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《Journal of Anhui Agricultural Sciences》 2010-13
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Extraction Process of Melanin from Chinese Onion Seeds

LU Jing-lan et al (Agricultural College of Yanbian University, Longjng, Jilin 133400)  
[Objective] To study the extraction process of onion seed melanin, and provide a theoretical basis for Chinese onion pharmaceutical research and utilization. [Method] Onion seeds were used as test materials. The extraction and purification of melanin were performed, and the optimum conditions were determined. [Result] The optimum extraction conditions of Onion seeds melanin were as follows: the concentration of hydrochloric acid was 11 mol/L, solid-liquid ratio was 1∶40, the hydrolysis temperature was 55 ℃, and the hydrolysis time was 3 h. [Conclusion] The hydrochloric acid concentration is the most important factor affecting melanin extraction of onion seeds, followed by the hydrolysis time, temperature and solid-liquid ratio.
【CateGory Index】: S633.1
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