A Fragmentation Study of Kaempferide 3,7-Di-O-glycosides by Electrospray Ionization Tandem Mass Spectrometry

被引：0

作者：

Lu Lin ^{[1
,3
]}

Shi Ying ^{[1
,3
]}

Song Fengrui ^{[1
]}

Jin Yongri ^{[2
]}

Liu Zhiqiang ^{[1
]}

Liu Shuying ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Changchun Ctr Mass Spectrometry, Changchun 130022, Peoples R China

[2] Jilin Univ, Coll Chem, Changchun 130023, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

ACTA CHIMICA SINICA | 2010年 / 68卷 / 17期

关键词：

flavonol; tandem mass spectrometry; di-O-glycosides; COLLISION-INDUCED DISSOCIATION; FLAVONOID GLYCOSIDES; CLEAVAGE; AGLYCONES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A serious of new methoxylated flavonol including kaempferide mono-O-glycosides and kaempferide 3,7-di-O-glycosides from Actinidia kolomikta were studied by using electrospray ionization tandem mass spectrometry. The results indicated kaempferide mono-O and di-O have substantial difference in their fragmentation behaviors. Kaempferide mono-O-glycosides yielded abundant aglycone ion ([Y(0)](-)) by loss of glycan residues, however, 3,7-di-O-glycosides mostly generated [Y(0)(3)](-) and [Y(0)(7)](-) ions through removal of glycan residues substituted in C-7 and C-7 respectively, but little aglycone ion from loss of all substituted glycans. Furthermore, the glycosylation site could be easily determined because the [Y(0)(3)](-) and [Y(0)(7)](-) ions shown different fragmentation pathways.

引用

页码：1735 / 1740

页数：6

共 13 条

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