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Anti-inflammatory triterpenes from Pistacia terebinthus galls.

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From the galls of Pistacia terebinthus we obtained an extract that proved to be effective against chronic and acute inflammation. Now we report on the isolation and identification of three triterpenes: two tirucallane-type lanostanoids and one oleanane, which we have identified as masticadienonic

Antiarthritic mechanisms of amyrin triterpenes.

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The triterpenes, alpha-amyrin (AA) and its palmitate (AAP) and linoleate esters (AAL), were tested on models of inflammatory and destructive arthritic processes and their effects were compared with the clinical antiarthritic drugs indomethacin (IN) and methotrexate (MTX). The triterpenes had no

Topical anti-inflammatory effect of tirucallol, a triterpene isolated from Euphorbia lactea latex.

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Latex from Euphorbia lactea (Euphorbiaceae), a native Dominican medicinal plant, is claimed to be useful in the treatment of inflammation. Topical application of tirucallol, a tetracyclic triterpene isolated from Euphorbia lacteal latex, suppressed ear edema in the mouse model in a dose-dependent

Two new triterpene saponins from the anti-inflammatory saponin fraction of Ilex pubescens root.

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The saponin fraction from the ethanolic extracts of the root of Ilex pubescens Hook. et Arn. (Ilexaceae) was found to exhibit potent anti-inflammatory effects on carrageenan-induced paw edema in rats. Two novel triterpene saponins, pubescenosides C and D (1 and 2, resp.), together with five known

Anti-Inflammatory Triterpene Glycosides from the Roots of Ilex dunniana Levl.

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A new triterpene glycoside ilexdunnoside A (1) and a new sulfated triterpene derivative ilexdunnoside B (2), together with five known analogues 3-7 were isolated from the roots of Ilex dunniana Levl. The structures were established by NMR spectroscopic analysis and acid hydrolysis. Results of an in

The role of PKC/ERK1/2 signaling in the anti-inflammatory effect of tetracyclic triterpene euphol on TPA-induced skin inflammation in mice.

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Inflammation underlies the development and progression of a number of skin disorders including psoriasis, atopic dermatitis and cancer. Therefore, novel antiinflammatory agents are of great clinical interest for prevention and treatment of these conditions. Herein, we demonstrated the underlying

Analgesic activity of a triterpene isolated from Scoparia dulcis L. (Vassourinha).

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Analgesic and anti-inflammatory activities of water (WE) and ethanolic (EE) extracts of Scoparia dulcis L. were investigated in rats and mice, and compared to the effects induced by Glutinol, a triterpene isolated by purification of EE. Oral administration (p.o.) of either WE or EE (up to 2 g/kg)

Evaluation of Anti-Inflammatory Activities of a Triterpene β-Elemonic Acid in Frankincense In Vivo and In Vitro.

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The purpose of this research was to extract and separate the compounds from frankincense, and then evaluate their anti-inflammatory effects. The isolated compound was a representative tetracyclic triterpenes of glycine structure according to ¹H-NMR and ¹³C-NMR spectra, which is β-elemonic

Anti-inflammatory lanostane-type triterpene acids from Piptoporus betulinus.

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Six lanostane-type triterpene acids were isolated from the fruiting bodies of Piptoporus betulinus. They were identified as polyporenic acids A (1) and C (2), three derivatives of polyporenic acid A (3-5), and a novel compound, (+)-12 alpha,28-dihydroxy-3

Sterol and triterpene derivatives from plants inhibit the effects of a tumor promoter, and sitosterol and betulinic acid inhibit tumor formation in mouse skin two-stage carcinogenesis.

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A single topical application of 1 microgram of 12-O-tetradecanoylphorbol- 13-acetate (TPA) to the ears of mice was shown to induce edema, and this TPA-induced inflammation was inhibited by 4-methylsterol and triterpene derivatives. The ED50 of these compounds against TPA-induced inflammation was

In vivo anti-nociceptive and anti-inflammatory effect of the two triterpenes, ursolic acid and 23-hydroxyursolic acid, from Cussonia bancoensis.

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Triterpenoids, ursolic acid (1) and 23-hydroxyursolic acid (2) were obtained from the hydrolysis of BuOH fraction of Cussonia bancoensis extract to test antinociceptive and anti-inflammatory effect of C. bancoensis (Araliaceae). Compound 1 and 2 exhibited anti-nociceptive effects, which were

A new anti-inflammatory triterpene saponin isolated from Anabasis setifera.

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A bio-guided fractionation of Anabasis setifera Moq. (Chenopodiaceae) for anti-inflammatory activity was carried out using carrageenin rat paw edema model in rats. On the basis of percent edema inhibition after 3 h of carrageenin injection, n-butanol fraction showed promising activity through a

Lupane triterpenes with a δ-lactone at ring E, from Lippia mexicana.

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Three new lupane-type triterpenes, lippiolide (1), lippiolidolic acid (2), and lippiolic acid (3), were isolated from aerial parts of Lippia mexicana. Compounds 1 and 2 exhibited a δ-lactone at ring E. The known cycloartane triterpene 5 was also isolated. The structures of these compounds were

Isolation of a new anti-inflammatory 20, 21, 22, 23, 24, 25, 26, 27-octanorcucurbitacin-type triterpene from Ibervillea sonorae.

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A new cucurbitane-type triterpene, 20, 21, 22, 23, 24, 25, 26, 27-octanorcucurbita-5-ene-3, 11, 16-trione (1), named kinoin D, was isolated from the roots of the medicinal plant Ibervillea sonorae, (wereque). The structure of 1 was established on the basis of extensive NMR and MS studies. In

Antinociceptive and anti-inflammatory activities of a triterpene-rich fraction from Himatanthus drasticus.

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Himatanthus drasticus (Mart.) Plumel belongs to the Apocynaceae family and the latex from its trunk bark (Hd) is known as "janaguba milk". This latex is widely used in Northeast Brazil, mainly in the Cariri region, for its gastroprotective, anti-inflammatory, and antitumor properties. The

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