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Pharmacol Biochem Behav. 2010 Apr;95(2):166-72. doi: 10.1016/j.pbb.2009.12.021. Epub 2010 Jan 11.

New medicinal properties of mangostins: analgesic activity and pharmacological characterization of active ingredients from the fruit hull of Garcinia mangostana L.

Author information

1
Department of Biological Science and Technology, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong Province 510275, People's Republic of China.

Abstract

The fruit hull of Garcinia mangostana L. contains oxygenated and prenylated phenol derivatives, such as xanthones or xanthen-9H-ones, and is used by people in Southeast Asia as a traditional medicine for the treatment of abdominal pain, dysentery, wound infections, suppuration, and chronic ulcer. We isolated the active ingredients from the crude ethanol extract of G.mangostana L. (CEM) and investigated their analgesic effects and underlying mechanisms. CEM at intragastric (i.g.) doses of 0.5, 1, and 3 g/kg clearly exhibited antinociceptive effects in the hot-plate and acetic acid-induced writhing tests in mice. Two isolated compounds, alpha-mangostin and gamma-mangostin, exhibited analgesic effects at doses of 25 and 50 mg/kg (i.g.) in the hot-plate and formalin tests, respectively. CEM at doses of 0.5, 1, and 3 g/kg significantly inhibited xylene-induced release of inflammatory mediators. CEM, alpha-mangostin, and gamma-mangostin each dose-dependently demonstrated the ability to scavenge reactive oxygen species. In conclusion, our results demonstrate that CEM and mangostins possess potent peripheral and central antinociceptive effects in mice and suggest that xanthones may be developed as novel analgesics and anti-inflammatory drugs.

PMID:
20064550
DOI:
10.1016/j.pbb.2009.12.021
[Indexed for MEDLINE]

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