PROBLEM TO BE SOLVED: To provide a polyphenol-containing sustained-release antimicrobial agent in which bitter taste and astringency are reduced, and which has sustained-release.SOLUTION: The polyphenol-containing sustained-release antimicrobial agent includes a water insoluble complex which consists of a water-soluble antibacterial polyphenol and a water-soluble protein, wherein a mass ratio of the antibacterial polyphenol to the water-soluble protein in the water insoluble complex is 3:97-90:10.COPYRIGHT: (C)2012,JPO&INPIT【課題】苦味・渋味が低減され、徐放性を有するポリフェノール含有徐放性抗菌剤を提供する。【解決手段】水溶性の抗菌性ポリフェノールと水溶性タンパク質とからなる水不溶性複合体を含み、前記水不溶性複合体中の前記抗菌性ポリフェノールと前記水溶性タンパク質との質量比が3:97~90:10であるポリフェノール含有徐放性抗菌剤。【選択図】なし
