Journal
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
Volume 62, Issue 22, Pages 6081-6102Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2021.1895713
Keywords
Authenticity; fraud; fruit juices; untargeted for targeted analysis
Categories
Funding
- National Key R&D Program of China [2017YFD0400705]
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This article discusses targeted and untargeted analysis techniques for assessing the authenticity of fruit juices, including stable isotopes, phenolics, carbohydrates, organic acids as targeted markers, and liquid/gas chromatography-mass spectrometer, nuclear magnetic resonance, infrared spectroscopy as untargeted techniques.
Fruit juices are becoming more and more popular in the whole world. However, the increasing fruit juice fraud cases are undermining the healthy development of fruit juice industry. Fruit juice authenticity represents an important food quality and safety parameter. Many techniques have been applied in fruit juices authenticity assessment. The purpose of this review is to provide a research overview of the targeted and untargeted analyses of fruit authentication, and a method selection guide for fruit juice authenticity assessment. Targeted markers, such as stable isotopes, phenolics, carbohydrates, organic acids, volatile components, DNAs, amino acids and proteins, as well as carotenoids, will be discussed. And untargeted techniques, including liquid/gas chromatography-mass spectrometer, nuclear magnetic resonance, infrared spectroscopy, inductively-coupled plasma-mass spectrometry/optical emission spectrometer, fluorescence spectra, electronic sensors and others, will be reviewed. The emerging untargeted for novel targeted marker analysis will be also summarized.
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