Vitamin B6 (Vitamin B6), also known as pyridoxine, includes pyridoxine, pyridoxal, and pyridoxamine. It exists in the form of phosphate in the body. It is a water-soluble vitamin that is easily destroyed by light or alkali. High temperature resistance. It was named vitamin B6 in 1936. Vitamin B6 is colorless crystals, easily soluble in water and ethanol, stable in acid solution, easily broken in alkaline solution, pyridoxine is heat-resistant, pyridoxal and pyridoxamine are not resistant to high temperature. Vitamin B6 is more abundant in yeast, liver, grains, meat, fish, eggs, beans and peanuts.