| abstract |
(57) [Summary] [Problem] To provide an anti-fading agent that significantly suppresses the fading phenomenon of anthocyanin-based pigments and to provide an anthocyanin-containing food product in which fading is significantly suppressed. An anti-fading agent for anthocyanin-based pigments, characterized by containing isochlorogenic acid or a salt thereof as an active ingredient, wherein isochlorogenic acid is 3,5-dicaffeoylquinic acid and 3,4-dicaffeoyl Quinic acid, 4,5- The anti-fading agent, which is at least one selected from the group consisting of dicaffeoylquinic acid and 3,4,5-tricaffeoylquinic acid, and an anthocyanin-based dye-containing food containing the anti-fading agent. |