Biomimetic oxidation of piperine and piplartine catalyzed by iron(III) and manganese(III) porphyrins - Schaab, Estela Hanauer; Crotti, Antonio Eduardo Miller; Iamamoto, Yassuko; Kato, Massuo Jorge; Costa-Lotufo, Letícia Veras; Lopes, Norberto Peporine (Biological & Pharmaceutical Bulletin, 2010)