1H nuclear magnetic resonance spectra of chloroform extracts of honey for chemometric determination of its botanical origin

Journal of Agricultural and Food Chemistry
Elisabetta SchievanoStefano Mammi

Abstract

In this work, we present a new NMR study, coupled with chemometric analysis, on nonvolatile organic honey components. The extraction method is simple and reproducible. The 1H NMR spectra of chloroform extracts acquired with a fast and new pulse sequence were used to characterize and differentiate by chemometric analysis 118 honey samples of four different botanical origins (chestnut, acacia, linden, and polyfloral). The spectra collection, processing, and analysis require only 30 min. The 1H spectrum provides a fingerprint for each honey type, showing many characteristic peaks in all spectral regions. Principal component analysis (PCA) and projection to latent structures by partial least squares-discriminant analysis (PLS-DA) were performed on selected signals of the spectra to discriminate the different botanical types and to identify characteristic metabolites for each honey type. A distinct discrimination among samples was achieved. According to the distance to model criterion, there was no overlap between the four models, which proved to be specific for each honey type. The PLS-DA model obtained has a correlation coefficient R2 of 0.67 and a validation correlation coefficient Q2 of 0.77. The discriminant analysis allowed us...Continue Reading

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Citations

Jul 30, 2011·Journal of Agricultural and Food Chemistry·Elba G AguilarJosé M Camiña
Jan 17, 2012·Journal of Agricultural and Food Chemistry·Masanori KodaMasaru Tanokura
Apr 19, 2012·Journal of Agricultural and Food Chemistry·Roberto ConsonniClelia Cogliati
Jan 31, 2013·Journal of Agricultural and Food Chemistry·Elisabetta SchievanoStefano Mammi
Sep 18, 2012·Progress in Nuclear Magnetic Resonance Spectroscopy·Luisa ManninaStéphane Viel
Oct 27, 2011·Progress in Nuclear Magnetic Resonance Spectroscopy·James S McKenzieAdrian J Charlton
Nov 6, 2015·Cellular & Molecular Biology Letters·Ewa JawieńPiotr Młynarz
Aug 18, 2012·Journal of Food Science·Gastón Lancelle MonferrereJosé Manuel Camiña
May 29, 2013·Journal of the Science of Food and Agriculture·Marta K JamrózIwona Wawer
Mar 12, 2015·Journal of Agricultural and Food Chemistry·Elisabetta SchievanoLuciano Navarini
Apr 19, 2016·Journal of Agricultural and Food Chemistry·Elisabetta SchievanoLucia Piana
Dec 31, 2014·Journal of Agricultural and Food Chemistry·Tingfu LiangMasaru Tanokura
Sep 25, 2016·Food Chemistry·Amna Jabbar SiddiquiAtta-Ur- Rahman
Mar 8, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Emmanuel O OlawodeGarth Cambray
Nov 18, 2018·Magnetic Resonance in Chemistry : MRC·Roberto Consonni, Laura Ruth Cagliani
Feb 17, 2018·Critical Reviews in Food Science and Nutrition·Kai Fan, Min Zhang
Jan 27, 2019·Food Science & Nutrition·Irving O Velázquez RíosMaría I García-Vieyra
Aug 30, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Muhammad Taufiq Atsifa RazaliIntan Safinar Ismail
Jan 1, 2019·Comprehensive Reviews in Food Science and Food Safety·Emmanuel Hatzakis
Sep 1, 2017·Comprehensive Reviews in Food Science and Food Safety·Sónia SoaresIsabel Mafra
Aug 19, 2010·Journal of Agricultural and Food Chemistry·Mena RitotaMassimiliano Valentini
May 26, 2021·Food Chemistry·Elisabetta SchievanoMarco Tessari
Sep 14, 2010·Journal of Agricultural and Food Chemistry·Youngae JungGeum-Sook Hwang
Oct 5, 2017·Journal of Agricultural and Food Chemistry·Shoraku RyuMasaru Tanokura

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