维生素B_6(吡哆醇,PN)在人体内参与氨基酸及脂肪的代谢,用于防治异烟肼中毒以及妊娠、放射病和抗癌药所致的呕吐,也用于脂溢性皮炎。维生素B_6被摄入机体后,在肝脏中酶的作用下转变为吡哆醛(PL)、磷酸吡哆醛(PLP)、吡哆胺(PM)等,最后 Vitamin B_6 (pyridoxine, PN) is involved in the metabolism of amino acids and fats in the human body for the prevention and treatment of isoniazidosis and vomiting caused by pregnancy, radiation sickness and anticancer drugs, and also for seborrheic dermatitis. Vitamin B_6 is taken into the body and transformed into pyridoxal (PL), pyridoxal phosphate (PLP) and pyridoxamine (PM) under the action of enzymes in the liver. Finally,