Effect of KRGCD on histological evaluation in an HCl/ethanol-induced ulcer model. Sections of hematoxylin and eosin (HE) staining (a-d). Section through gastric mucosa in the sham treated group (a). Microscopic appearance of lesions induced by HCl/ethanol in gastric mucosa pretreated with vehicle (b). Microscopic appearance of lesions pretreated with 30 mg/kg of KRGCD (c). Microscopic appearance of lesions pretreated with 300 mg/kg of KRGCD (d). Scale bar = 150 μm (upper micrograph) and 30 μm (lower micrograph).