| physicochemical characterization and antioxidant activity of melanin from a novel strain of aspergillus bridgeri ictf-201. | aims:ôçé the aim of the study is to isolate and characterize a melanin pigment from a new strain of aspergillus bridgeri isolated from rhizosphere soil of eucalyptus tree and to investigate its antioxidant activity. methods and results:ôçé the extracellular pigment was alkali soluble, acid-resistant and insoluble in organic solvents and water. the pigment was precipitated on treatment with fecl(3) , ammoniacal agno(3) and potassium ferricyanide and was bleached in the presence of oxidants and re ... | 2011 | 21726247 |