Sono-transformation of tannic acid into biofunctional ellagic acid micro/nanocrystals with distinct morphologies
Sukhvir Kaur Bhangu, Ritu Singla, Enrico Colombo, Muthupandian Ashokkumar, Francesca Cavalieri
GREEN CHEMISTRY | ROYAL SOC CHEMISTRY | Published : 2018
A sustainable, reagent-less and one-pot ultrasonic methodology has been developed to transform amorphous tannic acid into regularly shaped crystalline ellagic acid particles. Multiple and consecutive reactions have been performed on tannic acid, in aqueous solution without the addition of any external reagent. The size, morphology and bio-activity of ellagic acid micro-nanocrystals can be finely tuned by choosing appropriate ultrasonic parameters.
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Awarded by ARC
This research was funded by the ARC Future Fellowship 2014 (project number FT140100873, to FC). S. K. B. acknowledges the University of Melbourne for the scholarships (MRS). We thank Prof. Frank Caruso for helpful discussion.