Z
Zhen-Dan He
Researcher at The Chinese University of Hong Kong
Publications - 25
Citations - 1269
Zhen-Dan He is an academic researcher from The Chinese University of Hong Kong. The author has contributed to research in topics: Glycoside & Ligustrum robustum. The author has an hindex of 19, co-authored 25 publications receiving 1151 citations.
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Journal ArticleDOI
Antiviral flavonoids from the root bark of Morus alba L.
TL;DR: A prenylated flavonoid, moralbanone, along with seven known compounds, including leachianone G and alpha-acetyl-amyrin, were isolated from the root bark of Morus alba L and showed potent antiviral activity and weak activity against herpes simplex type 1 virus.
Journal ArticleDOI
Authentication and Quantitative Analysis on the Chemical Profile of Cassia Bark (Cortex Cinnamomi) by High-Pressure Liquid Chromatography
Zhen-Dan He,Chun-Feng Qiao,Quan-Bin Han,Chuen-Lung Cheng,Hong-Xi Xu,Ren-Wang Jiang,Paul Pui-Hay But,Pang-Chui Shaw +7 more
TL;DR: It is suggested that five characteristic peaks by HPLC are suitable for distinguishing genuine cassia bark from the adulterants and could be applied in the quality control of this commodity.
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In vitro evaluation of secoiridoid glucosides from the fruits of Ligustrum lucidum as antiviral agents
Shuang-Cheng Ma,Zhen-Dan He,Xue-Long Deng,Paul Pui-Hay But,Vincent E.C. Ooi,Hong-Xi Xu,Spencer H. S. Lee,Song-Fong Lee +7 more
TL;DR: Results showed that none of the glucosides had any significant activity against HSV-1 and Flu A, and documented that the anti-oxidative potency of these secoiriodoid glucoside was not directly related to their antiviral effects.
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Antioxidative glucosides from the fruits of Ligustrum lucidum
Zhen-Dan He,Paul Pui-Hay But,Tak-Wah Dominic Chan,Hui Dong,Hong-Xi Xu,Ching-Po Lau,Han-Dong Sun +6 more
TL;DR: The ethanol extract of the fruits of Ligustrum lucidum was shown to have inhibitory effects on the hemolysis of red blood cells induced by 2,2'-azo-bis-(2-amidinopropane) dihydrochloride, and bioassay-guided analysis led to the isolation of ten secoiridoid glucosides.
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Anti-oxidative, anti-inflammatory and hepato-protective effects of Ligustrum robustum.
TL;DR: Results offer partial support to the traditional uses of the leaves of L. robustum as Ku-Ding-Cha, as they exhibited comparable antioxidant potency in scavenging superoxide radicals and in preventing red blood cell hemolysis.