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乙醇脱氢酶(ADH,EC 1.1.1.1)广泛存在于许多生物体中。在人类及多数动物体内,该酶负责分解有毒的醇类;在酵母及多种细菌中,某些醇脱氢酶则催化逆反应,作为发酵过程的组成部分。 本试剂盒提供一种快速、灵敏的ADH活力测定方法。其原理为:ADH催化乙醇与NAD⁺反应生成乙醛和NADH;生成的NADH进一步与特异性显色剂反应,产生在450 nm处具有最大吸收峰的黄色物质。通过连续监测450 nm处黄色物质的生成速率(其与ADH活力成正比),即可定量计算乙醇脱氢酶的活性。
Alcohol dehydrogenase (ADH, EC 1.1.1.1) is widely present in many organisms. In humans and most animals, this enzyme is responsible for the detoxification of toxic alcohols. In yeast and certain bacteria, however, some alcohol dehydrogenases catalyze the reverse reaction as part of the fermentation process. This kit provides a rapid and sensitive method for the determination of ADH activity. The principle is as follows: ADH catalyzes the reaction of ethanol and NAD⁺ to produce acetaldehyde and NADH. The generated NADH further reacts with a specific chromogenic reagent, yielding a yellow product with a maximum absorption peak at 450 nm. By continuously monitoring the rate of formation of the yellow product at 450 nm, which is directly proportional to the ADH activity, the alcohol dehydrogenase activity can be quantitatively calculated.