University of Glasgow: Earliest Archaeological Evidence of Isatis Tinctoria, a Plant That Produces Blue Indigo Dye, Found
September 30, 2025
September 30, 2025
GLASGOW, Scotland, Sept. 30 (TNSjou) -- The University of Glasgow issued the following news:
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Earliest archaeological evidence of Isatis tinctoria, a plant that produces blue indigo dye, found
New research has found the earliest evidence of the use of blue dye in the archaeological record, dating back over 34,000 years.
The study shows that prehistoric people at Dzudzuana Cave in Georgia were using stone pebbles to grind the leaves of Isat . . .
* * *
Earliest archaeological evidence of Isatis tinctoria, a plant that produces blue indigo dye, found
New research has found the earliest evidence of the use of blue dye in the archaeological record, dating back over 34,000 years.
The study shows that prehistoric people at Dzudzuana Cave in Georgia were using stone pebbles to grind the leaves of Isat . . .