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Study on Extraction and Stability of Yellow Pigment from Orange Peel

Yu Chen

Abstract

The optimum conditions for the extraction of yellow pigment from orange peel with immersing were studied and the stability was investigated.The result showed that the optimum conditions of immersing technique were: he ratio of 95 % ethanol to orange peel weight 1∶8,orange peel was immersed at 60 ℃ for 6 h.It has certain endurance to oxidizing t and reducing reactions.It is stable in acidity and slightly basic conditions.

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Key concepts: Orange (colour), Pigment, Oxidizing agent, Chemistry, Ethanol, Chromatography, Extraction (chemistry), Orange G