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The present study presents an attempt to modify the surface properties of macroporous resins (MRs) in order to improve anthocyanin adsorption and desorption from Pyrus communis var Starkrimson fruit peel extract. A number of MRs were tested to optimise the ultrasonic-assisted adsorption (UAA)
Polyphenol oxidase (PPO) was extensively purified to homogeneity from d'Anjou pear (Pyrus communis L.) by extraction in the presence of the phenolic binder AG 2-X8 andTriton X-100. Chlorophyll pigment was removed by chromatography resulting in a clear, colorless enzyme extract. Purification of pear
ABSTRACT Culture filtrates of a pathogenic isolate (IT37) of Stemphylium vesicarium, causing brown spot of European pear, induced veinal necrosis only on pear leaves susceptible to the pathogen. Two host-specific toxins, SV-toxins I and II, were purified from culture filtrates of IT37 by