V2EX reducing sugar

Reducing Sugar

定义 Definition

还原糖:指分子中具有可被氧化的游离醛基或酮基(或在溶液中能转化生成这些基团)的糖,因而能把某些氧化剂(如费林试剂、本尼迪克特试剂、托伦试剂)还原。常见还原糖包括葡萄糖、果糖、乳糖、麦芽糖等;蔗糖通常不属于还原糖(在未水解时)。

发音 Pronunciation

/rdus r/

例句 Examples

Reducing sugars like glucose can react during heating and change the color of food.
还原糖(如葡萄糖)在加热时会发生反应,从而改变食物的颜色。

Because milk contains lactose, a reducing sugar, it can contribute to browning through the Maillard reaction when cooked.
由于牛奶含有还原糖乳糖,加热烹调时会通过美拉德反应促进褐变。

词源 Etymology

“Reducing sugar”由 reducing(还原的)+ sugar(糖)构成。这里的 reducing 用的是化学意义:这类糖在反应中充当还原剂,把其他物质还原,而自身被氧化;因此得名“还原糖”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Harold McGee《On Food and Cooking: The Science and Lore of the Kitchen》:在讨论食物褐变与风味形成时,涉及还原糖与氨基酸的美拉德反应。
  • Nathan Myhrvold 等《Modernist Cuisine: The Art and Science of Cooking》:在烹饪化学部分谈到还原糖对上色与风味的影响。
  • Lehninger《Principles of Biochemistry》(《雷宁格生物化学原理》):在糖类化学与单糖/二糖反应性章节中使用“reducing sugar/还原糖”概念。
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