by Analog Resistance
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چکیده
In recent years, it has been proved that vitamin K has important roles not only in blood coagulation but also in bone metabolism.i-i4) There are two types of vitamin K isolated from nature, vitamin Ki Cphylloquinone) synthesized mainly by plants, and vitamin K2 (menaquinone) rnade mainly by rnicroorganisms. Furthermore, there are fourteen kinds of menaquinone, depending upon the chain length of the isoprene combining quinone skeleton, which are MK-1 to MK-14. It has been recently demonstrated that vitamin K has a more important role in carboxylation of 7-glutamate residues of osteocalcin, which
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تاریخ انتشار 2017