References to woad

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

Hurry, J. B.,
The Woad Plant and its Dye, 1930. Oxford University Press, London : Humphrey Milford.

Contains an extensive bibliography .

Padden, A.N., John, P., Collins, M.D., Hutson, R. & Hall, A.R.
Indigo-reducing Clostridium isatidis isolated from a variety of sources, including a tenth century Viking woad vat.
Journal of Archaeological Science. 2000 27 953-956

A Nikki Padden, Vivian M Dillon, John Edmonds, M David Collins, Nerea Alvarez and Philip John,
An indigo-reducing moderate thermophile from a woad vat, Clostridium isatidis sp. nov.
International Journal of Systematic Bacteriology 1999 49 1025-1031

A. Nikki Padden, Vivian M Dillon, Philip John, John Edmonds, M David Collins, Nerea Alvarez,
Clostridium used in mediaeval dyeing,
Nature 1998 396 225

Tetsuo Kokubun, John Edmonds, Philip John,
Indoxyl derivatives in woad in relation to mediaeval indigo production,
Phytochemistry 1998 49 79-87

more info about this group

Kerry G Stoker, David T Cooke, David J Hill,
An improved method for the large-scale processing of woad (Isatis tinctoria) for possible commercial production of woad indigo,
Journal of Agricultural Engineering Research, 1998 71 315-320

K G Gilbert, D J Hill, C Crespo, A Mas, M Lewis, B Rudolph and D T Cooke,
Qualitative Analysis of Indigo Precursors from Woad by HPLC and HPLC-MS
Phytochemical Analysis 2000, 11, 18-20

John Edmonds,
The history of woad and the medieval woad vat,
Historic Dyes Series No 1, (1998) ISBN 0 9534133 0 6