Urease Inhibitory Activities of some Commonly Consumed Herbal Medicines

Document Type: Research article

Authors

1 Department of Medicinal Chemistry, Faculty of Pharmacy and Medicinal Plants Research Center, Tehran University of Medical Sciences, Tehran, Iran.

2 Department of Pharmacognosy, School of Pharmacy, Shaheed Beheshti University of Medical Sciences, PO Box: 14155-6153, Tehran, Iran.

3 Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences

Abstract

Urease enzyme has a crucial role in the persistent habitation of Helicobacter pylori (H. pylori) that induces gastrointestinal diseases, in particular gastritis, duodenal, peptic ulcer, and gastric cancer. Plants have long been utilized as the biggest source of substances with medicinal properties from natural origin and therefore result in less toxicity and adverse side effects upon usage. 15 medicinal plant extracts were examined against Jack bean urease activity by Berthelot reaction. Each herb was extracted using 80% aqueous methanol. The more effective extracts were further tested and their IC50 values were determined. Three plant extracts including Ginkgo biloba, Rhus coriaria, and Matricaria inodora were found to be the most effective ones with IC50 values of 36.17, 80.29, and 100.6 μg/ml, respectively.

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