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NMR Fruit Juice Screening
SGF - Profiling
Highlighting the unique sensitivity and specifity analyses from a single NMR experiment, the prestigious Green Tech Asia 2011 conference has awarded the JuiceScreener its Food Technology Award for Innovation.
Using SGF-Profiling as a quality control method for application in the authentication of fruit juices, this unique method is based on Nuclear Magnetic Resonance (NMR) technology and enables the screening of apple and orange juices for origin authenticity, species purity or false labeling.
The NMR fruit juice screening method relies on an extensive spectroscopic database which contains NMR spectra from samples obtained from production sites all over the world. This database was generated in cooperation with SGF INTERNATIONAL E.V., SURE - GLOBAL - FAIR.
The method is implemented on Bruker’s new Avance™ III NMR spectrometer combined with a high throughput sampling system and automated data evaluation.
In recent years there has been an increasing demand in the need for evermore sophisticated food and beverage analytical techniques to meet new regulations, labeling requirements, and legal conformity standards. In a global market the control of authenticity and the detection of adulteration are growing issues facing the fruit juice industry.
The sensitivity and specificity offered by NMR mixture analysis technology makes this a viable and highly robust screening technique for fruit juice quality control. The method replaces a multitude of commonly used analytical experiments with a single NMR analysis.
Bruker BioSpin’s fruit juice screening methodology consists of a 400 MHz Avance III NMR spectrometer, equipped with a liquid handling system for automated sample preparation and injection, a fruit juice NMR database and analysis and sample management software. The method is marketed by Bruker BioSpin for use in the quality control of apple juice and orange juice, while other food applications are currently in development.
