Ester is any organic compound that has the following generic formula:

where R and R 'are radicals, not necessarily equal. Here are some esters:

Esterification reaction

Esters can be obtained by reaction of esterification. A carboxylic acid reacts with an alcohol to form esters and water.


Esters are of great importance in the food industry. They form the essences, which are derived from short chain acids and alcohols.

In the food industry, they mimic the taste and aroma of fruits. For this reason they are called flavoring or flavoring. They are used in sweets, candies, ice cream, artificial juices, etc.

Flavoring Examples:

- butyl etanoate - essence that mimics the taste of green apple. Used in bullets and gum marks.