To provide an algae-containing composition for foods and beverages which is less green or less colored and does not have a smell characteristic of algae. Provided are an algae-containing composition for foods and beverages having an a* value of not less than -5, a method for producing algae for foods and beverages comprising a low-temperature decoloration culturing step of culturing algae in a medium having a nitrogen content of not more than 500 mg/liter of the medium at a temperature of 0 DEG C to 20 DEG C for 5 days to 6 months, for example, and a method for producing algae for foods and beverages comprising a decoloration culturing step of culturing algae in a medium having a nitrogen content of not more than 500 mg/liter of the medium at a temperature of 23 DEG C to 30 DEG C for 5 days to 6 months and a decoloration step of decoloring the algae using an organic solvent in the decoloration culturing step.[課題]本發明提供一種含有飲食品用藻類組合物,其綠色少或色澤淺,且無藻類特有的氣味。[解決手段]一種a*值為-5以上的含有飲食品用藻類組合物;及一種飲食品用藻類之製造方法,其包含低溫脫色培養步驟,於0℃以上20℃以下,以每1L培養基中氮的含量為500mg以下的培養基將例如藻類培養5天以上6個月以下;以及一種飲食品用藻類之製造方法,其包含:脫色培養步驟,於23℃以上30℃以下,以每1L培養基中氮的含量為500mg以下的培養基將藻類培養5天以上6個月以下;以及脫色步驟,使用有機溶劑將脫色培養步驟的藻類進行脫色。