Colourful heritage : the story of an amino acid /
Scott, Thomas,1935-
Darlington : Serendipity,
2005.
"Areas of modern biochemistry, pharmacology and genetics trace their origins to the chemistry of an ancient dye" -- foot of t.p.
Baeyer, Adolf von, 1835-1917.
Tryptophan
Indigo
Woad (Dye)