V2EX tyrosinase

Tyrosinase

释义 Definition

酪氨酸酶:一种含铜氧化酶,催化酪氨酸及相关酚类化合物的氧化反应,是黑色素(melanin)生成的关键酶之一;也参与植物褐变(如切开的苹果变色)等过程。(在不同学科语境下还可泛指相关的多酚氧化酶活性。)

发音 Pronunciation (IPA)

/tarosnes/

例句 Examples

Tyrosinase helps produce melanin in the skin.
酪氨酸酶帮助在皮肤中生成黑色素。

Researchers measured tyrosinase activity to evaluate whether the extract could reduce enzymatic browning in sliced fruit.
研究人员测量酪氨酸酶活性,以评估该提取物是否能减少切片水果的酶促褐变。

词源 Etymology

tyrosinasetyrosine(酪氨酸)+ -ase(酶的常见后缀) 构成,字面意思是“作用于酪氨酸的酶”。其中 tyrosine 源自希腊语 tyros,意为“奶酪”(因酪氨酸最早与奶酪相关的研究而得名),而 -ase 是现代生物化学中用于命名酶类的通用后缀。

相关词 Related Words

文学作品 Literary Works

在传统文学经典中较少作为常用词出现;它更常见于生物化学、皮肤科学与食品科学相关的学术著作与科普写作中。例如可在讨论色素形成或褐变机制的教材中见到该词,如:

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Biochemistry (Berg, Tymoczko & Stryer)(《生物化学》斯特赖尔等)
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