euscaphic acid/uždegimas

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Euscaphic acid isolated from roots of Rosa rugosa inhibits LPS-induced inflammatory responses via TLR4-mediated NF-κB inactivation in RAW 264.7 macrophages.

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As an attempt to search for bioactive natural products exerting anti-inflammatory activity, we have evaluated the anti-inflammatory effects of euscaphic acid (19α-hydroxyursane-type triterpenoids, EA) isolated from roots of Rosa rugosa and its underlying molecular mechanisms in lipopolysaccharide

Anti-allergic Inflammatory Triterpenoids Isolated from the Spikes of Prunella vulgaris.

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Twelve known triterpenoids (1-12) and two steroids (13 and 14) have been isolated from the spike of the plant Prunella vulgaris. Among them, 2α,3α,23-trihydroxyursa-12,20(30)-dien-28-oic acid (10) was isolated for the first time from this plant. All isolates were evaluated for their inhibitory

Anti-inflammatory and antioxidant activities and constituents of Platostoma africanum P. Beauv.

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Hexane and dichloromethane extracts of Platostoma africanum P. Beauv., a plant popularly employed in Nigeria in the treatment of rheumatic symptoms, were evaluated for anti-inflammatory and antioxidant activities. Acute inflammatory effects were studied in the egg-albumin-induced rat paw edema. Both

Novel anti-inflammatory compounds from Rubus sieboldii, triterpenoids, are inhibitors of mammalian DNA polymerases.

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Two anti-inflammatory triterpenoids, tormentic acid (TA) and euscaphic acid (EA), were found from the plant Rubus sieboldii. These triterpenoids showed an inhibitory effect against enzymes involved in replication, such as calf DNA polymerase alpha (pol alpha) and rat DNA polymerase beta (pol beta).

Euscaphic acid, a new hypoglycemic natural product from Folium Eriobotryae.

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Folium Eriobotryae has been used as a medicinal plant for a long time, and it is known to have many physiological actions such as anti-inflammatory, anti-tussive, expectorant and anti-diabetic. We have reported that the 70% ethanol extract of Folium Eriobotryae exerted a significant hypoglycemic

Anti-inflammatory and antitumor-promoting effects of the triterpene acids from the leaves of Eriobotrya japonica.

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Sixteen triterpene acids, viz., five of the oleanane-type (1-5), nine of the ursane-type (6-14), and two of the lupane-type (15, 16), were isolated and identified from the ethyl acetate-soluble fraction of the methanol extract of the leaves of loquat, Eriobotrya japonica LINDL. (Rosaceae). Twelve of

19Alpha-hydroxyursane-type triterpenoids: antinociceptive anti-inflammatory principles of the roots of Rosa rugosa.

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To search for antiinflammtory 19alpha-hydroxyursane-type triterpenoids, the MeOH extract of the roots of Rosa rugosa (Rosaceae) was fractionated. The active fraction of the EtOAc extract was hydrolyzed in alkaline solution to give a hydrolyzed fraction. Both extracts showed

The Potential of Triterpenoids from Loquat Leaves (Eriobotrya japonica) for Prevention and Treatment of Skin Disorder.

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The leaves of loquat (Eriobotrya japonica) possess high medicinal value and have been used as traditional medicines. However, there are no evidence-based studies on the skin-care effects of E. japonica leaves. To explore new biological activities of E. japonica leaves against skin disorder and to

Ursane triterpenoids inhibit atherosclerosis and xanthoma in LDL receptor knockout mice.

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BACKGROUND In order to determine the mechanism of triterpenes, a class of secondary metabolites in plants, in modulating progression of vascular atherosclerotic lesions, we isolated three ursane triterpenoids (euscaphic acid, tormentic acid and 2alpha-hydroxyursolic acid) from aerial part of Salvia

Tormentic acid, a triterpenoid saponin, isolated from Rosa rugosa, inhibited LPS-induced iNOS, COX-2, and TNF-α expression through inactivation of the nuclear factor-κb pathway in RAW 264.7 macrophages.

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We previously reported that extract of Rosa rugosa root and its active triterpenoids constituents exhibit anti-nociceptive and anti-inflammatory effects in animal models. However, little is known about the effects and the molecular mechanism of the 19α-hydroxyursane-type triterpenoids. Among the

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