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Geographical origin traceability and identification of refined sugar using UPLC-QTof-MS analysis
Shuocong Li1, Xiwen Yu2, Zhenpeng Zhen1
1Institute of Bioengineering, Guangdong Academy of Sciences, Guangzhou 510316, China; Guangdong Sugarcane Science and Technology Innovation Center, Guangzhou 510316, China.
Food Chemistry
|January 25, 2021
Summary
Authenticating refined sugar
Area of Science:
- Food Science
- Analytical Chemistry
- Mass Spectrometry
Background:
- Food safety relies on authenticating the geographical origin of refined sugar.
- Current methods for origin verification can be limited.
Purpose of the Study:
- To determine the geographical origin traceability and authenticity of refined sugar in China.
- To evaluate a novel mass spectrometry approach for sugar authentication.
Main Methods:
- Utilized Ultra performance liquid chromatography-quadrupole time-of-flight Mass Spectrometry (UPLC-QTof-MS).
- Analyzed mass fragment ratios (Rδ-sucrose and Rδ-glucose) reflecting cultivation and environmental factors.
- Employed support vector machines (SVM) for classification accuracy assessment.
Main Results:
- Successfully classified 83.3% of refined sugar samples by geographical origin.
- Demonstrated the potential of mass fragment ratios for origin traceability.
- UPLC-QTof-MS proved effective for sugar authentication.
Conclusions:
- Mass fragment ratios offer a promising method for assessing refined sugar traceability and authenticity.
- This approach can enhance food safety by verifying sugar's geographical origin.
- The study provides a foundation for wider application in food origin authentication.
