Abstract:
ETHNOPHARMACOLOGICAL RELEVANCE:Heliopsis longipes (A. Gray) Blake (Asteraceae) is a broadly used species in the Mexican, Central and South American Traditional Medicine for its anaesthetic, analgesic, anti-inflammatory and anti-ulcerative properties. The ethanolic extract contains alkamides, mainly affinin (spilanthol). This family of compounds exerts an in vitro inhibitory action on the cyclooxygenase and lipoxygenase enzymes. AIM OF THE STUDY:The present study approaches the anti-inflammatory effect of the extract and its main bioactive component affinin and derived isobutyl-decanamide. MATERIALS AND METHODS:The anti-inflammatory effect was evaluated through the mouse ear oedema test by means of two irritating agents, arachidonic acid (AA) and phorbol myristate acetate (PMA). RESULTS:Heliopsis longipes, affinin and isobutyl-decanamide displayed a marked anti-inflammatory effect on the AA model with ED(50)=0.8, 1.2 and 0.9 mg/ear, respectively. Nimesulide (1 mg/ear) was used as a reference drug. In PMA model, the extract and two alkamides also showed a dose-dependent anti-inflammatory effect with ED(50)=2.0, 1.3 and 1.1 mg/ear, respectively. Indomethacin (3 mg/ear) was used as reference drug. CONCLUSIONS:These results could represent an important contribution to explain the anti-inflammatory ethnobotanical effects reported for Heliopsis longipes and other species containing affinin (spilanthol). For the first time the topical anti-inflammatory effects of Heliopsis longipes, affinin and isobutyl-decanamide were studied.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Hernández I,Márquez L,Martínez I,Dieguez R,Delporte C,Prieto S,Molina-Torres J,Garrido Gdoi
10.1016/j.jep.2009.04.060subject
Has Abstractpub_date
2009-07-30 00:00:00pages
649-52issue
3eissn
0378-8741issn
1872-7573pii
S0378-8741(09)00288-8journal_volume
124pub_type
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