ANSWER
According to List of Existing Food Additives, copper chlorophyll is permitted to be used as a food colouring in Japan.
Reference
Ministry of Health and Welfare Japan. (n.d.). List of Existing Food Additives.
According to List of Existing Food Additives, copper chlorophyll is permitted to be used as a food colouring in Japan.
Reference
Ministry of Health and Welfare Japan. (n.d.). List of Existing Food Additives.