| 释义 |
antivitamin
an·ti·vi·ta·min A0352100 (ăn′tē-vī′tə-mĭn, ăn′tī-)n. A substance that destroys or inhibits the metabolic action of a vitamin.antivitamin (ˌæntɪˈvɪtəmɪn) na substance that inhibits the effects of a vitaminantivitamin
antivitamin[‚an·tē′vīd·ə·mən] (biochemistry) Any substance that prevents a vitamin from normal metabolic functioning. antivitamin
antivitamin [an″te-, an″ti-vi´tah-min] a substance that inactivates or inhibits synthesis of a vitamin.an·ti·vi·ta·min (an'tē-vī'tă-min), A substance that prevents a vitamin from exerting its typical biologic effects. Most antivitamins have chemical structures like those of vitamins (for example, pyridoxine and its antivitamin, deoxypyridoxine) and appear to function as competitive antagonists; some antivitamins produce effects, in addition, which are unrelated to vitamin antagonism.antivitamin (ăn′tē-vī′tə-mĭn, ăn′tī-)n. A substance that destroys or inhibits the metabolic action of a vitamin.an·ti·vi·ta·min (an'tē-vī'tă-min) A substance that prevents a vitamin from exerting its typical biologic effects. Most antivitamins have chemical structures like those of vitamins and appear to function as competitive antagonists. |