EVERYDAY SCIENCE

Detailed explanation-1: -Sour taste is elicited by both organic acids, including lactic acid, citric acid, malic acid and acetic acid, and inorganic acids, such as hydrochloric acid, nitric acid and sulfuric acid [19].

Detailed explanation-2: -Sour. Sourness, or tartness, is the taste of acids.

Detailed explanation-3: -acids have a sour taste, acids are corrosive, acids lose their acidity when they are combined with bases and. bases feel soapy.

Detailed explanation-4: -An acid is a substance that donates hydrogen ions. Because of this, in an acidic solution there are more hydrogen ions than hydroxide ions. This means the more acidic a food is, the more hydrogen ions are available to trigger the sour taste receptors.

Detailed explanation-5: -So we can say all substances that taste sour contains acid. For example : Curd is sour in taste and contains lactic acid.