Previous article . ... Segura Ceniceros E. P., Ilyina A., Contreras Esquivel J. C., Rodr guez Menchaca D., Flores Espinoza J. C., Montes Rodr guez O. E. Entrapment of enzymes in natural polymer extracted from residue of food industry: preparation methods, partial characterisation and possible application . ... The enzymes were active after their immobilization and after more than 6 months of storage at 4 o C. Moscow University Chemistry Bulletin . 2003, Vol. ... Copyright (C) Chemistry Dept., ...