PRODUCTION OF LOW METHOXYL PECTIN AS AN ANTI CANCER AGENT FROM CITRUS PEEL PECTIN THROUGH ENZYME DEMETHYLATION BY PAPAYA PECTINESTERASE - Hartati, Indah; 2Department of Chemical Engineering, Faculty of Engineering, Wahid Hasyim University No. 22 Menoreh Tengah Road X , Semarang-Indonesia (UMP, 2011)