Science and Education Publishing American Journal of Food and Nutrition 1 1 2013 03 31 Effect of Biomass and Sugar in Citric Acid Production by Aspergillus niger Using Molasses and Jackfruit as Substrates 1 6 EN M. Kamruzzaman Munshi Roksana Huque Afifa Khatun Mahfuza Islam Md. Fuad Hossain M.?Mazibur Rahman Md. Ibrahim Khalil Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka, Bangladesh AJFN2013111 10.12691/ajfn-1-1-1 2013 01 09 2013 01 22 2013 03 31