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用人工配制的半纯化低钼词料喂饲大鼠５周，其红细胞ＮＡＤＨ－细胞色素ｂ＿５高铁血红蛋白还原酶（ＮＡＤＨ－ｂ５－ＭＨｂＫ）活力下降。补钼１．０和５．０ｍｇ／ｋｇ可使其活力明显上升。对低钼组、低钼补钼０．１ｍｇ／ｋｇ组和低钼补钼１．０ｍｇ／ｋｇ组大鼠红细胞ＮＡＤＨ－ｂ＿５－ＭＨｂＲ活力和钼含量的相关性分析结果表明，两者呈明显正相关。结合反复失血实验结果，提出此酶可能是一种新的含钼酶或是依赖于钼的酶。
The rats were pre-treated with semi-purified low-molybdenum lecithin for 5 weeks and the activity of erythrocyte NADH-b5 methemoglobin reductase (NADH-b5-MHbK) was decreased. Molybdenum 1.0 and 5.0 mg / kg make it significantly increased vitality. The correlation analysis of NADH-b_5-MHbR activity and molybdenum content of red blood cells in low-molybdenum group, low-molybdenum-supplemented 0.1mg / kg group and low-molybdenum supplemented molybdenum 1.0mg / kg group showed that both were significantly positive Related. Combined with repeated blood loss test results, this enzyme may be proposed to be a new molybdenum-containing enzyme or a molybdenum-dependent enzyme.