TY - JOUR T1 - Production of pectinases by A. niger: influence of fermentation conditions JO - Brazilian Archives of Biology and Technology A1 - Martos, MarĂ­a A. A1 - Martinez Vazquez, Francisco A1 - Benassi, Fernando O. A1 - Hours, Roque A. SN - 1516-8913 UL - 10.1590/S1516-89132009000300007 VL - 52 Y1 - 2009 PB - Brasil ER -