Effects of Malva sylvestris and Its Isolated Polysaccharide on Experimental Ulcerative Colitis in Rats

Malva sylvestris is an edible plant that is consumed as a herbal supplement for its antiulcer and colon cleansing properties in traditional Persian medicine. This study was designed to evaluate its effects on ulcerative colitis, which is a chronic gastrointestinal inflammation. Colitis was induced b...

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Bibliographic Details
Published in:Journal of evidence-based complementary & alternative medicine 2016-01, Vol.21 (1), p.14-22
Main Authors: Hamedi, Azadeh, Rezaei, Hossein, Azarpira, Negar, Jafarpour, Mehrnaz, Ahmadi, Fatemeh
Format: Article
Language:English
Subjects:
Animals
Colitis, Ulcerative - pathology
Colon
Colon - drug effects
Colon - pathology
Disease Models, Animal
Drugs
Efficacy
Induction
Inflammation
Inflammatory bowel disease
Male
Malva - chemistry
Plant Extracts - pharmacology
Polysaccharides - pharmacology
Rats
Rats, Wistar
Side effects
Ulcerative colitis
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Summary:Malva sylvestris is an edible plant that is consumed as a herbal supplement for its antiulcer and colon cleansing properties in traditional Persian medicine. This study was designed to evaluate its effects on ulcerative colitis, which is a chronic gastrointestinal inflammation. Colitis was induced by rectal instillation of acetic acid solution. Rats in different groups received aqueous, n-hexane, or ethanolic fractions of the plant before induction of colitis. Isolated polysaccharide of plant was also tested in 2 groups before and after induction of colitis. Macroscopic and microscopic evaluation of colitis showed that the aqueous fraction was very effective in preventing the inflammation and efficacy was lower for ethanolic and n-hexane fractions. Polysaccharide was effective in reducing signs of inflammation, especially as pretreatment. These beneficial effects provide evidences that this plant can be suggested for patients with this disease to improve their health condition or to reduce adverse effects of their medication.
ISSN:2156-5872
2156-5899
2515-690X
DOI:10.1177/2156587215589184