The last of the vitamins we will consider. The K vitamins form another family of fat soluble vitamins.
It is involved in blood coagulation and metabolic pathways in bones.
Image kindly reproduced according to the licence at: http://en.wikipedia.org/wiki/File:Phylloquinone_structure.svg
Deficiencies of vitamin K are unusual and rare, although newborns are at risk of lack of it.
Next week we will continue looking at food chmeistry and will concentrate on the role of minerals in the body.