71SEASONAL VARIATION IN ANTI ULCEROGENIC EFFECT OF AMARANTHUS SPINOSUS L. LEAVESSeasonal variation in anti ulcerogenic effect of Amaranthus spinosus L. leaves, if any, was studied in peptic ulcer models in rats. Results showed that A. spinosus L. leaves collected during the months of May and June had maximum anti peptic ulcer activity in ethanol induced gastric ulcers and cysteamine induced duodenal ulcers in ratsdr_pkmitra@rediffmail.comResearch512015Amaranthus spinosus L. leave, Peptic ulcer,,Ethanol,CysteamineDebiprasad Ghosh,Prasenjit Mitra,Tanaya Ghosh,Ravindernath Salhan,Takhelmayum Amumacha Singh, Amit Chakrabarti,Prasanta Kumar MitraDepartment of Biochemistry, North Bengal Medical College, Sushrutanagar 734012 Dist. Darjeeling, West Bengal, India.,Biochem Academy, Saktigarh, Siliguri 734005, West Bengal, India,Biochem Academy, Saktigarh, Siliguri 734005, West Bengal, India, Sikkim Manipal University, Sikkim Manipal Institute of Medical Sciences, Tadong, Gangtok 737102, Sikkim, India., Sikkim Manipal University, Sikkim Manipal Institute of Medical Sciences, Tadong, Gangtok 737102, Sikkim, India., Sikkim Manipal University, Sikkim Manipal Institute of Medical Sciences, Tadong, Gangtok 737102, Sikkim, India.,Department of Biochemistry, North Bengal Medical College, Sushrutanagar 734012 Dist. Darjeeling, West Bengal, India.