topic+acidulant~azhana


 * Name the examples of chelating agents and explain the chelating reaction which helps to improve the specific food process.**


 * Answer :**
 * 1) citric acid
 * 2) lactic acid
 * 3) tartaric acid


 * certain trace metals such as iron,nickel,copper promote oxidation reaction via catalytic action and produce undesirable reactions such as discoloration, rancidity,and instability of nutrients.
 * citrates and phosphates are able to form ring structures with meta ions (chelation). formation prevents metal ions from reacting with other materials or acting as catalyst for reaction.
 * citric acids- strongest chelating agent. Lactic, malic, tartaric acids - provides useful degree of chelation.
 * chelating function - retards enzymic browning of fruits and vege.
 * used synergist for antioxidants in prevention of fats and oils, and in food containing fatty compounds.Inactivate certain enzyme which contribute to fat rancidity.