Silkworms that consumed Direct Acid Fast Red azo dye produced these red fibers
Silkworms chowing down on one of their favorite foods – mulberry leaves (Photo: Shutterstock)
Like most other fabrics, silk is colored with dye. Unfortunately, the dyeing process results in wastewater laden with toxins. Now, however, scientists from the National Chemical Laboratory in India are developing an alternative. They're feeding dye to silkworms, which in turn are producing pre-colored silk fibers.
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