Analgesic and Anti-Inflammatory Effects of an Extract and Flavonoids from Artemisia Herba-Alba and Their Mechanisms of Action

Artemisia herba-alba (A. h.-a.) has wide use in traditional medicine for the relief of coughing, healing external wounds, and treatment of pain associated with gastrointestinal disturbances. We investigated in vivo antinociceptive and anti-inflammatory activities of an aqueous extract (aq. ex.) and...

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Datum:2014
Hauptverfasser: Qnais, E., Raad, D., Bseiso, Y.
Format: Artikel
Sprache:English
Veröffentlicht: Інститут фізіології ім. О.О. Богомольця НАН України 2014
Schriftenreihe:Нейрофизиология
Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/148280
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Analgesic and Anti-Inflammatory Effects of an Extract and Flavonoids from Artemisia Herba-Alba and Their Mechanisms of Action / E. Qnais, D. Raad, Y. Bseiso // Нейрофизиология. — 2014. — Т. 46, № 3. — С. 262-270. — Бібліогр.: 44 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Zusammenfassung:Artemisia herba-alba (A. h.-a.) has wide use in traditional medicine for the relief of coughing, healing external wounds, and treatment of pain associated with gastrointestinal disturbances. We investigated in vivo antinociceptive and anti-inflammatory activities of an aqueous extract (aq. ex.) and two isolated compounds obtained from aerial parts of A. h.-a. The analgesic effects of aq. ex. (10, 31.6, 100, 316, and 1000 mg/kg), astragalin, and eupatilin (both, 0.316, 1, 3.16, 10, 31.6, and 100 mg/kg) were studied using the hot-plate test in mice and formalin test in rats. The effects were compared with those of 5 mg/kg morphine. Dosedependent analgesic effects of aq. ex., astragalin, and eupatilin were clearly manifested in both hot-plate assay and early and late phases of formalin-induced paw licking. These effects were significantly but partly reduced by the opioid receptor antagonist naloxone (5 mg/kg). The same range of doses of aq. ex., astragalin, and eupatilin caused dose-dependent suppression of carrageenan-induced paw edema in rats. Thus, we demonstrated that A. h.-a. possesses noticeable antinociceptive and anti-inflammatory activities; our data support the reasons for using this plant as a remedy for treatment of pain and inflammation. Antinociceptive and anti-inflammatory actions of A. h.-a. are considerably related to the presence of astragalin and eupatilin