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2011•Food and Nutrition in ChinaRequires access

Study on Extraction Technology and Assisted Extraction Conditions of Maize Yellow Pigment

Xiaofei Sun

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Abstract

The extraction condition of the yellow pigment from the maize powder was studied.Results showed that the maximum absorbance wavelengh of the maize yellow pigment was 446nm,and the absolute ethyl alcohol solvent was optimal for the extraction.The optimal extraction conditions obtained from the orthogonal experiment were the pH value of the extraction reagent 7.0,the ratio of materio to liquid 1∶7,the temperature 60℃and the extraction time 5h.Based on the optimal extraction conditions,better extraction effect would be achieved if we used prepreg and sonication extraction as assisted extraction conditions.

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What this paper is about

The extraction condition of the yellow pigment from the maize powder was studied.Results showed that the maximum absorbance wavelengh of the maize yellow pigment was 446nm,and the absolute ethyl alcohol solvent was optimal for the extraction.The optimal extraction conditions obtained from the orthogonal experiment were the pH value of the extraction reagent 7.0,the ratio of materio to liquid 1∶7,the temperature 60℃and the extraction time 5h.Based on the optimal extraction conditions,better extraction effect would be achieved if we used prepreg and sonication extraction as assisted extraction conditions.

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Available abstract

The extraction condition of the yellow pigment from the maize powder was studied.Results showed that the maximum absorbance wavelengh of the maize yellow pigment was 446nm,and the absolute ethyl alcohol solvent was optimal for the extraction.The optimal extraction conditions obtained from the orthogonal experiment were the pH value of the extraction reagent 7.0,the ratio of materio to liquid 1∶7,the temperature 60℃and the extraction time 5h.Based on the optimal extraction conditions,better extraction effect would be achieved if we used prepreg and sonication extraction as assisted extraction conditions.

Key concepts: Extraction (chemistry), Pigment, Absorbance, Reagent, Solvent, Chromatography, Sonication, Materials science

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