نتایج جستجو برای: β amyrin

تعداد نتایج: 177596  

Journal: :Chemical & pharmaceutical bulletin 1999
L C Di Stasi J C Gomes W Vilegas

The anti-allergic active fractionation of hexane extracts of the leaves and stems of Anchietia salutaris var. martiana (family Violaceae) was performed by monitoring their activities with an in vitro bioassay system measuring the inhibitory effects on induced histamine release from guinea pig lung cells. Three known pentacyclic triterpenes (friedelin, alpha-amyrin, beta-amyrin) were isolated, b...

2002
Viqar Uddin Ahmad Hidayat Hussain Javid Hussain Amir Reza Jassbi Ishfaq A. Bukhari Amsha Yasin M. Iqbal Choudhary

One new diterpene ester with a tricyclic lathyrane-or myrsinol-type skeleton has been isolated fromEuphorbia decipiensBoiss. &Buhse. In addition to one new, the known constituents -amyrin, -amyrin acetate, methyl (2,4-dihydroxy-3-formyl-6-methoxy) phenyl ketone (2), and 1,1-bis (2,6-dihydroxy-3-acetyl-4-methoxyphenyl)methane (3) have been isolated from the same source. The structure elucidation...

2014
Zhubo Dai Beibei Wang Yi Liu Mingyu Shi Dong Wang Xianan Zhang Tao Liu Luqi Huang Xueli Zhang

Ginsenosides are the primary bioactive components of ginseng, which is a popular medicinal plant that exhibits diverse pharmacological activities. Protopanaxadiol, protopanaxatriol and oleanolic acid are three basic aglycons of ginsenosides. Producing aglycons of ginsenosides in Saccharomyces cerevisiae was realized in this work and provides an alternative route compared to traditional extracti...

2012
John Prosper Kwaku Adotey Genevieve Etornam Adukpo Yaw Opoku Boahen Frederick Ato Armah

Alstonia boonei De Wild is a herbal medicinal plant of West African origin, popularly known as God's tree or "Onyame dua". Within West Africa, it is considered as sacred in some forest communities; consequently the plant parts are not eaten. The plant parts have been traditionally used for its antimalarial, aphrodisiac, antidiabetic, antimicrobial, and antipyretic activities, which have also be...

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