nature pigment

• 天然色素

nature pigment的用法和样例：

例句

1. It provided new method for distilling of natural edible pigment.
   为天然色素的提取提供了一条新的途径。
2. Conclusion The black rice pigment is more stable than amaranth and grape pigments.
   结论黑米天然色素的光稳定性优于苋菜红和葡萄红天然色素。