The present study focuses on the extraction of Natural dyes from Curcuma longa, Allium cepa, Optuntia ficus-indica, Beta vulgaris, Hibiscus, Lawsonia inermis with improved properties for textile applications.The plant material was made in to the paste and was subjected to dryness to recover the dye in a pure powder form.The dyes were characterized by FT-IR spectroscopy.
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Priyadharsini et al. (2014) studied this question.
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