完整青蛙肌肉在储存和咖啡因挛缩时自然丰度13C核磁共振谱的变化。

Changes in the natural abundance 13C NMR spectra of intact frog muscle upon storage and caffeine contracture.

作者信息

Bárány M, Doyle D D, Graff G, Westler W M, Markley J L

出版信息

J Biol Chem. 1982 Mar 25;257(6):2741-3.

Abstract

The carbons of phospholipids have limited mobility in fresh, resting, gastrocnemius frog muscle, but a population of phospholipids gains considerable mobility upon storage in the muscle or in contracture induced by caffeine. In parallel with the appearance of sharp phospholipid resonances, lactic acid also appears in the 13C NMR spectra. There is a correlation between the mobility of phospholipids and the depletion of phosphocreatine and ATP in muscle.

摘要

在新鲜、静止的青蛙腓肠肌中，磷脂的碳原子流动性有限，但在肌肉储存或由咖啡因诱导的挛缩过程中，一部分磷脂的流动性会显著增加。与尖锐的磷脂共振峰出现同时，13C NMR谱中也出现了乳酸。肌肉中磷脂的流动性与磷酸肌酸和ATP的消耗之间存在相关性。