Research on Phosphatases of Belladona Leaves and Their Purification (Part 1)
Belladona leaves as well as all other studied leaves contains two distinct phosphatase fractions belonging respectively to types II and IIIi the major parts of these enzymes is extraetible by water. It was not possible to extract the non soluble fraction which is solidly retained by the cellular constituents. Phosphatase II does not differ from other phosphatnses of the same type. Whereas phosphatase III is distinetely different from enzymes of the same type of vegetal or animal origins. It is activated by bivalent metallic ions which are specific activators of the alkaline phcspbatnses: Mg-Zn-Ni and Co.
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