| equivalent extract | A fluidextract of the same strength, weight for weight, as the original drug. Synonym: valoid. (05 Mar 2000) |
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| extract | <pharmacology> A concentrated preparation of a vegetable or animal drug obtained by removing the active constituents therefrom with a suitable menstruum, evaporating all or nearly all the solvent and adjusting the residual mass or powder to a prescribed standard. Extracts are prepared in three forms, semiliquid or of syrupy consistency, pilular or solid and as dry powder. Origin: L. Extractum (18 Nov 1997) |
| yeast extract agar | A medium used to induce sporulation and reduce vegetative growth in the cultivation of fungi. (05 Mar 2000) |
| liquid extract | Pharmacopeial liquid preparation of vegetable drugs, made by percolation, containing alcohol as a solvent or as a preservative, or both, and so made that each milliliter contains the therapeutic constituents of 1 g of the standard drug that it represents. Synonym: liquid extract. (05 Mar 2000) |