Cream of tartar

Name Variations

 * potassium acid tartrate
 * potassium bitartrate

About Cream of tartar
Wikipedia Article About Cream of tartar on Wikipedia

Potassium bitartrate also potassium hydrogen tartrate has formula KC4H5O6. It is a byproduct of wine making. It is also known as cream of tartar. It is a potassium acid salt of tartaric acid.

Tartar crystallises in wine casks during the fermentation of grape juice. This crude form (known as beeswing) is collected and purified to produce the white, odourless, acidic powder used for many culinary and other household purposes, such as:


 * Stabilising egg whites, increasing their heat tolerance and volume;
 * Preventing sugar syrups from crystallising;
 * Reducing discolouration of boiled vegetables;
 * Usage as a laxative;
 * Frequent combination with baking soda, as a leavening agent in formulations of baking powder.