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menaquinone

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
menaquinone /men·a·quin·one/ (men″ah-kwin´ōn) vitamin K2; any of a series of compounds having vitamin K activity and structurally similar to phytonadione (vitamin K1) but having a different side chain; synthesized by the intestinal flora.
men·a·quin·one (mn-kwnn, -kwnn)
n. Abbr. MK

menaquinone [men″ah-kwin´ōn]
any of a series of compounds having vitamin K activity, in which the phytyl side chain of phytonadione (vitamin K1) is replaced by a side chain of prenyl units.

menaquinone
any of a series of compounds having vitamin K activity, in which the phytyl side-chain of phytomenadione (vitamin K1) is replaced by a side-chain of prenyl units. Called also vitamin K2.


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Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study.
21 Menaquinone is a member of which group of vitamins?
They are needed to synthesise essential nutrients, such as Vitamin K which is necessary for blood coagulation and Vitamin K2 or menaquinone, which is produced by bacteria in the intestines, unless the intestines are damaged.
 
 
 
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