Thursday, 1 September 2016

Central composite design method for optimization of extraction and dyeing conditions of marigold pigment



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. 

marigold pigment

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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