PTI Citric Acid is one of the stronger edible acids, the dominant use of citric acid is as a flavoring and preservative in food and beverages, especially soft drinks and candies. PTI Citric Acid is using as an excipient in pharmaceutical preparations because of its antioxidant properties. But it maintains the stability of active ingredients and is using as a preservative. Citric acid appears as colorless, odorless crystals with an acid taste. D enser than water. 

Citric acid is an organic compound with the chemical formula HOC(CO2H)(CH2CO2H)2. But usually encountered as a white solid, it is a weak organic acid. It occurs naturally in citrus fruits. Citric acid is a weak organic acid found in citrus fruits. So it is a natural preservative and is also use to add an acidic (sour) taste to foods and soft drinks. In biochemistry, it is important as an intermediate in the citric acid cycle and therefore occurs in the metabolism of almost all living things.

Citric acid exists in a variety of fruits and vegetables, most notably citrus fruits. Lemons and limes have particularly high concentrations of acid; it can constitute as much as 8% of the dry weight of these fruits (about 47 g/L in the juices). The concentrations of citric acid in citrus fruits range from 0.005 mol/L for oranges and grapefruits to 0.30 mol/L in lemons and limes; these values vary within species depending upon the cultivar and the circumstances in which the fruit was grown. Because it is one of the stronger edible acids, the dominant use of citric acid is as a flavoring and preservative in food and beverages, especially soft drinks and candies.

Citric acid can use as an alternative to nitric acid in the passivation of stainless steel. Citric acid can be using as a blood acid regulator.

Benefits of Citric Acid:

1. Preserve food. It is used to keep food fresh for longer periods.

2. Preserve personal care products. It may keep cosmetics and other products fresh for longer.

3. Have protective effects in the body. Citric acid used in medicine can kill bacteria and lower the acid in urine.

4. Remove tough stains.