Citric acid is a weak organic acid that has the chemical formula C ₆H ₈O ₇.
It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.
More than a million tons of citric acid are manufactured every year.
What is citric acid used for?
Citric acid is a weak organic acid found in citrus fruits.
It is a natural preservative and is also used 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.
In addition to its use in cleaning products, citric acid is used in a variety of other industries, such as personal care, agricultural, food, pharmaceutical, and electroplating industries.
In the food industry, it serves as a preservative, flavoring agent, and vegetable rinse.