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Research on Phosphatases of Belladona Leaves and Their Purification

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Author(s): M. Khorsand

Journal: Acta Medica Iranica
ISSN 0044-6025

Volume: 1;
Issue: 2;
Start page: 125;
Date: 1957;
Original page

ABSTRACT
Through experimentation with several leaves it has been possible for us to point out the existance of two different acid phosphatases. We have studied in more detail the phosphatases of belldon a leaves (Atropa Belladona L. Solanacees). The great part of the phosphatase activity is water extractable. We have compared the activity of the soluble fraction with that not directly extractable by means of water. The insoluble fraction could not be solubilized in a satisfaetC'fY m.anner.The digestion by papaine produced a slight solubilizing effect; on the other hand salt solutions, neutral or alkaline, or water glycerol mixtures had no solubilizing effect on the enzyme, It has been possible to demonstrate the existence of two different phosphatases in the insoluble fraction: the first of the type II,
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