Glyceric acid
（重定向自Glycerate）
Glyceric acid is a natural three-carbon sugar acid. Salts and esters of glyceric acid are known as glycerates.
glycerol after reacting with gym-an oxygen giving reagent (such as KMnO4+H2SO4) produced glyceric acid.
KMnO4+3H2SO4=K2SO4+3H20+5[O] CH2OH-CHOH-CH2OH+[O]=CH2OH-CHOH-COOH+H2O