Citric acid is a fruit acid, also known as citric acid, can accelerate the renewal of the skin keratin, its acidic qualities can be used as a flavoring agent, daily necessities, preservatives, etc.

The main role is as follows:

1, food additives: citric acid is a kind of organic acid, acidic taste is strong, citrus, pineapple, lemon and other fruits in the content of the higher, the taste is good. It can be added to beverages and food in moderation, which has the effect of enhancing appetite and taste;

2, daily chemicals: citric acid can accelerate the body's metabolism and promote the renewal of skin keratin, which can be used in daily chemicals to help whiten the skin and make the skin more lustrous;

3, preservative: citric acid belongs to the class of acids and is highly acidic, and the formation of an acidic environment can inhibit the growth of bacteria, thus avoiding food spoilage. The acidic environment it creates can inhibit the growth of bacteria, thus avoiding the deterioration of food and achieving the effect of antiseptic.

Citric acid can also inhibit the coagulation of calcium in the blood, which can soften blood vessels and prevent atherosclerosis.

Citric acid is not harmful when consumed in moderation, but long-term consumption of canned food, jam and other processed food is easy to make too much citric acid in the body, thereby accelerating the body's calcium discharge, which can easily cause hypocalcemia.