A natural anthraquinone derivative, on the infection process of Blumeria graminis on wheat. Physcion is one of the important active ingredients of ethanol extract from the roots of Chinese rhubarb (Rheum officinale) for controlling powdery mildew.
Atmosphere: Inert gas
Form:
Yellow Solid
Melting Point:
195-202 degrees C
Solubility:
Chloroform, Ethyl acetate
Method for Determining Identity: Proton NMR (CDCl3) and MS
TLC Condiitons: SiO2; Hexane:Ethyl Acetate: Acetic Acid (6:3:0.1). Visualized with UV and AMCS; Rf=0.65.
Storage and Stability:
Store under inert atmosphere at -20 degrees C. For maximum recovery of product, centrifuge the original vial and prior to removing the cap.
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