V2EX fructan

Fructan

定义 Definition

果聚糖:由许多果糖(fructose)单元连接形成的多糖(常见为菊粉 inulin 等类型),广泛存在于小麦、洋葱、大蒜、菊苣等植物中。人体通常不易直接消化,在营养学里常被归为一种膳食纤维/可发酵碳水。(在肠易激综合征等话题中也常作为 FODMAP 的一类被提及。)

发音 Pronunciation (IPA)

/frk.tn/

词源 Etymology

来自 **fruct-**(与 fructose “果糖”相关的词根)+ -an(化学与生物化学中常用于表示“某类物质/聚合物”的后缀),字面可理解为“由果糖构成的一类聚合物”。

例句 Examples

Many plants store energy as fructan.
许多植物以果聚糖的形式储存能量。

In some people, fructan-rich foods can cause bloating because fructans ferment in the gut.
对一些人来说,富含果聚糖的食物可能引起腹胀,因为果聚糖会在肠道中发酵。

相关词 Related Words

文学与著作 Literary Works

  • Food Chemistry(Belitz, Grosch & Schieberle)
  • Plant Physiology and Development(Taiz, Zeiger 等)
  • Kirk-Othmer Encyclopedia of Chemical Technology(相关条目中讨论 fructans/多糖)
  • The Oxford Companion to Food(与菊粉、膳食纤维与相关植物食材条目中常见)
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