Review Article

Bioseparation of Four Proteins from Euphorbia characias Latex: Amine Oxidase, Peroxidase, Nucleotide Pyrophosphatase/Phosphodiesterase, and Purple Acid Phosphatase

Table 4

Purification of Euphorbia latex copper amine oxidase.

StepTotal protein (mg)Total activity (nkat)Specific activity (nkat/mg)Yield (%)Purification (fold)

Acetone powder crude extract35003791710.81001
Ammonium sulfate fractionation534338176389.25.8
DEAE-cellulose chromatography200.3300001507913.8
Hydroxylapatite column chromatography80.2280673507432
-Aminohexy-Sepharose 4B column chromatography41232335676152.5