Ethyl valerate

Chemical properties

clear colorless liquid

Chemical properties

Ethyl valerate has a fruity odor suggestive of apple

Occurrence

Reported found in apples, bananas, guava, strawberry, cheeses, rum, whiskey, cider, sherry, grape wines, cocoa, coffee, honey and passion fruit, apricot, guava fruit and pineapple.

The Uses of Ethyl valerate

Ethyl valerate has wide applications in the areas of food, pharmaceuticals and cosmetics industries.

The Uses of Ethyl valerate

Ethyl valerate is widely used in flavor compositions, mainly for Apple imitations, but also for Apricot, Peach and in Butter and Nut complexes. Its power is utilized in the "Tutti-frutti" type of flavor for chewing gum, and it is occasionally used in tobacco flavoring. Concentrations vary from 5 to 15 ppm in the finished product, and up to 250 ppm in chewing gum.

Preparation

By refluxing valeric acid and ethyl alcohol in the presence of concentrated H2SO4.

Definition

ChEBI: Ethyl pentanoate is a fatty acid ester.

Aroma threshold values

Detection: 1.5 to 5 ppb

Taste threshold values

Taste characteristics at 30 ppm: fruity, strawberry, sweet, estry, fruity, pineapple, and tropical fruit.

Synthesis Reference(s)

Canadian Journal of Chemistry, 58, p. 2271, 1980 DOI: 10.1139/v80-365
The Journal of Organic Chemistry, 54, p. 4848, 1989 DOI: 10.1021/jo00281a029

General Description

Ethyl valerate is also known as the green apple flavor. Microwave spectrum of ethyl valerate, observed by molecular beam Fourier transform microwave spectroscopy, has been reported.