Untargeted metabolomics reveals links between Tiger nut (Cyperus esculentus L.) and its geographical origin by metabolome changes associated with membrane lipids

Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Josep RubertJana Hajslova

Abstract

Tiger nuts and tiger nut milk are well-known Valencian products, and step-by-step these tubers and the tuber-based beverage are becoming more and more relevant products in international markets. However, the increasing demand and success of Valencian tiger nuts did not allow protected designation of origin (PDO) tuber to supply the domestic and international markets. Therefore, the verification of the geographical origin is highly required. In this research, the main objective was to combine an advance analytical method and chemometrics tools in order to decipher the geographical origin of 45 tiger nut samples from (i) 'Xufa de València' PDO and (ii) African samples. The analytical method, based on solid-liquid extraction followed by ultra-high performance liquid chromatography coupled to high resolution tandem mass spectrometry (UHPLC-HRMS) metabolomics approach, highlighted sensitivity and wide linear dynamic range in order to simultaneously analyse polar and non-polar metabolites. After data processing, a pronounced sample clustering according to the geographical origin was clearly observed using unsupervised models, and supervised models revealed that tiger nuts lipidome was associated with the geographical origin. As a res...Continue Reading

References

Mar 5, 2011·Mass Spectrometry Reviews·Miguel HerreroAlejandro Cifuentes
May 7, 2013·International Journal of Molecular Sciences·Mirza HasanuzzamanMasayuki Fujita
May 24, 2014·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Núria AguilarMarta Capellas
May 28, 2015·Scientific Reports·Yasuhiro HigashiKazuki Saito
Sep 15, 2015·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Josep RubertJana Hajslova
Jan 17, 2016·Annual Review of Food Science and Technology·Suzanne D JohanningsmeierClaire M Klevorn
Jul 30, 2016·International Journal of Molecular Sciences·Laura RighettiChiara Dall'Asta

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Citations

Nov 27, 2018·Journal of Agricultural and Food Chemistry·Marina CreydtMarkus Fischer

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Methods Mentioned

BETA
PCA
environmental stress

Software Mentioned

markerView
Analyst
LipidView
SIMCA
SPSS Statistic
FormulaFinder
OPLS
DA
PeakView

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