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4. (Phyto)chemical and botanical landmarks
A very large number of plant species, almost all of them, contain colorants, but only a limited number are sources of exploitable raw materials. Color molecules can be divided into different chemical families: flavonoids (flavones, flavonols, chalcones, aurones, anthocyanins), tannins, naphtho-, benzo- and anthraquinones, indigoids (and purples), carotenoids, chlorophylls. Most of these molecules are present in their native state in free form, but also in combined, glycosylated forms...
Table 1 shows the main chemical families concerned, examples of molecules and some plant species containing them.
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(Phyto)chemical and botanical landmarks
Advantages and benefits of vegetable colorants
Bibliography
Websites
SusChem platform : http://www.suschem.fr
Events
International Symposium on Natural Colors (ISEND 2011): http://www.isend2011.com
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Couleurs de Plantes : http://www.couleurs-de-plantes.com
Organizations – Associations – Federations
Société des experts chimistes de France (SECF) : http://chimie-experts.org
...
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