Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. [colorant for dye and pigment]

Anotations

Scope note:

A natural orange-red dye extracted from the root of the of the munjeet plant, Rubia cordifolia, indigenous to the mountainous regions of Asia. Munjeet is a lightfast dye that was historically used for dying cotton in Asia. The principle colorant is munjistin, an anthraquinone, and it also contains smaller amounts of purpurin, pseudopurpurin, alizarin, and xanthopurpurin.