Vitamin K denotes a group of 2-methilo-naphthoquinone derivatives.
See also:
They are human vitamins, lipophilic (i.e., soluble in lipids) and therefore hydrophobic (i.e., insoluble in water).
They are needed for the posttranslational modification of certain proteins, mostly required for blood coagulation.
Normally it is produced in the intestines, and dietary deficiency is extremely rare..
For more information about the topic Vitamin K, read the full article at Wikipedia.org, or see the following related articles:
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