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Extraction and Physicochemical Properties of Pigment from Glycine max(L.) Merr Episperm of Hukou in Jiangxi Province

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【Author】 MEI Yong-jun,YOU Cai-yun Jiangxi Environment Engineering Vocational College,Ganzhou,Jiangxi 341000,China

【摘要】 [Objective]To study the industrial application value of Glycine max(L.) Merr from Hukou,Jiangxi Province by discussing the extraction process and physicochemical properties of the pigment extracted from Glycine max(L.) Merr episperm.[Method]The traditional extraction method,microwave extraction and ultrasonic extraction were studied,and the extraction process was optimized by orthogonal test.With absorbance as index,the effects of heat,light,H2O2 solution,Na2SO3 solution and metal ions on the pigment stability were surveyed.[Result] Ultrasonic extraction was the optimum extraction method,and the optimum extraction processes were as follows:pH of 1,extraction solvent of 20% ethanol,solid-liquid ratio of 1:40,extraction temperature of 60 ℃,extraction power of 80 W and extraction time of 20 min.The thermal resistance and light fastness of the pigment were good,while they were greatly impacted by several factors such as oxidants,reducing agents and metal ions.[Conclusion]The optimum extraction process for the pigment from Glycine max(L.) Merr episperm cultivated in Hukou of Jiangxi Province was obtained,which will provide basis for the industrial application of Glycine max(L.) Merr.

  • 【分类号】S565.1
  • 【下载频次】28
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