ARS BIOPOLISHING
May 1st, 2005
BY MONICA DOBIESCIENTISTS from the Agricultural Research Service (ARS) in the United States have developed a industrially-usable manufacturing technique that takes the itch out of wool, makes it whiter and makes it shrink-proof. Its "biopolishing" process involves pre-treating wool with a stable, activated peroxide, which is followed by a treatment with either serine or cysteine protease cellular enzymes. Biopolishing removes projecting fibre yarns from wool, giving it a smoother texture. Using hydrogen peroxide bleaches the wool at lower temperatures and in half ...
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