Marigold flowers are
used in several Asian countries for various purposes. The amount of unused
marigold flowers is wasted while the used ones also pose problemswhiledisposingthem. The central composite design of the experiment was to optimize
the extraction and drying conditions of marigold flowers as natural dye.
The
effect of Phextraction medium, extraction time and material to liquor ratio was
investigated.Later, it was noticed that ph and liquor ratio had statistically
significant effect on dye extraction whereas the effect of time within the
range used in this study was not found to be significant.
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