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Molecules 2015, 20(11), 19947-19957; doi:10.3390/molecules201119660

Phenolic Compounds from the Flowers of Bombax malabaricum and Their Antioxidant and Antiviral Activities

1,2,†
,
1,3,†
,
1,2
,
1,2
,
1
,
1
,
1,2,* and 1,2,*
1
Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, China
2
Shenzhen Engineering Laboratory of Lingnan Herbal Resource Development and Application, Shenzhen Institute for Drug Control, Shenzhen 518057, China
3
International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editors: Luis Cisneros-Zevallos and Derek J. McPhee
Received: 28 August 2015 / Revised: 20 October 2015 / Accepted: 27 October 2015 / Published: 5 November 2015
(This article belongs to the Special Issue Recent Advances in Plant Phenolics)
View Full-Text   |   Download PDF [561 KB, uploaded 5 November 2015]   |  

Abstract

Three new phenolic compounds 13 and twenty known ones 423 were isolated from the flowers of Bombax malabaricum. Their chemical structures were elucidated by spectroscopic analyses (IR, ESI-MS, HR-ESI-MS, 1D- and 2D-NMR) and chemical reactions. The antioxidant capacities of the isolated compounds were tested using FRAP and DPPH radical-scavenging assays, and compounds 4, 6, 8, 12, as well as the new compound 2, exhibited stronger antioxidant activities than ascorbic acid. Furthermore, all of compounds were tested for their antiviral activities against RSV by the CPE reduction assay and plaque reduction assay. Compounds 4, 10, 12 possess in vitro antiviral activities, and compound 10 exhibits potent anti-RSV effects, comparable to the positive control ribavirin. View Full-Text
Keywords: Bombax malabaricum; phenolic compounds; structure identification; antiviral activity; antioxidant activity Bombax malabaricum; phenolic compounds; structure identification; antiviral activity; antioxidant activity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, Y.-B.; Wu, P.; Zhang, X.-L.; Xia, C.; Li, G.-Q.; Ye, W.-C.; Wang, G.-C.; Li, Y.-L. Phenolic Compounds from the Flowers of Bombax malabaricum and Their Antioxidant and Antiviral Activities. Molecules 2015, 20, 19947-19957.

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