International Numbering System (INS) for Food Additives: 330
Food additives Europe numbers: E330
Anhydrous citric acid is a form of citric acid used in some medical applications, but it's not as common as citric acid monohydrate (the form you typically find in grocery stores). Here's a breakdown of its medical uses:
Potential Use in Cardiac Surgery:
- Research suggests anhydrous citric acid might be used as an anticoagulant during a specific heart surgery procedure called cardioplegia [1]. This involves stopping the heart temporarily to protect it while surgeons operate on coronary arteries. However, more research is needed to confirm its effectiveness and safety for this purpose [1].
Other Potential Uses:
- Anhydrous citric acid may have other applications in medicine, but information is limited. It's possible it could be used as a component in certain medications or for its acidic properties in specific situations.
Generally Recognized as Safe (GRAS):
- It's important to note that citric acid, including anhydrous citric acid, is generally recognized as safe (GRAS) by the FDA when used in normal amounts [2]. This means it's considered unlikely to cause harm in typical applications.
Always Consult a Medical Professional:
- Anhydrous citric acid is not a common medication you would take yourself. If you have any questions about its use in a specific medical context, it's important to consult with a doctor or pharmacist.