Answer:
Esters
Step-by-step explanation:
Esters are derivatives of carboxylic acid obtained by reaction of a carboxylic acid with an alcohol.
The general formula of an ester is : RCOOR'
Smell and hence a kind of flavor in many fruits is due to ester.
For example:
The ester in banana is isoamyl acetate
The ester in citrus fruit is octyl acetate