The relationship between Helicobacter pylori infection and gastric cancer associated with stomach lesions has been reported. Improvement of the adverse effects induced by H. pylori is required for human health. It has been reported that wasabi (Wasabiajaponica Matsum) leaves have various effects on
Escherichia coli O157:H7 is a foodborne pathogen that causes hemorrhagic colitis and hemolytic uremic syndrome. The low dose of infection and severity of the disease represent a concern to public health. Natural compounds have been widely applied as food additives to replace synthetic preservatives.