了解倍半萜和天青石的知识。第126部分。关于Asa foetida I. Farnesiferol A的成分
摘要:
从Asa foedita(Umbelliferae)的非挥发性中性馏分中,分离出3种异构体化合物C 24 H 30 O 4,分别命名为法尼雌酚A,B和C。Farnesiferol A(I)是伞形酮与双环法烷基型倍半萜烯部分的混合醚。它可能是通过已知的伞形肾上腺素(XXXII)的氧化环化而在生物遗传学上产生的。
Circular dichroism of sesquiterpene-umbelliferone ethers and structure elucidation of a new derivative isolated from the gum resin “Asa Foetida”
作者:Otmar Hofer、Michael Widhalm、Harald Greger
DOI:10.1007/bf00809352
日期:1984.10
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.