Sodium citrate, anhydrous is a sodium salt of citric acid. It is commonly used as a food additive, as well as in various other applications. Here's some information about sodium citrate, anhydrous:

1. Chemical Formula: Sodium citrate, anhydrous has the chemical formula Na3C6H5O7. It is formed by the combination of sodium hydroxide (NaOH) with citric acid (C6H8O7).

2. Function: Sodium citrate, anhydrous serves multiple purposes in food and beverage industry. It is primarily used as a buffering agent, pH regulator, emulsifier, and preservative. It helps to control acidity, enhance flavors, and stabilize food products.

3. Food Additive: Sodium citrate, anhydrous is commonly used in a wide range of food products, including carbonated beverages, jams, jellies, dairy products (e.g., cheese), sauces, and processed meats. It acts as a chelating agent, which helps to prevent discoloration and maintain the stability of food components.

4. Emulsification: Sodium citrate, anhydrous has the ability to emulsify fats and oils in food products. It helps create stable emulsions, prevents separation, and improves the texture and mouthfeel of products like sauces and dressings.

5. Pharmaceutical Uses: Sodium citrate, anhydrous is also used in the pharmaceutical industry. It serves as a buffering agent in medications and is commonly found in oral solutions and syrups to adjust pH and improve taste.

6. Anticoagulant: Sodium citrate, in combination with citric acid, is used as an anticoagulant in blood collection tubes. It helps prevent blood from clotting by binding to calcium ions and inhibiting coagulation.

7. Safety Considerations: Sodium citrate, anhydrous is generally regarded as safe for consumption when used in accordance with approved guidelines and regulations. It is considered non-toxic and widely used in the food industry. However, individuals with specific health conditions, such as kidney problems or restricted sodium diets, should consult with a healthcare professional before consuming products containing sodium citrate.

When using sodium citrate, anhydrous or any food additive, it is important to follow recommended usage levels and consult with professionals or regulatory authorities for specific guidance.