Acute and chronic antiinflammatory profile of the ivy plant, Hedera helix, in rats.
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Hedera helix is a plant well-known as ivy or English ivy, and a member of the Araliaceae family. In the present study, we tested the possible antiinflammatory effects of a crude saponin extract (CSE) and a saponin's purified extracts (SPE) of Hedera helix in carrageenan- and cotton-pellet-induced acute and chronic inflammation models in rats. Both the CSE and SPE of Hedera helix were found to have antiinflammatory effects. The most potent drug screened was indomethacin (89.2% acute antiinflammatory effect), while the most potent extract screened was the CSE of Hedera helix at 100 and 200 mg/kg body wt. doses with 77% acute antiinflammatory effects. For testing chronic antiinflammatory (antiproliferative) effects, the cotton-pellet-granuloma test was conducted. Indomethacin was found to be the most potent drug in the chronic phase of inflammation, with 66% effect. The SPE of Hedera helix was more potent than the CSE in its chronic antiinflammatory effect (60% and 49%, respectively).
