Pectic Enzymes of Rumen Fluid

Abstract
A glycosidic pectic enzyme was found in a number of rumen fluid samples and was characterized as -pectinglycosidase. It was exocellular and adaptive to the addition of pectic substances, with a pH activity from 7.0 to 9.5 (optimum pH 8.5). The rumen fluid was free of pectinesterase as determined at three different pH values, 4.5, 6.0 and 7.5.