Anti-inflammatory Effect of Myrtus communis Hydroalcoholic Extract and Essential Oil on Acetic Acid–induced Colitis in Rats

Parnian Khosropour; Sayed-Ebrahim Sajjadi; Ardeshir Talebi; Mohsen Minaiyan

doi:10.4103/jrptps.JRPTPS_8_19

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https://doi.org/10.4103/jrptps.JRPTPS_8_19

Anti-inflammatory Effect of Myrtus communis Hydroalcoholic Extract and Essential Oil on Acetic Acid–induced Colitis in Rats

Author(s):

Parnian Khosropour¹,

Sayed-Ebrahim Sajjadi²,

Ardeshir Talebi³,

Mohsen Minaiyan

^4,*

1School of Pharmacy and Pharmaceutical Sciences, Isfahan, Iran

2Department of Pharmacognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan, Iran

3Department of Clinical Pathology, School of Medicine, Isfahan, Iran

4Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran

Journal of Reports in Pharmaceutical Sciences:Vol. 8, issue 2; 204-10

Published online:Dec 31, 2019

Article type:Research Article

How to Cite:Parnian KhosropourSayed-Ebrahim SajjadiArdeshir TalebiMohsen MinaiyanAnti-inflammatory Effect of Myrtus communis Hydroalcoholic Extract and Essential Oil on Acetic Acid–induced Colitis in Rats.J Rep Pharm Sci.8(2):e147380.https://doi.org/10.4103/jrptps.JRPTPS_8_19.

Abstract

Background: Colitis is an inflammatory bowel disease, many causes are involved in its pathogenesis and development. Myrtus communis (M. communis) contains anti-inflammatory and antioxidant ingredients that are useful for the treatment of inflammatory disease.
Objectives: The purpose of this study was to investigate the effect of M. communis hydroalcoholic extract (MCHE) and essential oil (MCEO) on acetic acid–induced colitis model.
Materials and Methods: MCHE (50, 100, 200, and 400 mg/kg) and MCEO (62.5, 125, 250, and 500 μL/kg) were given orally to rats, 2 h before induction of colitis and continued for further 4 days. Prednisolone (4 mg/kg) and mesalazine (100 mg/kg) were used as reference drugs. After 5 days, colitis markers and indices were investigated on isolated colons. Biochemical evaluation of inflamed colon was performed using assay of myeloperoxidase (MPO) activity.
Results: Acetic acid caused significant inflammatory reactions as indicated by macroscopic and microscopic changes in control groups. Extracts with three doses and volatile oil with two lower doses were effective to reduce weight of distal colon (8 cm) as a marker of inflammation and tissue edema. Similarly, MCHE (50, 100, and 200 mg/kg) and MCEO (62.5 and 125 μL/kg) were statistically effective in dip of ulcer index, total colitis index, and MPO activity compared to control groups.
Conclusion: The beneficial effect of M. communis was comparable with that of prednisolone and mesalazine; however, by its dose escalation, this activity tends to be diminished. This research showed the anti-inflammatory activity of MCHE and MCEO on experimentally induced acute colitis.

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Author(s):

Parnian Khosropour:[PubMed][Scholar]
Sayed-Ebrahim Sajjadi:[PubMed][Scholar]
Ardeshir Talebi:[PubMed][Scholar]
Mohsen Minaiyan:[PubMed][Scholar]