Mass spectrometric imaging of flavonoid glycosides and biflavonoids in Ginkgo biloba L.

被引：70

作者：

Beck, Sebastian ^{[1
]}

Stengel, Julia ^{[1
]}

机构：

[1] Humboldt Univ, Dept Chem, Brook Taylor Str 2, D-12489 Berlin, Germany

来源：

PHYTOCHEMISTRY | 2016年 / 130卷

关键词：

Ginkgo biloba; Ginkgoaceae; Flavonoids; Biflavonoids; MALDI; Mass spectrometric imaging; DISSOCIATION; IONIZATION; AGLYCONES;

D O I：

10.1016/j.phytochem.2016.05.005

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Ginkgo biloba L. is known to be rich in flavonoids and flavonoid glycosides. However, the distribution within specific plant organs (e.g. within leaves) is not known. By using HPLC-MS and MS/MS we have identified a number of previously known G. biloba flavonoid glycosides and biflavonoids from leaves. Namely, kaempferol, quercetin, isorhamnetin, myricetin, laricitrin/mearnsetin and apigenin glycosides were identified. Furthermore, biflavonoids like ginkgetin/isoginkgetin were also detected. The application of MALDI mass spectrometric imaging, enabled the compilation of concentration profiles of flavonoid glycosides and biflavonoids in G. biloba L. leaves. Both, flavonoid glycosides and biflavonoids show a distinct distribution in leaf thin sections of G. biloba L. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：201 / 206

页数：6

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