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Cyperus rotundus Oil and Extract
The roots, or tubers, of purple nutsedge, a pantropical, troublesome weed (Cyperus rotundus L.), have been used both for culinary and an oild produced from them for perfume uses since ancient times (Negbi, 1992). The oil, which is produced both in India and China, is obtained by steam distillation of the dried tubers.
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