structural:reformatting, information:classification
Food additives

Potassium sodium tartrate (KNaC H O, Rochelle salt) is a main constituent of some varieties of baking powder; it is also used in the silvering of mirrors. Potassium bromate (KBrO) is a strong oxidizer (E924), used to improve dough strength and rise height. Potassium bisulfite (KHSO) is used as a food preservative, for example in wine and beer -making (but not in meats). It is also used to bleach textiles and straw, and in the tanning of leathers.