V2EX bcaa

BCAA

释义 Definition

BCAAbranched-chain amino acids 的缩写,指“支链氨基酸”,主要包括三种必需氨基酸:亮氨酸(leucine)异亮氨酸(isoleucine)缬氨酸(valine)。常见于运动营养与补剂语境,用来讨论肌肉蛋白合成、疲劳与恢复等。(在不同语境下也可指含这些成分的补充剂产品。)

发音 Pronunciation (IPA)

/bi si e e/

例句 Examples

I take BCAA after my workout.
我在训练后补充 BCAA。

Although the evidence is mixed, some athletes use BCAA supplements to support recovery during intense training periods.
尽管研究结论并不一致,一些运动员仍会在高强度训练阶段使用 BCAA 补剂来帮助恢复。

词源 Etymology

BCAA 属于现代英语中的首字母缩略词,来自 Branched-Chain Amino Acids(支链氨基酸)。其中 branched-chain 指这三种氨基酸的侧链结构呈“分支”形态;该术语在运动科学与营养学文献中广泛使用,后来进入健身与补剂市场的日常表达。

相关词 Related Words

文学与著作 Literary Works

  • Essentials of Strength Training and Conditioning(NSCA,人体运动与体能训练经典教材中常讨论氨基酸与补剂,包括 BCAA 相关内容)
  • Sports Nutrition(Asker Jeukendrup 等,运动营养学教材中涉及支链氨基酸与运动表现/恢复)
  • Clinical Sports Nutrition(Louise Burke 等,临床与运动营养参考书中讨论 BCAA 在训练与膳食中的应用与证据)
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