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Additionally, glycerol, methanol, ethanol, and ethylene glycol were studied to determine an incipient structure-property relationship. The high extraction yields of gallic acid received with liquid and glycerol solvent mixtures are explained not only because of the additional hydrogen bonds between glycerol and gallic acid in comparison with the various other alcohols, but also as the 3rd hydroxyl team permits the formation of a three-centered hydrogen relationship, which int