家族成员及其主要功能维生素B是个大家族,包括维生素B1(硫胺素)、B2(核黄素)、B3(烟酸)、B5(泛酸)、B6、B12和叶酸等。维生素B是一个总称,有的时候也称其为维生素B族、维生素B复合群等。每一种维生素B都有其特性,并对人体起到独特的作用。作为一个群组,这些营养素具有诸多相似之处,因此它们通常被视为一个整体。维生素B都是水溶性的, Family members and their main functions Vitamin B is a large family of vitamin B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6, B12 and folic acid. Vitamin B is a general term, sometimes referred to as vitamin B family, vitamin B complex and so on. Each vitamin B has its own characteristics, and play a unique role on the human body. As a group, these nutrients have many similarities, so they are often considered as a whole. Vitamin B is water-soluble,