Simple column-switching ion chromatography method for determining eight monosaccharides and oligosaccharides in honeydew and nectar.
Chengzhu Ni, Binhe Zhu, Nani Wang, Muhua Wang, Suqing Chen, Jiajie Zhang, Yan Zhu
文献索引:Food Chem. 194 , 555-60, (2015)
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摘要
Honeydew is excreted by aphids as a sweet waste and nectar is floral honey. Honeydew and nectar are complicated samples which consist of various sugars and amino acids. In this work, a simple ion chromatography with column-switching method was developed for the simultaneous analysis of 8 monosaccharides and oligosaccharides in honeydew and nectar. A reversed-phase column was used as a pretreatment column to eliminate organics on-line and sugars were eluted from a collection loop to analytical column by using column-switching technique. This method showed good linearity (r⩾0.9994) and afforded low limits of detection ranging from 1.55 to 10.17μgL(-1) for all the analytes. Recoveries ranged from 95% to 105% and repeatability results were acceptable with relative standard deviation of less than 3.21% (n=6). This method was successfully applied to quantification of these sugars in honeydew and nectar. These results showed honeydew had much more oligosaccharides than nectar.Copyright © 2015 Elsevier Ltd. All rights reserved.
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