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| 离子色谱法测定糕点中的单、双糖的研究 |
| 侯玉柱,元晓梅,蒋明蔚,李晓斌,贾楠,宋全厚 |
| 中国食品发酵工业研究院,北京,100027 |
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| Determination of Monosaccharides and Disaccharide in Pastry by Ion Chromatography-integrated Pulsed Amperometric Detection |
| Hou Yuzhu,Yuan Xiaomei,Jiang Mingwei,Li xiaobin,Jia Nan,Song Quanhou |
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摘要 用高效阴离子交换色谱一脉冲积分安培检测法(HPAEC-PAD)测定了糕点中的水溶性的半乳糖、葡萄糖、木糖、果糖、蔗糖、乳糖和麦芽糖.研究采用水浸提、脱脂、去蛋白及膜过滤法处理糕点样品,以D10NEX CarboPac PA10(4 mm×250 mm)阴离子交换柱为色谱柱,以NaOH溶液作为流动相,采用梯度淋洗程序分离,脉冲积分安培检测.实验结果表明,本方法所测的7种糖的检出限为0.005～0.02 mg/L(25.0μL进样,S/N=3),样品加标回收率为96.0%～102.5%.该方法具有灵敏度高、分离效果好、重现性好和样品不需要衍生处理的优点.
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出版日期: 2009-02-25
发布日期: 2017-12-01
期的出版日期: 2009-02-25
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2009, Vol. 35 
