The acceleration of industrialization in the world has made the topic of environmental protection more and more prominent, and the situation of environmental protection in the world has become more urgent in the 21st century. With the increasing awareness of environmental protection and environmental-friendly concepts, plant dyes have been widely used in modern handmade textiles, and the extraction and application of plant dyes has become a hot research topic. This paper elaborates the research progress of a violet dye extraction method and dyeing application technology from the three aspects: the characteristics of violet plant dye on safety and environmental protection, the extraction method of plant dye science, and the practice of protein fiber dyeing. This paper also clarifies the research direction of plant dye extraction and protein fiber dyeing technology, and projects the development potential of environmental-friendly natural plant dye, with a purpose to provide reference for the development and utilization of plant dye.
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