Citric acid

Citric acid [formula WITH3N4HE (COOH)3)] - tricarboxylic hydroxy acid. Well soluble in water. It is distributed in the plant tissue. In living organisms is included in the tricarboxylic acid cycle (see biological Oxidation). Salt of lemon acid (citrates, such as sodium citrate) use as a means of preventing the blood from clotting, in the form of supplements to some medicines, foods, etc.

Citric acid - Tihonovna organic hydroxy acids.
NOOS - CH2 - S(HE) - CH2 - COOH
Solid crystalline substance. First discovered in the juice of unripe lemons. In large quantities present in currant, chokeberry, cranberries, beet juice and so on; many in the juice of the fruits of wild pomegranate and in the leaves of some varieties of tobacco (in combination with nicotine); it also occurs in animals and humans. Salt of Lemon acid called citrates. Citrate alkali metals soluble in water.
Source of L. K. serve the above plants. Use the ability of some fungi to turn in L. K. carbohydrates (50%).
Citric acid is used in the food industry (in the preparation of soft fizzy drinks), medicine (for cooking some pharmacological preparations; sodium citrate is used to prevent blood clotting), in colour photography (as a Supplement to the solutions of dyes). L. K. plays an important role in the metabolism of the body: it is one of the essential components of the citrate cycle, which is of great importance in the metabolism of carbohydrates, fats and proteins. Cm. also the biological Oxidation.