[Encyclopedia of Chemical Engineering]:What are the functions and uses of citric acid

Citric acid enjoys a wide range of applications in daily life, and it can be used in a variety of fields such as food, cosmetics, and cleaning agents. In this article, we will delve into the role and uses of citric acid.
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First of all, citric acid is an organic acid that can be used as a food additive and has a sour and fresh taste. The acidity of citric acid enhances the taste of food and also acts as an antioxidant to extend the shelf life of food. With the help of citric acid, the taste of food is enriched and it helps to protect the quality and nutritional value of the food.


In addition to food, citric acid can also be used as a cosmetic ingredient. With its mild acidity, it helps to remove old flakes from the skin surface, resulting in smoother skin. In addition, citric acid acts as a preservative, preventing cosmetics from deteriorating and maintaining their stability.

Citric acid is also an important ingredient in the manufacturing process of cleaning agents. It has the effect of stain removal, scale removal, voice removal and disinfection. Also, due to its mild nature, citric acid can be used to clean metal surfaces such as aluminum, mirrors and stainless steel to avoid scratching and oxidation.

In addition, citric acid possesses a wide range of applications in the chemical and pharmaceutical fields. Citric acid can be used as an acid-base balancing agent in medicine, and it can also be used in the synthesis of high-grade crafts such as glass, crystal and ceramics.

In short, citric acid, as an important organic acid, has a wide range of applications. From food to cosmetics to cleaning agents, citric acid plays an important role. With the increasing demand for environmental protection and safety, the potential of using citric acid is being explored. In conclusion, citric acid, as an important organic acid, has a wide range of application areas. From food to cosmetics to cleaning agents, citric acid plays an important role. With the increasing demand for environmental protection and safety, the potential of using citric acid is being explored.