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A synthetic compound, C11H8O2, obtained by oxidation of 2-methylnaphthalene, that is converted in the body to vitamin K2 and is used as an additive in animal feed. Also called vitamin K3.


(Biochemistry) a yellow crystalline compound used in fungicides and as an additive to animal feeds. Formula: C11H8O2. Also: vitamin K3
[C20: from me(thyl) + na(phtha) + di-1 + -one]


(ˌmɛn əˈdaɪ oʊn)

a synthetic yellow crystalline powder, C11H8O2, insoluble in water, used as a vitamin K supplement. Also called vitamin K 3.
[1940–45; me (thyl) + na (phthalene) + di-1 + -one]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.menadione - a form of vitamin K
antihemorrhagic factor, naphthoquinone, vitamin K - a fat-soluble vitamin that helps in the clotting of blood
References in periodicals archive ?
Tenders are invited for Supply of Menadione sodium bisulphite injection
2014) suggested that the suppression of an ovarian cancer cell (OVCAR-3) invasion via FAK and integrin-[beta]1 inhibition by menadione could be attributed to its promoting effect on ROS formation.
12 * Vitamin premix, diluted in cellulose, contained the following vitamins (measured in milligrams per kilogram diet): vitamin A, 350,000 IU; vitamin D3,450,00 IU; vitamin E, 20 g; menadione, 7.
Antioxidant deficit in gills of Pacific oyster (Crassostrea gigas) exposed to chlorodinitrobenzene increases menadione toxicity.
Interestingly, mitochondrial ROS generators such as menadione (113) and antimycin A (114) have also been shown to initiate cardioprotection in a fashion similar to that seen with volatile agents.
Hana said it expects that the financing will provide the funds needed to develop Marqibo to approval and commercialisation for relapsed/refractory adult ALL patients; to study Marqibo in front-line adult ALL and lymphoma patients; and to unlock the full potential of menadione topical lotion, a first-in-class therapeutic targeted at the dose-limiting skin toxicities in cancer patients taking EGFR inhibitors.
Menadione, 800 mg; Riboflavin, 2200 mg; Thiamin, 3200mg; Niacin, 400 mg; Pyridoxine, 480 mg; Calcium pantothenate, 2800 mg; Folate 240 mg; Choline choride, 2x[10.
provides Menadione sodium bisulfite market situation overview and supplies with a list of Menadione sodium bisulfite manufacturers and suppliers worldwide
Infant Face Mask, Iron Folic Acid-(Syrup), Ketamine 10ml, Leucoplast, Lignocaine inj, Low Pressure Electrics Suction Machine, Menadione (Vitamin K3)lml,
The following compounds were purchased from Sigma Aldrich (Taufkirchen, Germany): paclitaxel (PTX), 5-Fluorouracil (5-FU), menadione (MD), tert-butyl hydroperoxide (TBHP), N-acetyl cysteine (NAC), glutathione (GSH), 3H-1, 2-dithiole-3-thione (D3T), [alpha]-Tocopherol ([alpha]-TOC), ascorbic acid (AA).
The shareholders of Talon are also entitled to receive contingent value rights (CVRs) of up to $195 million in cash payments on achieving certain milestones related to Talon's Marqibo and Menadione Topical Lotion, which will be added to Spectrum Pharma's portfolio following the acquisition.
c) provided per kilogram of diet: vitamin A (as all-trans retinol acetate), 15,000 IU; cholecalciferol, 3 900 IU; vitamin E (as all-rac-[alpha]-tocopherol acetate), 30 IU; vitamin K (as menadione sodium bisulfate), 3.