Volume 3 , Issue 1 , May 2000 , Pages 1-13
1 College of Science, Salahaddin University
Polyphenol oxidase ( ppo) of Melissia officinalis was isolated and purified by gel
filtration and ion exchange chromatography. Three isoenzymes were separated.The
isoelectric points and some kinetic properties of these isonzymes are reported.