Analgesic and anti-inflammatory potential of four varieties of bell pepper (Capsicum annum L.) in rodents | [Pakistan Journal of Pharmaceutical Sciences • 2021]

Author(s):

1. Nimra Mazhar: Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan; Faculty of Pharmacy, Salim Habib University, Karachi, Pakistan

2. Sadia Ghousia Baig: Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi,Karachi,Pakistan

3. Salman Ahmed: Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi,Karachi,Pakistan

4. Mohammad Mohtasheem ul Hasan: Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi,Karachi,Pakistan

5. Amber Palla: Faculty of Pharmacy, Salim Habib University,Karachi,Pakistan

6. Ghazala Ishrat: Faculty of Pharmacy, Salim Habib University,Karachi,Pakistan

Abstract:

The aim of study was to evaluate the analgesic and anti-inflammatory activity of four different colored (green, yellow, orange and red) sweet bell peppers (Capsicum annuum L.) available in the local market of Karachi Pakistan. Their 95% ethanol extracts at 200 and 400 mg/kg were prepared and compared with commonly used analgesic (aspirin) and anti-inflammatory agents supporting its traditional use. The analgesic effects of 95% ethanol extracts of Capsicum annum L. were investigated by acetic acid induced writhing, tail immersion and hot plate test. The anti-inflammatory activities were observed using carrageenan-induced edema of hind paw in rats. Animals were divided into 10 groups (n=7): (1) Control (2) CAG 200 (3) CAG 400 (4) CAR 200 (5) CAR 400 (6) CAO 200 (7) CAO 400 (8) CAY 200 (9) CAY 400 and (10) Standard. All the extracts were given orally. Acute toxicity was also determined by increasing the dose till 3000 mg/kg, which showed no evidence of mortality. All extracts of Capsicum significantly increased the hot plate pain threshold, moreover remarkably reduced the carrageenan-induced rat paw edema. Results obtained were compared with corresponding control group revealed that the fresh fruits extract of all four kinds of bell pepper (200 mg/kg and 400mg/kg) possess anti-inflammatory and pain suppressing activities possibly mediated via PG synthesis inhibition.

Page(s): 1369-1376

DOI: DOI not available

Published: Journal: Pakistan Journal of Pharmaceutical Sciences, Volume: 34, Issue: 4, Year: 2021

Keywords:

phenolic compounds , Capsicum annum , antinociceptive , dihydrocapsaicin , Capsaicin

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