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Chemical constituents from Ginkgo biloba L. male flowers and their biological activities

  • Min Li
  • Zi-ming Xia
  • Bin Li
  • Ying Tian
  • Guang-jie Zhang
  • Chen Xu
  • Jun-xing DongEmail author
Original Research
  • 5 Downloads

Abstract

From the male flowers of Ginkgo biloba L., 26 compounds were isolated and identified including 7-O-(β-d-glucopyranosyloxy)-5-hydroxy-1(3H)- isobenzofuranone (1), piperoside (2), 3-(4-hydroxy-3-methoxyphenyl)propane-1, 2-diol (3), ginkgolide B (4), ginkgolide C (5), hexyl-β-getiobioside (6), benzyl-β-d-xylopyranosyl-(1 → 6)-β-d-glucopyranoside (7), ginkgolic acid (8), kaempferol-3-O-[6′′′-O-p-coumaroyl-β-d-glucopyranosyl-(1 → 2)-α-l-rhamnopyrano-side] (9), quercetin-3-O-[6′′′-O-p-coumaroyl-β-d-glucopyranosyl-(1 → 2)-α-l-rhamnopyranoside (10), apigenin-7-O-β-d-glucoside (11), kaempferol-3-O-α-l-rhamnoside (12), kaempferol-3-O-rutinoside (13), quercetin-3-O-β-d- glucopyranoside (14), quercetin-3-O-α-l-rhamnoside (15), isorhamnetin-3-O-rutinoside (16), kaempferol-7-O-β-d-glucopyranoside (17), kaempferol-3-O-β-d-galactoside-4′-O-β-d-glucoside (18), isorhamnetin-3-O-β-d-glucopyranoside (19), rutin (20), kaempferol-4′-O-β-d-glucopyranoside (21), argaminolic A (22), 4,4′-dihydroxy-3,3′-imino-di-benzoic acid (23), nicotinamide (24), uracil (25), and capilliplactone (26). Among them, compounds 1, 2, 6, 7, 22, 23, and 26 were found in the class Ginkgopsida for the first time. Compounds 8, 11, and 21 showed better active inhibitory effects on NO production among the tested compounds. Compounds 8 and 11 also showed cytotoxicity on three cancer cells. Our phytochemical study of G. biloba flowers enriched the diversity of Ginkgo chemical compositions and may broaden its application in phytotherapy.

Keywords

Ginkgo biloba flowers Chemical constituents Anti-inflammation Anti-proliferation 

Notes

Acknowledgements

We are grateful to Mrs Yan Wu of the Institute of Materia Medica in Chinese Academy of Medical Sciences for the NMR.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethics statement

This article does not include any studies with human or animal subjects and no ethics approval is needed.

Supplementary material

44_2019_2394_MOESM1_ESM.docx (4.9 mb)
Supplementary Information.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Beijing Institute of Radiation MedicineBeijingPeople’s Republic of China

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