V2EX galactose

Galactose

定义 Definition

galactose(半乳糖):一种单糖(简单糖),常与葡萄糖一起组成乳糖(牛奶中的主要糖)。在人体内可参与能量代谢与糖类合成。该词在生物化学语境中最常见;在其他语境下较少使用。

发音 Pronunciation (IPA)

/lk.tos/

例句 Examples

Galactose is one of the sugars found in milk.
半乳糖是牛奶中存在的糖之一。

After digestion, lactose breaks down into glucose and galactose, which the body can use for energy.
消化后,乳糖会分解成葡萄糖和半乳糖,人体可以利用它们获取能量。

词源 Etymology

galactose 来自希腊语 gála(γλα,意为“牛奶”)+ 化学中常见的糖类后缀 -ose(表示“糖”)。因此字面含义接近“与牛奶有关的糖”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Jude the Obscure(Thomas Hardy):作品中出现与“乳/奶、营养与食物”相关的讨论,常见于含科学或医学背景的版本注释里会提到 lactose/galactose 等术语。
  • Middlemarch(George Eliot):在涉及医学与科学话题的章节与注释材料中,常可见糖类与代谢相关术语(如 glucose/galactose)的提及(多见于带学术注释的版本)。
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