menaquinone


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men·a·qui·none

 (mĕn′ə-kwĭ-nōn′, -kwĭn′ōn′)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

menaquinone

(ˌmɛnəkwɪˈnəʊn)
n
(Biochemistry) a form of vitamin K synthesized by bacteria in the intestine or in putrefying organic matter. Also: vitamin K2
[C20: from me(thyl)-na(phtho)quinone]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
These are K2 menaquinone 4 (MK-4) and K2 menaquinone 7 (MK-7).
esculenta (c,**) 0.05 491.75 110.45 - (*): culture, (**): wild, (a): Sanliurfa, (b): Elazig, (c): Antalya, (d): Bitlis K1 : phylloquinone, K2 : menaquinone, D2 : ergocalciferol, D3 : cholecalciferol Table 2.
High dietary menaquinone intake is associated with reduced coronary calcification.
Vitamin K is a term of a group of fat-soluble K-vitamins that are also naphthoquinones: Vitamin K or K1(phylloquinone), K2 (menaquinone), and K3 (menadione).Vitamin K1 and K2 are naturally found in our bodies.
Vitamin K(2) (menaquinone 4) reduces serum undercarboxylated osteocalcin level as early as 2 weeks in elderly women with established osteoporosis.
Both vitamin K1 (phylloquinone) and vitamin K2 (menaquinone) promote bone mineralization.
Based on the 16S rRNA signature nucleotide comparisons and menaquinone and phospholipid compositions, the genus was divided into Arcanobacterium and Trueperella gen.
(2003) Vitamin K(2) (menaquinone 4) reduces serum undercarboxylated osteocalcin level as early as 2 weeks in elderly women with established osteoporosis.
Ishikawa et al., "An alternative menaquinone biosynthetic pathway operating in microorganisms," Science, vol.
Vitamin K is another fat-soluble vitamin that exists in two forms of vitamin K: vitamin [K.sub.1] (phylloquinone, mainly found in green leafy vegetables) and vitamin [K.sub.2] (menaquinone, mainly found in fermented dairy and produced by lactic acid bacteria in the intestine) [15].
In a prospective population-based study (LOE-A) of 4807 subjects free from myocardial infarction at baseline followed up for 7 years, the odds ratio of the highest tertile intake of menaquinone (vitamin K2) compared to the lowest resulted in a significant risk reduction in coronary heart disease, 0.43 (CI 0.34-0.77); all-cause mortality, 0.74 (CI 0.59-0.92); and severe aortic calcification, 0.48 (CI 0.32-0.71).