👉 Subacidity is a term that describes the presence of acid in a liquid or solid substance. It can be caused by various factors, such as exposure to acidic substances, high concentrations of hydrogen ions (H+) in the environment, or through chemical reactions with other substances. In the context of food science and chemistry, subacidity refers to the presence of acid in a product or substance that has been subjected to certain conditions. It can be an indicator of the quality of the food or the condition