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J Ethnopharmacol. 2010 Nov 11;132(2):456-60. doi: 10.1016/j.jep.2010.08.038. Epub 2010 Aug 21.

Anti-inflammatory and analgesic properties of Drynaria quercifolia (L.) J. Smith.

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1
Tropical Botanic Garden and Research Institute, Palode, Thiruvananthapuram 695 562, Kerala, India.

Abstract

ETHNOPHARMACOLOGICAL RELEVANCE:

Drynaria quercifolia (L.) J. Smith (Polypodiaceae), has been widely used by ethnic groups of India to treat inflammation, rheumatism, headache, bone fracture, jaundice, etc.

AIM OF THE STUDY:

To evaluate the anti-inflammatory and analgesic properties of the ethanolic extract of rhizome of Drynaria quercifolia (DQ) and its phytochemical profile.

MATERIALS AND METHODS:

DQ was used to evaluate the anti-inflammatory and analgesic effects using carrageenan-induced paw oedema/cotton pellet-induced granuloma in Wistar rats and acetic acid-induced writhing/formalin-induced paw licking test in Swiss albino mice respectively.

RESULTS:

Oral administration of DQ produced significant inhibition of carrageenan-induced paw oedema and granuloma formation in rats, almost comparable to that caused by indomethacin. DQ significantly attenuated acute and delayed phases of formalin-induced pain and acetic acid-induced writhing episodes in mice. The analgesia was comparable to that produced by sodium salicylate and aspirin respectively. Phytochemical analysis gave positive tests for catechin, coumarins, flavonoids, phenolics, saponin, steroids, tannins, and triterpenes. The total phenolics in DQ was 244 mg/g and naringin content was 0.048%.

CONCLUSION:

The results suggest the presence of potent anti-inflammatory and analgesic principles in DQ that justifies its use for alleviating painful inflammatory conditions.

PMID:
20732399
DOI:
10.1016/j.jep.2010.08.038
[Indexed for MEDLINE]

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