To impart a vivid color to processed food products containing an anthocyanin pigment. At that time, it is desirable to use a conventional food product that is safe and inexpensive, without adding a coloring agent, and to avoid imparting a foreign taste to the food product. [Solution] A suitable amount of a yeast extract having a peptide content of 5 mass% or higher, an RNA content of 5 mass% or higher, a free amino acid content of 4 mass% or lower and, preferably, a dietary fiber content of 15 mass% or higher is added to an anthocyanin pigment or a conventional processed food product that includes an anthocyanin pigment.本發明之課題係為將含有花青素(anthocyanins)系色素之加工食品的顏色處理為鮮艷的顏色。此時,理想為不添加著色劑,使用高安全性且低廉之一般食品、不賦予食品異味。本發明係對於花青素系色素、或含有花青素系色素之一般加工飲食品,適量添加胜肽含量為5質量%以上、RNA含量為5質量%以上、游離胺基酸含量為4質量%以下,更佳食物纖維含量為15質量%以上之酵母萃取物。
