edible pigment

• 食用色素

edible pigment的用法和样例：

例句

1. It is a kind of natural edible pigment extracted from grape skin.
   葡萄皮红色素是从葡萄皮中提取的天然食用色素。
2. Study on the Extraction of the Edible Pigment from the Seed Peel of Momordica Charantia L.
   利用苦瓜子衣制备食用色素的研究。