menaphthone Pharm.
(məˈnæfθəʊn)
[f. methyl + naphthalene + -dione.]
The name of menadione in the British Pharmacopœia.
| 1943 Brit. Pharmacopœia 1932 Add. vi. 19 Menaphthone should be kept in a well-closed container, protected from light. 1954 Thorpe's Dict. Appl. Chem. (ed. 4) XI. 369 Menaphthone, B.P.,..has outstanding activity, being several times as active as the natural vitamin-K. 1962 J. H. Burn Drugs, Med. & Man v. 60 It is fortunately possible to restore the prothrombin in the blood by giving vitamin K, or, as an alternative, a synthetic substance menaphthone, which is allied to vitamin K in composition. 1968 [see menadione]. |