Sudan stains Any of various stains based on aniline dyes, and used to color fats and waxes, and hence cutinized (e.g. cuticle ) and suberized (e.g.Casparian strip) tissues.See staining.

苯胺料为基础成的各种料，用于脂肪和蜡着色，因此皮肤（例：表皮）和栓化组织（例：凯氏带）。