《英文msh词典》Vitamin K Quinone
[入口词] Vitamin K Quinone
[主题词] Vitamin K 2
[药动学] Antifibrinolytic Agents
[英文释义] A group of substances similar to VITAMIN K 1 which contains a ring of 2-methyl-1,4-naphthoquinione and an isoprenoid side chain of varying number of isoprene units. In vitamin K 2,each isoprene unit contains a double bond. They are produced by bacteria including the normal intestinal flora.