期刊
COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY
卷 20, 期 2, 页码 2040-2062出版社
WILEY
DOI: 10.1111/1541-4337.12700
关键词
food analysis; food fraud; metabolomics; nuclear magnetic resonance (NMR); wine
资金
- Programof the Autonomous Province ofTrento (Italy)
- EU [FESR 2014-2020]
Wine authentication is crucial for identifying malpractice and fraud, using various physical and chemical analytical techniques. The emerging method of H-1 NMR spectroscopy has gained attention in wine analysis for its simplicity and speed in sample preparation, although it lacks official recognition.
Wine authentication is vital in identifying malpractice and fraud, and various physical and chemical analytical techniques have been employed for this purpose. Besides wet chemistry, these include chromatography, isotopic ratio mass spectrometry, optical spectroscopy, and nuclear magnetic resonance (NMR) spectroscopy, which have been applied in recent years in combination with chemometric approaches. For many years, H-2 NMR spectroscopy was the method of choice and achieved official recognition in the detection of sugar addition to grape products. Recently, H-1 NMR spectroscopy, a simpler and faster method (in terms of sample preparation), has gathered more and more attention in wine analysis, even if it still lacks official recognition. This technique makes targeted quantitative determination of wine ingredients and nontargeted detection of the metabolomic fingerprint of a wine sample possible. This review summarizes the possibilities and limitations of H-1 NMR spectroscopy in analytical wine authentication, by reviewing its applications as reported in the literature. Examples of commercial and open-source solutions combining NMR spectroscopy and chemometrics are also examined herein, together with its opportunities of becoming an official method.
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