Sodium citrate (E331) is a versatile food additive with several uses. Let’s explore its applications:

1. Acidity Regulator:

   • Sodium citrate is commonly used as an acidity regulator in food and drinks. It helps adjust the pH level, making it useful in various products.

   • When combined with citric acid, it enhances flavor and reduces acidity.

2. Emulsifier for Oils:

   • Sodium citrate acts as an emulsifier for oils. It enables cheeses to melt without becoming greasy.

   • In cheese making, it helps maintain a smooth texture.

3. Buffering Agent:

   • It can function as a buffering agent in dry blends, jellies, and beverages.

   • When combined with other acidulants, it helps stabilize the pH.

4. Tablet Disintegrant:

   • Sodium citrate can be used as a tablet disintegrant in pharmaceutical formulations.

5. Chelating Agent:

   • It serves as a chelating agent, binding to metal ions and preventing their adverse effects in food.

6. Anticoagulant for Blood:

   • In the pharmaceutical industry, sodium citrate is used to control pH and as an anticoagulant for blood samples.

7. Preventing Curdling of Milk:

   • Sodium citrate helps prevent the curdling of milk in certain food preparations.