Fig. 1From: Naturally occurring Piper plant amides potential in agricultural and pharmaceutical industries: perspectives of piperine and piperlonguminePrimary piper amides found in Piper plants. (1), piperine; (2), piperlongumine; (3), pellitorine; (4), pipernonaline; (5), guineensine; (6), N-isobutyl-2E,4E-octadecadienamide; (7), piperovatine; (8), piperolein B; (9), piperchabamide D; (10), 4,5-dihydropiperlonguminine; (11), wisanine; (12), pipercide; (13), retrofractamide ABack to article page