Evaluation method of bitterness and astringency of polyphenol compounds

摘要

PROBLEM TO BE SOLVED: To provide an evaluation method that reduces the amount of samples supplied for evaluation, performs evaluation easily, quickly and with a certain degree of objectivity, and enables candidates to be narrowed down to a certain degree in an initial search step.;SOLUTION: A base material covered with a phosphorylcholine group is brought into contact with a polyphenol compound, a bonded compound resulting from the contact is evaluated as one having strong expression tendency of bitterness and astringency. It is preferable that a hydrophobic base material adsorbed by a phosphorylcholine group-containing copolymer is used.;COPYRIGHT: (C)2013,JPO&INPIT