Description_x000D_ Packaging_x000D_ 100, 500 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ Gluconic acid occurs from the oxidation of glucose and is naturally in fruit, honey and wine. When used as a food additive it helps regulate acidity. It is a strong chelating agent, chelating the anions of calcium, iron, aluminum, copper, and other heavy metals.