Definition: 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.
deficiency: coordinate VITAMIN K 2 (IM) with VITAMIN K DEFICIENCY (IM)
Other names Vitamin K2; Vitamin K Quinone; Menaquinones; Menaquinone
vitamin MK 7 [ menaquinone 7,menaquinone-7,vitamin K2(35) ] RN given refers to (all-E)-isomer; RN for cpd without isomeric designation not available 2/90
