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
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.
Definition
ChEBI: Dihydro-5-propyl-2(3H)-furanone is a lactone.
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.