A Protein Isolate from Moringa oleifera Leaves Has Hypoglycemic and Antioxidant Effects in Alloxan-Induced Diabetic Mice oleh Paulo C. Paula, Daniele O. B. Sousa, Jose T. A. Oliveira, Ana F. U. Carvalho, Bella G. T. Alves, Mirella L. Pereira, Davi F. Farias, Martonio P. Viana, Flavia A. Santos, Talita C. Morais, Ilka M. Vasconcelos