从动物躯体中提取的能使纤维和其他材料着色的有机物质,如从胭脂虫体内提取的红色染料。
天然染料根据来源可分为植物染料、动物染料和矿物染料。
The natural dyestuffs can be divided into plant dyestuffs, animal dyestuffs and mineral dyestuffs according to the source.
动物染料有虫(紫)胶、胭脂红虫等。由于天然染料分子结构各不相同，染色方法也有较大差异。
The animal dyestuffs are (purple glue) of worm, carmine worm, etc... Because natural dyestuffs molecular structure have nothing in common with each other, have a greater difference to dye the method.
在历史上，纺织染料是由植物和动物排泄物等天然资源制成的。
Historically, textile dyes were made from such natural sources as plants and animal excretions.
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