C| assification ofⅦit B1/VB2IV PP TB族{V5Vp6V Water-soluble vit B11/VB12 Vit A fat-souble vit EVB1,VB2,VPP B族 VB5,VB6,VH water-soluble Vit VB11,VB12 Vit VC VA fat-souble Vit VD VE VK Classification of Vit