Simultaneous Determination of Sugar Alcohols by HPLC-ELSD and the Sugar Alcohol Thermal Stability

doi:10.3969/j.issn.1673-1689.2019.09.020

Home > Archive>Volume 38, Issue 9, 2019 >139-144. DOI:10.3969/j.issn.1673-1689.2019.09.020

Simultaneous Determination of Sugar Alcohols by HPLC-ELSD and the Sugar Alcohol Thermal Stability
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                        10.3969/j.issn.1673-1689.2019.09.020
                    
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Four kinds of sugar alcohols（erythritol，xylitol，sorbitol and mailitol） were analyzed by high performance liquid-evaporative light scattering detector（HPLC-ELSD） and the thermal stability was also studied. The optimum conditions were Amide 80 hydrophilic column，flow rate 0.2 mL/min，column temperature 33 ℃，ELSD drift tube temperature 50 ℃，carrier gas flow rate 2.5 L/min. The results showed that the linearity of the four kinds of sugar alcohols was well in the range of 0.025~1.000 mg/mL. The detection limits of erythritol，xylitol，sorbitol and maltitol were 14.1、33.0、19.5、15.3 μg/mL，and the precision（relative standard deviation） was 1.55 %，1.23 %，1.30 % and 1.49%，respectively. The thermal stability of four sugar alcohols under different heating temperature and heating time had the following rules：xylitol＞ erythritol＞ sorbitol＞ maltitol.

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NIU Lisha, ZHANG Lianfu, SUN Qingrui, LI Jing. Simultaneous Determination of Sugar Alcohols by HPLC-ELSD and the Sugar Alcohol Thermal Stability[J]. Journal of Food Science and Biotechnology,2019,38(9):139-144.

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