V2EX glycemic load

Glycemic Load

Definition / 释义

Glycemic load(血糖负荷):衡量某种食物在“实际摄入量”下对血糖影响的指标,综合考虑了升糖指数(GI)碳水化合物含量。一般来说,血糖负荷越高,吃同样分量时越容易让血糖升得更明显。(该术语主要用于营养学与糖尿病相关饮食管理。)

Pronunciation / 发音

/lasimk lod/

Examples / 例句

This snack has a low glycemic load.
这种零食的血糖负荷很低。

Although watermelon has a high GI, its glycemic load can be low in a typical serving because it contains relatively little carbohydrate per portion.
虽然西瓜的升糖指数(GI)较高,但在常见食用分量下,它的血糖负荷可能并不高,因为每份所含碳水化合物相对较少。

Etymology / 词源

Glycemic 来自 *glyc-*(与“糖”有关,源自希腊语 glykys “甜”)+ -emic(与“血液/血中”相关的构词成分);load 意为“负荷/负担”。合起来强调“对血糖造成的负荷”。该概念在现代营养学中用于补充单看 GI 的局限:GI 只比较“同量碳水”对血糖的影响,而血糖负荷更贴近“你实际吃了一份多少”的情境。

Related Words / 相关词

Literary Works / 文学作品

  • The New Glucose Revolution(Jennie Brand-Miller 等):以通俗方式介绍 GI 与 glycemic load 的饮食应用。
  • The Glycemic Load Diet(Rob Thompson):以“血糖负荷”为核心概念的饮食指导类书籍。
  • The Oxford Handbook of Nutrition and Dietetics:在临床营养与饮食评估相关章节中讨论 GI 与 glycemic load 的使用场景。
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