Use certain kinds of mixed food additives, each of their use quantity and its "Hygienic Standard for Healthcare Food Additives in Use" must be summed ≤ 1.The use of synthetic color indigo or indigo carmine must be clarified and its detection method should be established. 使用某类混和食品添加剂时,每种的加入量与其最大使用限量比值之和≤1;添加食品着色剂靛蓝或酸性靛蓝,要明确,并建立其检测方法。