2011Food Science and Technology InternationalRequires access

Deodorization of red radish pigment

Peng-Yuan Zhan

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Abstract

Red radish pigment which produced by current processes in industry has peculiar smell which decreased its application effect.So a red radish pigment production process which has a good effect on odor substances removal and can be used for industrial production is urgently needed in industry.Experimental study on deodorization of red radish pigment derived from red radish by enzymatic hydrolysis,chitosan precipitation and aqueous two-phase extraction combined with resin adsorption method was performed.The results indicate that the method of aqueous two-phase extraction combined with resin adsorption is the best one,the removal ratio of isothiocyanate reaches 94.0%,with no aftersmell.However,anthocyanin content of powdery products produced by this method is decreased slightly.

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What this paper is about

Red radish pigment which produced by current processes in industry has peculiar smell which decreased its application effect.So a red radish pigment production process which has a good effect on odor substances removal and can be used for industrial production is urgently needed in industry.Experimental study on deodorization of red radish pigment derived from red radish by enzymatic hydrolysis,chitosan precipitation and aqueous two-phase extraction combined with resin adsorption method was performed.The results indicate that the method of aqueous two-phase extraction combined with resin adsorption is the best one,the removal ratio of isothiocyanate reaches 94.0%,with no aftersmell.However,anthocyanin content of powdery products produced by this method is decreased slightly.

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Available abstract

Red radish pigment which produced by current processes in industry has peculiar smell which decreased its application effect.So a red radish pigment production process which has a good effect on odor substances removal and can be used for industrial production is urgently needed in industry.Experimental study on deodorization of red radish pigment derived from red radish by enzymatic hydrolysis,chitosan precipitation and aqueous two-phase extraction combined with resin adsorption method was performed.The results indicate that the method of aqueous two-phase extraction combined with resin adsorption is the best one,the removal ratio of isothiocyanate reaches 94.0%,with no aftersmell.However,anthocyanin content of powdery products produced by this method is decreased slightly.

Key concepts: Pigment, Chemistry, Extraction (chemistry), Adsorption, Aqueous solution, Aqueous two-phase system, Chromatography, Organic chemistry

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