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Pharm Biol. 2010 Feb;48(2):195-200. doi: 10.3109/13880200903078495.

Analgesic activity of Heliopsis longipes and its effect on the nervous system.

Author information

1
Programa Multidisciplinario de Posgrado en Ciencias Ambientales, UASLP San Luis Potosí, México.

Abstract

Heliopsis longipes S.F. Blake (Asteraceae: Heliantheae) (chilcuague) is used in Mexican traditional medicine against parasites and to alleviate tooth and muscle pains. Its biocide effect has already been experimentally demonstrated; however, its analgesic action and its action on the nervous system (NS) have not been investigated yet. The objectives of this study were to evaluate the analgesic action of affinin and the H. longipes root ethanol extract, as well as their effects on the NS using an animal model. The ethanol extract was obtained by maceration, and affinin was purified from it through chromatographic techniques. Chemical and thermal analgesia were used to assess their analgesic proprieties. Irwin's test was used to evaluate their stimulating or depressing effects. The ethanol extract and affinin displayed analgesic action similar to ketorolac and stimulating effect comparable to caffeine on the nervous system of adult mice.

PMID:
20645840
DOI:
10.3109/13880200903078495
[Indexed for MEDLINE]

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