V2EX resistant starch

Resistant Starch

定义 Definition

抗性淀粉:一种在小肠中不易被消化吸收、会进入大肠并被肠道菌发酵的淀粉。它常被视为一种“类似膳食纤维”的碳水化合物,有助于产生短链脂肪酸(如丁酸),支持肠道健康与代谢调节。(在不同语境下也可能泛指“难消化的淀粉部分”。)

发音 Pronunciation

/zstnt strt/

例句 Examples

Cooked and cooled rice contains more resistant starch.
煮熟后再冷却的米饭含有更多抗性淀粉。

Because resistant starch reaches the colon, it can be fermented by gut bacteria and may improve blood sugar response over time.
由于抗性淀粉会到达结肠,它可被肠道菌发酵,长期来看可能有助于改善血糖反应。

词源 Etymology

resistant 来自拉丁语 resistere(“抵抗、反抗”),表示“能够抵抗某种作用的”;starch 源自日耳曼语系词根,指“淀粉”。合起来 resistant starch 字面意思就是“能抵抗(消化)的淀粉”,强调它对小肠消化酶的“耐受/抵抗”特性。

相关词 Related Words

文学与作品 Literary Works

  • The Good Gut(Justin & Erica Sonnenburg)在讨论肠道菌群与饮食纤维/可发酵碳水时,常提及抗性淀粉的作用。
  • Fiber Fueled(Will Bulsiewicz)以“喂养肠道菌”为主线,介绍包括抗性淀粉在内的多种促发酵食物成分。
  • The Resistant Starch Diet(Tim Steele)以抗性淀粉为核心概念的饮食科普书,讨论其与体重、血糖等的关系。
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