineapples as well as in some dairy products. It is used as a flavoring agent in the food and cosmetic industry.
