CHARACTERIZATION OF ALGAE BY PYROLYSIS DIRECT CHEMICAL IONIZATION (TANDEM) MASS-SPECTROMETRY

被引:9
作者
DEWAART, J
TAS, AC
LAVOS, GF
VANDERGREEF, J
机构
[1] TNO-CIVO Food Analysis Institute, 3700 AJ Zeist
关键词
ALGAE; COLLISION-INDUCED DISSOCIATION; DIRECT CHEMICAL IONIZATION; DISCRIMINANT ANALYSIS; HIGH-RESOLUTION MASS SPECTROMETRY; PYROLYSIS; TANDEM MASS SPECTROMETRY;
D O I
10.1016/0165-2370(91)87005-7
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Several marine algae, belonging to the classes of brown, red and green algae, were investigated by pyrolysis-direct chemical ionization mass spectrometry. Factor-discriminant analysis techniques applied to the pyrograms enabled differentiation between these classes. Pyrograms indicated relatively high levels of mannitol in brown algae and relatively high levels of methylhexose in red algae as was confirmed by tandem mass spectrometry. Codium fragile, a green algal strain, was characterized by higher intensities of peptide markers in its pyrogram. Analytical data obtained from these peptide markers were compared with those from Spirulina madras, a micro-algal species.
引用
收藏
页码:245 / 260
页数:16
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