這可稱“食物色素”，僅美國食物和飲料裏也已用過150年，歐州也都用。。。

“Is Caramel Color Safe to eat? Yes, its safety when used as a food additive has been approved by the U.S. Food and Drug Administration (FDA), European Food Safety Authority (EFSA), Joint FAO/WHO Expert Committee on Food Additives (JECFA), as well as other authorities.”
https://foodadditives.net/colors/caramel-color/

沒事啊，放心啦。。