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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
酪氨酸解氨酶（TAL）广泛存在于植物和微生物中，是苯丙氨酸代谢途径的关键酶之一。TAL能够绕过肉桂酸-4-羟基化酶（C4H），直接将酪氨酸转化为香豆酸，香豆酸可进一步生成白藜芦醇、柚皮素等具有抗氧化、抗衰老作用的苯丙素类天然产物。本试剂盒的测定原理为：TAL催化酪氨酸分解生成香豆酸，使反应溶液在333 nm处的吸光度随反应时间而上升；通过测定333 nm处吸光度的变化率，即可计算TAL的酶活性。
Tyrosine ammonia-lyase (TAL) is widely distributed in plants and microorganisms and is one of the key enzymes in the phenylpropanoid metabolic pathway. TAL can bypass cinnamate-4-hydroxylase (C4H) and directly convert tyrosine to p-coumaric acid, which can be further converted into phenylpropanoid natural products such as resveratrol and naringenin that possess antioxidant and anti-aging activities. The assay principle of this kit is as follows: TAL catalyzes the decomposition of tyrosine to generate p-coumaric acid, causing the absorbance of the reaction solution at 333 nm to increase over time. By measuring the rate of change in absorbance at 333 nm, the enzyme activity of TAL can be calculated.
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