Dryopteris filix-mas (L.) Schott ethanolic leaf extract and fractions exhibited profound anti-inflammatory activity

Erhirhie, Earnest Oghenesuvwe and Emeghebo, Chika Ndubuisi and Ilodigwe, Emmanuel Emeka and Ajaghaku, Daniel Lotanna and Umeokoli, Blessing Ogechukwu and Eze, Peter Maduabuchi and Ngwoke, Kenneth Gerald and Okoye, Festus Basden Chiedu (2019) Dryopteris filix-mas (L.) Schott ethanolic leaf extract and fractions exhibited profound anti-inflammatory activity. Avicenna Journal of Phytomedicine, 9 (4). pp. 396-409.

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Objective: Dryopteris filix-mas (D. filix-mas) (L.) Schott, (Dryopteridaceae) is used in traditional medicine, particularly in the Southern parts of Nigeria for the treatment of inflammation, rheumatoid arthritis, wounds and ulcers. In this study, we evaluated the anti-inflammatory activity of its ethanolic leaf extract and fractions. Materials and Methods: The ethanolic leaf extract and fractions were screened for anti-inflammatory properties using egg-albumin-induced paw edema, xylene-induced topical ear edema, formaldehyde-induced arthritis and ulcerogenic models. The ethyl acetate most promising vacuum liquid chromatography fraction (VLC-E7) was purified using size exclusion chromatography technique (Sephadex LH-20) and its structure was elucidated using nuclear magnetic resonance (NMR) and mass spectrometry. Total phenolic and flavonoid contents were also determined. Results: From the study, ethyl acetate and butanol fractions elicited better anti-inflammatory activities in egg-albumin-induced paw edema, formaldehyde-induced arthritis and xylene-induced topical ear edema. The ethanol extract, ethyl acetate and butanol fractions were non-ulcerogenic at 200 and 400 mg/kg. The compound isolated from Sephadex fraction (SPH-E6) was quercetin-3-O-α-L-rhamnopyranoside. Conclusion: Results of this study justify the ethnomedicinal use of D. filix-mas leaf for treatment of inflammation and rheumatoid arthritis. We suggest that D. filix-mas could be a prospective anti-inflammatory agent with no gastric irritation side effect, due to its bioactive component, quercetin-3-O-α-L-rhamnopyranoside.

Item Type: Article
Subjects: QT physiology
QV pharmacology
QW Microbiology and Immunology
Divisions: Journals > Avicenna J Phytomedicine
Depositing User: ajp ajp
Date Deposited: 01 Jul 2019 06:06
Last Modified: 01 Jul 2019 06:06
URI: http://eprints.mums.ac.ir/id/eprint/11734

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