1. Acidity Regulator / Buffering Agent – Changes or maintains the acidity or basicity of food/cosmetics
2. Binder / Stabilizer – Retains the physical characteristics of food/cosmetics and ensure the mixture remains in an even state
Potassium citrate (also known as tripotassium citrate) is a potassium salt of citric acid. It is a white, hygroscopic crystalline powder. It is odorless with a saline taste. As a food additive, potassium citrate is used to regulate acidity and is known as E number E332. It is also used in many soft drinks as a buffering agent.
Scientific References :
1. PubChem: https://pubchem.ncbi.nlm.nih.gov/compound/13344
Regulatory References :
1. US FDA Generally Recognized As Safe (GRAS)