NURSING ANM AND GNM

Detailed explanation-1: -The sour taste of foods and beverages is largely due to organic acids, including acetic, citric, malic, and fumaric acids in fruits and vegetables and tartaric acid in wine. Dilute solutions of many inorganic acids also taste sour. One example is the phosphoric acid in cola beverages.

Detailed explanation-2: -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. A base is a substance that accepts hydrogen ions.

Detailed explanation-3: -They both taste sour on your tongue. This is because they are acids and acids taste sour. Bases are the opposite of acids; they normally taste bitter and feel soapy.