vitamin K

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Synonyms for vitamin K

a fat-soluble vitamin that helps in the clotting of blood

References in periodicals archive ?
Leal et al., "Tabebuia avellanedae naphthoquinones: Activity against methicillin-resistant staphylococcal strains, cytotoxic activity and in vivo dermal irritability analysis," Annals of Clinical Microbiology and Antimicrobials, vol.
In addition to lapachol (2, Figure 1), different structural types of naphthoquinones, such as pyran and furanonaphthoquinones, are found in Bignoniaceae [18, 19] and disclose abroad spectrum of biological activities, including antitumor [20-23], trypanocidal [24], anti-inflammatory [7], antifungal [25], and antiparasitic activities [26-33].
Sakunphueak and P Panichayupakaranant, "Comparison of antimicrobial activities of naphthoquinones from Impatiens balsamina," Natural Product Research, vol.
Naphthoquinones as allelochemical triggers of programmed cell death.
3-Ethyl-2,7-dihydroxynaphthazarin 13 and islandoquinone 14a-d are naphthoquinones, co-isolated from a variant of Cetraria islandica, namely Cetraria islandica var.
Nonetheless, polar steroids are proved to be an important natural product isolated from brittle stars which are responsible for their cytotoxicity, terpenes, naphthoquinones, phenylpropanoids, carotenoids and cerebrosides have been isolated from brittle stars and might have pharmacological activities (13).
cassumunar rhizomes have revealed the presence of phenylbutanoids, cyclohexene derivatives, naphthoquinones, vanillin, vanillic acid, veratric acid [2-5], terpenoids, [beta]-sitosterol, and curcuminoids [6-9].
Unfortunately, we were unable to identify the dominant compounds in the extracts from the leaves, but on the basis of literature data [1] it can be concluded that naphthoquinones and flavonoids are considered as major phenolic compounds of Juglans regia leaves.
The major chemical structures of natural dyes are anthraquinone (madder), alpha naphthoquinones, flavones, indigoids, and carotenoids [11, 12].
Amongst these allelochemicals are limonoids, labdane diterpenoids, and polyketides that include flavonoids and some naphthoquinones [12-17].