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  • Title: New laboratory scale purification of beta-amanitin from American Amanita phalloides.
    Author: Yocum RR.
    Journal: Biochemistry; 1978 Sep 05; 17(18):3786-9. PubMed ID: 568002.
    Abstract:
    A modern laboratory scale method for purifying beta-amanitin from the mushroom Amanita phalloides is described. The purification involves solubilizing the toxin from dried mushrooms, removing the lipids by chloroform extraction, desalting on Amberlite XAD-4, adsorption chromatography on Sephadex LH-20 at acidic and neutral pH, and ion-exchange chromatography on QAE-Sephadex. The resulting beta-amanitin is homogeneous by thin-layer chromatography and is biologically active.
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