DETERMINATION OF FREE AMINO-ACID ENANTIOMERS IN RAT-BRAIN AND SERUM BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY AFTER DERIVATIZATION WITH N-TERT-BUTYLOXYCARBONYL-L-CYSTEINE AND O-PHTHALDIALDEHYDE

被引:271
作者
HASHIMOTO, A [1 ]
NISHIKAWA, T [1 ]
OKA, T [1 ]
TAKAHASHI, K [1 ]
HAYASHI, T [1 ]
机构
[1] NCNP,NATL INST NEUROSCI,DIV BIOCHEM & CELLULAR BIOL,KODAIRA,TOKYO 187,JAPAN
来源
JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS | 1992年 / 582卷 / 1-2期
关键词
D O I
10.1016/0378-4347(92)80300-F
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The concurrent determination of free amino acid enantiomers and non-chiral amino acids in rat brain and serum was accomplished by high-performance liquid chromatography with fluorimetric detection after derivatization with N-tert.-butyloxycarbonyl-L-cysteine and o-phthaldialdehyde. The method revealed the presence of a large amount of free D-serine (0.22 mumol/g of tissue; D/D + L ratio = 0.25) in the brain whereas D-aspartate and D-alanine were established to be at trace levels. These results further support the presence of D-serine in adult brain tissues as demonstrated by recent work using gas chromatography.
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页码:41 / 48
页数:8
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