triterpene

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triterpene

[trī′tər‚pēn]
(organic chemistry)
One of a class of compounds having molecular skeletons containing 30 carbon atoms, and theoretically composed of six isoprene units; numerous and widely distributed in nature, occurring principally in plant resins and sap; an example is ambrein.
References in periodicals archive ?
The polysaccharides and triterpenes found in Reishi mushrooms act at multiple targets in the cascade of events leading to inflammation and excessive immune response.
Phyllanthaceae led to the identification of four triterpenes, namely; glochidonol (1) glochidiol (2), glochidone (3) and lupeol (4) and two steroids, namely; daucosterol (5) and stigmasterol (6).
In the case of these products, triterpene content ranged from undetectable to 7.
For practitioners, shea nut extract yielding 70% triterpenes is available as BSP 201.
The triterpenes identified were [alfa]-amyrin, friedelin, lupeol, taraxerol and three unidentifed cholestans.
A quality extract containing 2-4 mg of triterpenes daily is therefore recommended.
1989), because monoterpenes would have been synthesized by resin-reward ancestors as the biosynthetic precursors of triterpenes.
Keywords: Pervoskia abrotanoides, Steroid, Triterpene, 1D and 2D-NMR, HREIMS, Lipoxygenase.
guajava and that the triterpene derivatives present in the leaf brought about the elastase inhibition.
Since rosamultic acid induced cell cycle arrest in sub-G1 (G0/G1) phase, therefore we also evaluated the effect of this triterpenes on the expression levels of the cell cycle related proteins including CDK4, CDK6 and cyclin D1 in SGC-7901 gastric cancer cells.
3]0([alfa]); H-17([alfa])/H-21 and H-18([beta])/H-20 were observed; similarly NOESY correlation between H-3([alfa])/H-5([alfa]), Ha-19/H-29([beta]), Hb-19/H-8([beta]) and H-8/H-18([beta]) confirm a trans A/B, cis B/C and trans C/D ring junctions, typical in natural cycloartane triterpenes (Fig.
Pentacyclic triterpenes with selective bioactivity from Sebastiania adenophora leaves, Euphorbiaceae.