| 大孔吸附树脂对大枣多糖提取液的脱色条件研究 |
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| 引用本文： | 刘海霞,牛鹏飞,王峰,李琴梅,仇农学.大孔吸附树脂对大枣多糖提取液的脱色条件研究[J].食品与发酵工业,2007,33(10):180-184. |
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| 作者姓名： | 刘海霞 牛鹏飞 王峰 李琴梅 仇农学 |
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| 作者单位： | 1. 陕西师范大学食品工程系,陕西西安,710062
2. 陕西省轻工研究设计院,陕西西安,710054 |
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| 摘 要： | 通过吸附-解吸试验,比较6种不同的大孔吸附树脂对大枣多糖提取液的脱色效果。在静态吸附试验研究的基础上,筛选出LSA-800B树脂进行动态试验研究。结果表明,该树脂吸附大枣多糖色素的最佳参数为:室温(约20℃),上样液pH值3～4,吸附流速2.0mL/min,在该条件下对大枣多糖提取液中色素的吸附率可达91.2%,用70%乙醇溶液作为解吸剂,20℃、解吸流速1.0mL/min时,多糖损失率为6.0%。使用LSA-800B大孔吸附树脂对大枣多糖脱色可以获得更高的脱色率以及更低的多糖损失率。
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| 关 键 词： | 大孔吸附树脂 大枣 多糖 脱色 |
| 收稿时间： | 2007-06-14 |
| 修稿时间： | 2007-09-24 |
Study upon De-coloration Conditions of Chinese Date Polysaccharide by Using Macro-porous Adsorbent Resins |
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| Liu Haixia,Niu Pengfei,Wang feng,Li Qinmei,Qiu Nongxue.Study upon De-coloration Conditions of Chinese Date Polysaccharide by Using Macro-porous Adsorbent Resins[J].Food and Fermentation Industries,2007,33(10):180-184. |
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| Authors: | Liu Haixia Niu Pengfei Wang feng Li Qinmei Qiu Nongxue |
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| Abstract: | De-coloration properties of six kinds macro-porous resins on extracted Chinese date polysaceha- ride solution were performed by using adsorption-desorption tests.The resin LSA-800B was finally selected for kinetic studies based on the static adsorption results.The results demonstrated that the optimum adsorp- tion parameters for the extracted solution were:temperature 20℃,pH 3～4,adsorption flow rate 2.0mL/ min and the adsorption ratio 91.2%.When using ethanol-water(70:30,v/v)as desorption solvent and un- der the temperature 20℃and flow rate 1.0 mL/min,the loss ratio of polysaccharide was 6.0%.Higher ad- sorption ratio and lower loss ratio of polysaccharide could be obtained by means of de-coloration with LSA- 800B macro-porous resin. |
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| Keywords: | macro-porous resin chinese date polysaccharide de-coloration |
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