indigo

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indigo: References & Edit History

More Articles On This Topic

Assorted References

application to drawing
- In drawing: Combinations of various techniques
biological coloration
- In coloration: Indigoids
heterocyclic compounds
- In heterocyclic compound: Five-membered rings with one heteroatom
plant source
- In indigo
relationship to aniline
- In aniline
synthesis
- In dye: Natural dyes
work of Baeyer
- In Adolf von Baeyer

export by

El Salvador
- In El Salvador: The colonial period
India
- In India: Economic policy and development

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Modified link of Web site: National Center for Biotechnology Information - PubMed Central - Production of indigo by recombinant bacteria.	Yamini Chauhan	Nov 26, 2024
	Add new Web site: IOPscience - Indigo Dye Derived from Indigofera Tinctoria as Natural Food Colorant.	Yamini Chauhan	Oct 04, 2024
	Add new Web site: Al Jazeera - Indigo: The story of Indias blue gold.	Aakanksha Gaur	Jun 05, 2023
	Removed media.	Adam Augustyn	Dec 10, 2021
	Media added.	The Editors of Encyclopaedia Britannica	Apr 21, 2016
	Add new Web site: New Georgia Encyclopedia - Indigo.	Gloria Lotha	Jun 10, 2011
	Add new Web site: How Stuff Works - Science - Indigo.	Gloria Lotha	May 18, 2011
	Added new Web site: How Stuff Works - Science - Indigo.	Shiveta Singh	Feb 02, 2009
	Article revised.	The Editors of Encyclopaedia Britannica	May 04, 1999
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998