PROBLEM TO BE SOLVED: To provide a dentifrice composition with favorable feeling in use, stably maintaining catechins in the composition and inhibiting discoloration.SOLUTION: The dentifrice composition contains the following ingredients (A), (B), (C) and (D) wherein (A) represents catechins, (B) represents a water-soluble polymer forming a water-insoluble complex with catechins (hereinafter refers as polymer A), (C) represents an acid or its salt selected from the group consisting of malic acid, citric acid, phytic acid, lactic acid, succinic acid, tartaric acid, fumaric acid and their salts and (D) represents water.COPYRIGHT: (C)2009,JPO&INPIT【課題】カテキン類を組成物中に安定に保持して、変色を抑制し、使用感の良好な歯磨き組成物の提供。【解決手段】次の成分(A)、(B)、(C)及び(D):(A)カテキン類(B)カテキン類と水不溶性の複合体を形成する水溶性ポリマー(以下ポリマーAという)(C)リンゴ酸、クエン酸、フィチン酸、乳酸、コハク酸、酒石酸、フマル酸及びこれらの塩から選ばれる酸又はその塩(D)水を含有する歯磨き組成物。【選択図】なし
