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xujian_003

金虫 (正式写手)

[求助] 甲壳素中蛋白含量的测定

问一下各路大神,甲壳素中蛋白含量怎么测?甲壳素是不溶性物质,有没有哪位大神做过?求赐教
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xujian_003

金虫 (正式写手)

忽然想起来,凯氏定氮应该可以搞定,糊涂了
2楼2013-05-22 08:36:45
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libocpu

木虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
PSA: 金币+1, 3u 2013-05-22 11:07:31
甲壳素结构含氮,所以会干扰,导致测定结果准确性不高。特别是如果样品蛋白质含量比较低的情况下,测定结果误差会更大。
如果条件允许,最好水解后做一下氨基酸分析。
3楼2013-05-22 09:43:40
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