Artificial flavors get their characteristic odor from various compounds, particularly esters—chemical compounds formed by the chemical reaction of an alcohol with a carboxylic acid. An alcohol is an ...

Save guides, add subjects and pick up where you left off with your BBC account. Esters are formed by the condensation reaction between an alcohol and a carboxylic acid. This is known as ...

Esters are usually synthesized from an alcohol and an acid, most frequently, a carboxylic acid. In some cases, an epoxide is used instead of the alcohol; or an acid halide or anhydride replaces the ...

an 18-carbon saturated fatty acid. The normal numbering system, starting with the carboxylic acid, is shown in blue. The carbons and oxygens of the carboxylic acid functional group are red.

Carboxylic acids are weak acids that react in the same way as other acids. They are responsible for the rancid flavour and smell of off food. Esters, fats and oils Esters are formed in ...