Journal
JOURNAL OF ETHNOPHARMACOLOGY
Volume 89, Issue 1, Pages 171-175Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0378-8741(03)00280-0
Keywords
medicinal plant; anti-inflammatory activity; analgesic activity
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The anti-inflammatory activities of Piper cubeba (fruit), Physalis angulata (flower) and Rosa hybrida (flower) were determined by carrageenan-induced paw edema, arachidonic acid-induced ear edema and formaldehyde-induced arthritis in mice. The anti-allergic and analgesic activities of these plants were also studied by using 2,4-dinitrofluorobenzene (DNFB)-induced contact hypersensitivity reaction (type IV) and hot plate test in mice, respectively. These plant extracts clearly exhibited inhibitory effects against acute and subacute inflammation by oral administration (200 mg/kg). Also, administration (200 mg/kg, p.o.) of plant extracts for 1 week significantly inhibited type IV allergic reaction in mice (P < 0.05). Rosa hybrida showed an analgesic effect against hot plate-induced thermal stimulation at a dose of 200 mg/kg. These results provide support for the use of Rosa hybrida in relieving inflammatory pain, and insight into the development of new agents for treating inflammatory diseases. (C) 2003 Elsevier Ireland Ltd. All rights reserved.
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