10.22376/ijpbs.2019.10.1.p1-12 Volume 4 Issue 2 2013 (April - June) In the present investigation, the crude dextranase enzyme obtained from lessThan i greaterThan S. sobrinus lessThan /i greaterThan was purified by ion- exchange chromatographic technique using DEAE- cellulose. The final purification fold 20.58 and 4.7% recovery was obtained. Molecular weight of 50 kDa was determined by SDS- PAGE. SATHYA G. AND PALANISWAMY M. S. sobrinus, dextranase enzyme, DEAE- cellulose 713-717