6 MFA Medium is used for cultivation of Aspergillus ochraceous. Yeast extract provides a source of trace elements, vitamins and amino acids. Dextrose is the source of carbohydrate. Monopotassium dihydrogen phosphate and sodium potassium tartarate buffers the media. Magnesium sulphate, ferrous sulphate and zinc sulphate are sources of divalent cations and other necessary ions.