Potassium bitartrate
Potassium bitartrate (pronunciation: pəˈtæsiəm baɪˈtɑːtreɪt), also known as cream of tartar, is a byproduct of winemaking. It is the potassium acid salt of tartaric acid (a carboxylic acid).
Etymology
The term "bitartrate" comes from the chemical composition of the compound, which includes two (bi-) tartrate ions. The name "cream of tartar" comes from the French "crème de tartre", which was originally a phrase used in making pastries and has been known since at least the 14th century.
Chemical properties
Potassium bitartrate is a white, crystalline powder. It is a weak acid, and is used in baking as a leavening agent, in combination with baking soda. It is also used in the production of certain types of candy to prevent crystallization of sugars.
Medical uses
In medicine, potassium bitartrate has been used as a purgative (laxative). It is also used in the treatment of hypokalemia, a condition characterized by low levels of potassium in the blood.
Related terms
See also
External links
- Medical encyclopedia article on Potassium bitartrate
- Wikipedia's article - Potassium bitartrate
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