What is meant by the following terms ? Explain with an example for each. (3 marks)
(i) Target molecules as used in medicinal chemistry
(ii) Food preservative
(iii) Non-ionic detergents
(i) Drugs interact with macromolecules like proteins, carbohydrates, lipids etc. and are called as
(ii) Food preservatives : They are used to prevent spoilage of food due to microbial growth.
Example : Table salt, vegetable oils, sodium benzoate etc.
(iii) Non-ionic detergents : These are esters of high molecular mass alcohols obtained by
reaction between polyethylene glycol and steric acid.