Volume 16, Issue 3 pp. 217-222
Research Article

Effect of methanol extract from flower petals of Tagetes patula L. on acute and chronic inflammation model

Yoshimasa Kasahara

Yoshimasa Kasahara

The Yamagata Prefectural Institute of Public Health, 1-6-6, Tokamachi, Yamagata-shi, Yamagata, 990-0031, Japan

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Ken Yasukawa

Corresponding Author

Ken Yasukawa

College of Pharmacy, Nihon University, 7-1, Narashinodai 7-chome, Funabashi-shi, Chiba 274-8555, Japan

College of Pharmacy, Nihon University, 7-1, Narashinodai 7-chome, Funabashi-shi, Chiba 274-8555, JapanSearch for more papers by this author
Susumu Kitanaka

Susumu Kitanaka

College of Pharmacy, Nihon University, 7-1, Narashinodai 7-chome, Funabashi-shi, Chiba 274-8555, Japan

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M. Taufiq Khan

M. Taufiq Khan

The School of Pharmacy, University of London, 29-39 Brunswick Square, London WC1N 1AX, UK

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Fred J. Evans

Fred J. Evans

The School of Pharmacy, University of London, 29-39 Brunswick Square, London WC1N 1AX, UK

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First published: 15 May 2002
Citations: 18

Abstract

The methanol extract of the florets of Tagetes patula (MEFTP) inhibited acute and chronic inflammation in mice and rats. MEFTP significantly suppressed hind-paw oedema induced by γ-carrageenin in mice. Furthermore, MEFTP not only inhibited the hind-paw oedema induced by various acute phlogogens, such as histamine, serotonin, bradykinin and prostaglandin E1, but also suppressed the increase of vascular permeability by acetic acid, indicating that it primarily acts at the exudative stage of inflammation. In the chronic inflammation, MEFTP did not inhibit the proliferation of granulation tissue when tested by the cotton pellet method, however, it was effective on the development of adjuvant arthritis in rats. Oral MEFTP inhibited acute and chronic inflammation in mice and rats. Copyright © 2002 John Wiley & Sons, Ltd.

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