leather

Vitamin K – leather bracelet watch – digital display watches : Vitamins

Article by hi joiney

Chemical structure All members of the vitamin K group of vitamins share a methylated naphthoquinone ring structure and vary in the aliphatic side chain attached at the 3 position see figure 1 Phylloquinone also known as vitamin K1 invariably contains in its side chain four isoprenoid residues one of which is unsaturated Menaquinones have side chains composed of a variable number of unsaturated isoprenoid residues generally they are designated as MK n where n specifies the… Continue reading