Sodium Citrate, also known as canestan oasis, is used as a laxative to prevent and manage constipation. It is also used to control inflammation in the bladder caused by infection of the urine especially in women. In surgical operations, sodium citrate prevents inhalations of stomach acid to the airways.
Sodium citrate used for culinary purposes comprises of three salts: monosodium citrate, disodium citrate and Trisodium citrate. It is commonly known as sodium citrate E331. It is used as an antioxidant, and food additive for flavor, while enhancing the quality and stability of foods and as a preservative. It is also used as a regulator in drinks, emulsifier for oils when producing cheese allowing it melt and preventing it from becoming greasy.
When used in medication, sodium citrate helps lessen the acidity levels in the urine. Urine with low acid concentration is easily removed from the kidneys, and prevents formation of certain kidney stones and gout. Sodium citrate is administered rectally as enema when used to relieve constipation before surgery. It is taken orally to reduce stomach acidity also known as cystitis before surgery. It is also used before general anaesthesia to prevent inhalation of stomach acid.
It is advisable to follow doctor's instructions while taking sodium citrate as a medication.