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Classification of natural dyes1
| Natural dyes | |
|---|---|
| On the basis of chemical structure | On the basis of sources |
| Isoprenoid derivatives (carotenoids)Flavonoids (flavones, flavonols, and anthocyanins)Nitrogen–heterocyclic derivatives (betalains)Pyrrole derivatives (chlorophylls) | Plant/animal/mineral/origin• blue pigments• red pigments• yellow pigments• green pigments• white pigments• black pigments |
Information presented in the table is from Yusuf et al. (1)
