Optimized GC-MS method to simultaneously quantify acetylated aldose, ketose, and alditol for plant tissues based on derivatization in a methyl sulfoxide/1-methylimidazole system.
Identifieur interne : 002651 ( Main/Curation ); précédent : 002650; suivant : 002652Optimized GC-MS method to simultaneously quantify acetylated aldose, ketose, and alditol for plant tissues based on derivatization in a methyl sulfoxide/1-methylimidazole system.
Auteurs : Ke Li [République populaire de Chine] ; Shichang Liu ; Yupeng Tan ; Nan Chao ; Xiaoming Tian ; Liwang Qi ; William A. Powell ; Xiangning Jiang ; Ying GaiSource :
- Journal of agricultural and food chemistry [ 1520-5118 ] ; 2013.
Descripteurs français
- KwdFr :
- Acétylation (MeSH), Anhydrides acétiques (composition chimique), Chromatographie gazeuse-spectrométrie de masse (méthodes), Cétoses (sucres) (analyse), Diméthylsulfoxyde (composition chimique), Ginkgo biloba (composition chimique), Glucose (analyse), Imidazoles (composition chimique), Limite de détection (MeSH), Oses (composition chimique), Polyols (analyse), Populus (composition chimique).
- MESH :
- analyse : Cétoses (sucres), Glucose, Polyols.
- composition chimique : Anhydrides acétiques, Diméthylsulfoxyde, Ginkgo biloba, Imidazoles, Oses, Populus.
- méthodes : Chromatographie gazeuse-spectrométrie de masse.
- Acétylation, Limite de détection.
English descriptors
- KwdEn :
- Acetic Anhydrides (chemistry), Acetylation (MeSH), Dimethyl Sulfoxide (chemistry), Gas Chromatography-Mass Spectrometry (methods), Ginkgo biloba (chemistry), Glucose (analysis), Imidazoles (chemistry), Ketoses (analysis), Limit of Detection (MeSH), Monosaccharides (chemistry), Populus (chemistry), Sugar Alcohols (analysis).
- MESH :
- chemical , analysis : Glucose, Ketoses, Sugar Alcohols.
- chemical , chemistry : Acetic Anhydrides, Dimethyl Sulfoxide, Imidazoles, Monosaccharides.
- chemistry : Ginkgo biloba, Populus.
- methods : Gas Chromatography-Mass Spectrometry.
- Acetylation, Limit of Detection.
Abstract
The isomers of monosaccharide always produce multiple chromatographic peaks as volatile derivatives during gas chromatography, which may result in the overlapping of different sugar peaks. Whereas reduction and oximation of sugar carbonyl groups for GC analysis do eliminate many isomer derivatives, the approaches create new problems. One ketose can yield two peaks by oximation, and different aldoses and ketoses can yield the same alditol upon reduction, leading to the inability to detect some important monosaccharides. This paper reports an optimal method that yields a single peak per sugar by acetylation directly. By using a methyl sulfoxide (Me2SO)/1-methylimidazole (1-MeIm) system, the carbohydrates in acetic anhydride (Ac2O) esterification reactions were solubilized, and the oxidation that normally occurs was inhibited. The results demonstrate that acetylated derivatives of 23 saccharides had unique peaks, which indicates aldose, ketose, and alditol can be determined simultaneously by GC-MS.
DOI: 10.1021/jf3053862
PubMed: 23541076
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pubmed:23541076Le document en format XML
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<affiliation wicri:level="1"><nlm:affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University , Beijing 100083, People's Republic of China.</nlm:affiliation>
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<author><name sortKey="Tan, Yupeng" sort="Tan, Yupeng" uniqKey="Tan Y" first="Yupeng" last="Tan">Yupeng Tan</name>
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<author><name sortKey="Chao, Nan" sort="Chao, Nan" uniqKey="Chao N" first="Nan" last="Chao">Nan Chao</name>
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<author><name sortKey="Tian, Xiaoming" sort="Tian, Xiaoming" uniqKey="Tian X" first="Xiaoming" last="Tian">Xiaoming Tian</name>
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<author><name sortKey="Powell, William A" sort="Powell, William A" uniqKey="Powell W" first="William A" last="Powell">William A. Powell</name>
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<term>Gas Chromatography-Mass Spectrometry (methods)</term>
<term>Ginkgo biloba (chemistry)</term>
<term>Glucose (analysis)</term>
<term>Imidazoles (chemistry)</term>
<term>Ketoses (analysis)</term>
<term>Limit of Detection (MeSH)</term>
<term>Monosaccharides (chemistry)</term>
<term>Populus (chemistry)</term>
<term>Sugar Alcohols (analysis)</term>
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<term>Anhydrides acétiques (composition chimique)</term>
<term>Chromatographie gazeuse-spectrométrie de masse (méthodes)</term>
<term>Cétoses (sucres) (analyse)</term>
<term>Diméthylsulfoxyde (composition chimique)</term>
<term>Ginkgo biloba (composition chimique)</term>
<term>Glucose (analyse)</term>
<term>Imidazoles (composition chimique)</term>
<term>Limite de détection (MeSH)</term>
<term>Oses (composition chimique)</term>
<term>Polyols (analyse)</term>
<term>Populus (composition chimique)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Glucose</term>
<term>Ketoses</term>
<term>Sugar Alcohols</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Acetic Anhydrides</term>
<term>Dimethyl Sulfoxide</term>
<term>Imidazoles</term>
<term>Monosaccharides</term>
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<term>Glucose</term>
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<term>Populus</term>
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<term>Diméthylsulfoxyde</term>
<term>Ginkgo biloba</term>
<term>Imidazoles</term>
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<keywords scheme="MESH" xml:lang="en"><term>Acetylation</term>
<term>Limit of Detection</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Acétylation</term>
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<front><div type="abstract" xml:lang="en">The isomers of monosaccharide always produce multiple chromatographic peaks as volatile derivatives during gas chromatography, which may result in the overlapping of different sugar peaks. Whereas reduction and oximation of sugar carbonyl groups for GC analysis do eliminate many isomer derivatives, the approaches create new problems. One ketose can yield two peaks by oximation, and different aldoses and ketoses can yield the same alditol upon reduction, leading to the inability to detect some important monosaccharides. This paper reports an optimal method that yields a single peak per sugar by acetylation directly. By using a methyl sulfoxide (Me2SO)/1-methylimidazole (1-MeIm) system, the carbohydrates in acetic anhydride (Ac2O) esterification reactions were solubilized, and the oxidation that normally occurs was inhibited. The results demonstrate that acetylated derivatives of 23 saccharides had unique peaks, which indicates aldose, ketose, and alditol can be determined simultaneously by GC-MS. </div>
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<Abstract><AbstractText>The isomers of monosaccharide always produce multiple chromatographic peaks as volatile derivatives during gas chromatography, which may result in the overlapping of different sugar peaks. Whereas reduction and oximation of sugar carbonyl groups for GC analysis do eliminate many isomer derivatives, the approaches create new problems. One ketose can yield two peaks by oximation, and different aldoses and ketoses can yield the same alditol upon reduction, leading to the inability to detect some important monosaccharides. This paper reports an optimal method that yields a single peak per sugar by acetylation directly. By using a methyl sulfoxide (Me2SO)/1-methylimidazole (1-MeIm) system, the carbohydrates in acetic anhydride (Ac2O) esterification reactions were solubilized, and the oxidation that normally occurs was inhibited. The results demonstrate that acetylated derivatives of 23 saccharides had unique peaks, which indicates aldose, ketose, and alditol can be determined simultaneously by GC-MS. </AbstractText>
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