What is the function of citric acid
Mar 14, 2024
1. Used in food industry
Because citric acid has a mild and refreshing sour taste, it is widely used in the manufacture of various beverages, sodas, wines, candies, snacks, biscuits, canned juices, dairy products and other foods. Among all organic acids in the market, citric acid accounts for more than 70% of the market. So far, there is no sour agent that can replace citric acid. One molecule of crystallized water citric acid is mainly used as an acidic flavoring agent in refreshing drinks, juices, jams, fruit candies and canned food, etc. It can also be used as an antioxidant in edible oils. At the same time, it improves the sensory properties of food, enhances appetite and promotes the digestion and absorption of calcium and phosphorus substances in the body.
2. Used for sterilization
The combined effect of citric acid and 80°C temperature has a good effect on killing bacterial spores, and can effectively kill bacterial spores contaminated in the pipelines of hemodialysis machines. Lemon, known as the "King of Western Food", has a strong bactericidal effect and is very good for food hygiene. Coupled with the fragrance of lemon, people have always liked to use it to make cold dishes, which is not only delicious and refreshing, but also increases appetite.
3. Used in cosmetics
Citric acid is a type of fruit acid. Its main function is to accelerate the renewal of cuticles. It is often used in lotions, creams, shampoos, whitening products, anti-aging products, acne products, etc. The renewal of cutin helps to exfoliate melanin in the skin, shrink pores, dissolve blackheads, etc.
4. Take care of your body
Drinking a glass of lemon water every morning before eating any food can strengthen gastrointestinal motility, treat constipation, discharge toxins from the body, and achieve beauty effects. It can also remove oral odor and eliminate bad breath. A cup of hot lemon water every morning can also make your eyes brighter and your skin more rosy. If you add more lemon juice to the water, it will also help remove garbage from the body.
5. Used in chemical, pharmaceutical and textile industries
In chemical technology, citric acid can be used as a reagent for chemical analysis, experimental reagents, chromatographic analysis reagents and biochemical reagents; used to prepare buffer solutions. Using citric acid or citrate as a builder can improve the performance of washing products, quickly precipitate metal ions, prevent pollutants from re-attaching to the fabric, and maintain the necessary alkalinity for washing; it can disperse and suspend dirt and ash; It is an excellent chelating agent that improves the performance of surfactants; it can be used as a reagent to test the acid resistance of building ceramic tiles.
6. Dispel phlegm
What is less known is that lemons can also dispel phlegm, and their phlegm dispersing effect is even stronger than oranges and tangerines. Add lemon juice to warm water and salt, and drink it to cough up the thick phlegm accumulated in the throat smoothly, which is very effective. When a cold starts, you might as well drink water with lemon and honey to relieve sore throat.








