南极磷虾甲壳素的脱色工艺研究
Study on the decolorization technology of chitin from Antarctic krill shell
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摘要: 以甲壳素的白度为指标,研究了南极磷虾甲壳素的脱色条件,通过对比实验,确定H2O2为脱色剂;通过单因素试验和正交试验,确定最佳脱色工艺条件为:H2O2浓度12%,脱色温度65℃,脱色时间3 h,pH=8~9,在该条件下,南极磷虾甲壳素脱色后的白度可达到70.Abstract: The decolorization conditions of chitin from Antarctic krill shells were studied.According to the comparative experiment,H2O2 was defined as the decolorant.Through single-factor and orthogonal experiment,the optimum decolorization conditions of chitin from Antarctic krill were as follows:the concentration of H2O2 was 12%,the decolorization temperature was 65℃,processing time was 3h and pH was in 8~9.The proven experiment showed that whiteness after decolorization of chitin from Antarctic krill shells could reach above 70 under this condition.
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Key words:
- Antarctic krill shell /
- chitin /
- decolorization /
- whiteness
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