Sodium citrate is a sodium salt of citric acid. It is commonly used as a food additive, often for flavor or as a preservative. In the food industry, it is known by the E number E331. Sodium citrate is also used in medical settings as an anticoagulant and to control the acidity of urine.
Chemically, sodium citrate is the sodium salt of citric acid, which means it is formed when citric acid is neutralized by a sodium base. It has a slightly salty and sour taste, making it a popular ingredient in various food products, including beverages, dairy products, and processed foods.
In addition to its culinary uses, sodium citrate is also used in the medical field. It is often added to blood collection tubes to prevent clotting. It is also used in some medications to help control the pH levels in the body.
Overall, sodium citrate is a versatile compound with a wide range of applications in both the food and medical industries.