betulinic acid


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betulinic acid

[¦bech·ə¦lin·ik ′as·əd]
(organic chemistry)
C30H48O3 A dibasic acid, slightly soluble in water, ethyl alcohol, and acetone.
References in periodicals archive ?
Several triterpenoids, including ursolic and oleanolic acid, betulinic acid, celastrol, pristimerin, lupeol, and avicins have been reported to possess anticancer activity (Petronelli et al.
Water stress (waterlog and drought) increase betulinic acid and phenolic compounds in Hypericumbrasiliense[7].
It is quite surprising that betulinic acid does not possess a dihydroxybenzene moiety, which is so prevalent in other tyrosinase inhibitors; for example, resveratrol has shown potent inhibitory effect on melanin synthesis via reduction in tyrosinase-related protein 2 among melanogenic enzymes.
Tshimankinda holds the patent "In vitro anti-sickling activity of betulinic acid, oleonolic acid and their derivatives" and was awarded the Diploma and medal of scientific merit of the Democratic Republic of Congo in 2010, the African Prize for Liberty and Development in 2009 and the Diploma of Honor and Merit as Best Congolese Professor in 2008.
The Changa fungi grows on birch trees in the northern stretches of Russia, and while scientists at Vector say that there are no solid tests linking the mushroom with combatting HIV, researchers said that the betulinic acid in the fungus is thought to be very toxic to cancers and other viruses.
Anti-HIV activity of YK-FH312 (a betulinic acid derivative), a novel compound blocking viral maturation.
Betulinic acid was the major constituent in fraction 3 and exhibited only mild activity ([LC.
PA-457 is synthetic derivative of a natural product, betulinic acid, which is found in the bark of many trees.
Five chemicals in raisins--oleanolic acid, oleanolic aldehyde, betulin, betulinic acid, and 5-(hydroxymethyl)-2-furfural--seem to be responsible for this effect.
Raisins contain oleanolic acid, oleanolic aldehyde, betulin, betulinic acid and 5-(hydroxymethyl)-2-furfural, all of which slow down the growth of bacteria and also stop it sticking to teeth to form plaque, which can make teeth fall out.
Five chemicals in raisins--oleanolic acid, oleanolic aldehyde, betulin, betulinic acid, and 5-(hydroxymethyl)-2-furfural--are thought to be responsible for the protection, at least in the laboratory.