1、Indigotine is commonly used as a food coloring agent in various processed foods.
Indigotine通常被用作各种加工食品的着色剂。

2、This shampoo contains indigotine, which gives it a vibrant blue color.
这款洗发水含有吗蓝素，使其呈现出鲜艳的蓝色。