COMPOSITION FOR TREATING INFLUENZA A (H1N1) VIRUS AND A PREPARATION METHOD THEREFOR
申请人:Wu Yang-Chang
公开号:US20110196029A1
公开(公告)日:2011-08-11
New pharmaceutical compositions extracted from
Ferula assa
-
foetida
are confirmed to effectively treat influenza A (H
1
N
1
) virus. The extraction method of the new pharmaceutical compositions mainly includes steps of (a) extracting
F. assa
-
foetida
with methanol to obtain a crude extract; (b) fractioning the crude extract with n-hexane-methanol to obtain a methanol extract; (c) fractioning the methanol extract with chloroform-water to obtain a chloroform extract; and (d) chromatographing the chloroform extract to obtain the pharmaceutical compositions, which can be further fractioned and chromatographed to obtain various sesquiterpene coumarins.