Multiple choice

Which of the following matches of ‘plant : associated dye / pigment as a colouring component’ is not correct?

  1. Golden seal : Berberine

  2. Annatto : bixin

  3. Indian madder : purpurin

  4. Cutch : catechin

  5. Saffron : lawsone
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Saffron is obtained from dried stigmas of the flower- Crocus sativus, a perinneal plant that flowers in autumn. It belongs to the family Iridaceae. The stigmas of contain yellow dye which is a water soluble glycosidic cis and trans carotenoidic crocetin and crocins as chief colouring components. Henna (Lawsonia inermis) contains lawsone, a naphthoquinone as the main colouring component.

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