In vitro Anti-Influenza Viral Activities of Constituents from Caesalpinia sappan

被引:77
|
作者
Liu, Ai-Lin [2 ,3 ]
Shu, Shi-Hui [2 ,3 ]
Qin, Hai-Lin [2 ,3 ]
Lee, Simon Ming Yuen [1 ]
Wang, Yi-Tao [1 ]
Du, Guan-Hua [2 ,3 ]
机构
[1] Univ Macau, Inst Chinese Med Sci, Taipa, Peoples R China
[2] Chinese Acad Med Sci, Inst Mat Med, Beijing 100050, Peoples R China
[3] Peking Union Med Coll, Beijing 100021, Peoples R China
关键词
Caesalpinia sappan; Leguminosae; influenza virus; neuraminidase; sappanchalcone;
D O I
10.1055/s-0028-1112208
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Six constituents with neuraminidase (NA) inhibitory activity, namely brazilein, brazilin, protosappanin A, 3-deoxysappanchalcone, sappanchalcone and rhamnetin, were isolated from the hearthwood of Caesalpinia sappan (Leguminosae). Their in vitro anti-influenza virus activities were evaluated with the cytopathic effect (CPE) reduction method. The results showed that 3-deoxysappanchalcone and sappanchalcone exhibited the highest activity against influenza virus (H3N2) with IC50 values of 1.06 and 2.06 mu g/mL, respectively, in comparison to the positive control oseltamivir acid and ribavirin with IC50 values of 0.065 and 9.17 mu g/mL, respectively.
引用
收藏
页码:337 / 339
页数:3
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