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|Now just a bit of chemistry about how the compounds in plants are converted
into indigo ...
||In Indigofera species, the
precursor of indigo is indican
while in woad it is mainly isatan A (right)
Oberthür C, Schneider B, Graf H, Hamburger M, The Elusive Indigo Precursors in Woad (Isatis tinctoria L.) - Identification of the Major Indigo Precursor, Isatan A, and a Structure Revision of Isatan B, Chemistry & Biodiversity, 2004, 1(1), 174 - 182
|last modified ...||Email: email@example.com||Lichen purple||Tyrian purple||Henry Edward Schunck||Dyes in History and Archaeology||Murexide||Home|