Coated spinel color pigments process for their production and use.
涂覆尖晶石色料及其生产工艺与使用。
The brown pigments are major part of coloring materials for food.
棕色色素是食品着色物的重要部分之一。
If you can tell for sure those pigments are melanin, that would be diagnostic too.
如果你能确信这些色素是黑色素，那么也可以做出诊断。
If you can tell for sure those pigments are melanin, that would be diagnostic too.
如果你能确信这些色素是黑色素，那么也可以做出诊断。
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