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Indian J Exp Biol. 2001 Jul;39(7):719-22.

Role of gastric antioxidant and anti-Helicobactor pylori activities in antiulcerogenic activity of plantain banana (Musa sapientum var. paradisiaca).

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Department of Pharmacology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India.


Studies with plantain banana (Musa sapientum var. paradisiaca) have indicated its ulcer protective and healing activities through its predominant effect on various mucosal defensive factors [Sanyal, Arch Int Pharmacodyn, 149 (1964) 393; 155 (1965) 244]. Oxidative stress and Helicobactorpylori colonization are considered to be important factors in the pathogenesis of gastric ulcers. In the present study methanolic extract of plantain banana pulp (BE) was evaluated for its (i) antiulcer and antioxidant activities in 2 hr cold restraint stress and (ii) anti-H.pylori activity in vitro. The extract (BE, 50 mg/kg, twice daily for 5 days) showed significant antiulcer effect and antioxidant activity in gastric mucosal homogenates, where it reversed the increase in ulcer index, lipid peroxidation and super oxide dismutase values induced by stress. However it did not produce any change in catalase values, which was significantly decreased by stress. Further, in the in vitro study. BE (0.32-1,000 microg/ml) did not show any anti-H.pylori activity. The results suggest absence of anti-H. pyloric activity of methanolic extract of banana in vitro and its antioxidant activity may be involved in its ulcerprotective activity.

[Indexed for MEDLINE]

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