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 ?
Induction of differentiation in the cultured F9 teratocarcinoma stem cells by triterpene acids.
Significant lantana toxins are the triterpene acids, lantadene-A (Rehmannic acid), lantadene-B and their reduced forms (Sharma et al.
60) Ej is known to contain triterpene acids, and in a separate study the inflammatory response of experimentally induced chronic bronchitis was investigated.
Active ingredients found in hawthorn include tannins, flavonoids (such as vitexin, rutin, quercetin, and hyperoside), oligomeric proanthocyanidins (OPCs, such as epicatechin, procyanidin, and particularly procyanidin B-2), flavone-C, triterpene acids (such ursolic acid, oleanolic acid, and crataegolic acid), and phenolic acids (such as caffeic acid, chlorogenic acid, and related phenolcarboxylic acids) [40,38].
The most potent were the triterpene acids 4 and 5, reducing 96 and 92% elastase activity, respectively.
Topical anti-inflammatory activity of 2[alpha]-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae.
Previous work done so far confirmed that these triterpene acids were able to block inflammatory reactions in both acute and chronic inflammation models.
Many of them were triterpene acids which were obtained mainly from F fraction of Z.