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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Monitoring the Authenticity of Organic Grape Juice via Chemometric Analysis of Elemental Data

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Author(s):
Borges, Endler Marcel [1, 2] ; Volmer, Dietrich A. [3] ; Brandelero, Evandro [1] ; Lafayette Neves Gelinski, Jane Mary [1] ; Gallimberti, Matheus [4] ; Barbosa, Jr., Fernando [4]
Total Authors: 6
Affiliation:
[1] Univ Oeste Santa Catarina, Nucleo Biotecnol, Rua Paese 198, Bairro Univ Bloco K, BR-89560000 Videira, SC - Brazil
[2] Univ Reg Blumenau FURB, Dept Quim, Campus 1, Rua Antonio Veiga 140, BR-89012900 Blumenau, SC - Brazil
[3] Univ Saarland, Inst Bioanalyt Chem, Campus B2-2, D-66123 Saarbrucken - Germany
[4] Univ Sao Paulo, Fac Cincias Farmaceut Ribeiro Preto, Lab Toxicol & Essencialidade Metais, Ave Cafe S-N, BR-1404903 Ribeirao Preto, SP - Brazil
Total Affiliations: 4
Document type: Journal article
Source: FOOD ANALYTICAL METHODS; v. 9, n. 2, p. 362-369, FEB 2016.
Web of Science Citations: 5
Abstract

Elemental determination was carried out on 36 grape juice samples (19 organic and 17 ordinary), with the goal of identifying significant differences between the two types of juice for classification purposes. Inductively coupled plasma-mass spectrometry was used for the determination of 24 elements, Al, As, Ba, Ca, Cd, Ce, Co, Cr, Cu, Fe, La, Mg, Mn, Mo, Na, Ni, P, Pb, Rb, Se, Sn, Ti, V, and Zn. Ba, Ce, La, Mg, P, Pb, Rb, Sn, and Ti concentrations were found to be higher in organic versus ordinary samples, while Na and Va concentrations were higher in ordinary versus organic samples. The remaining investigated elements exhibited statistically equivalent concentration levels in both types of samples. Principal component analysis (PCA) and soft independent modeling of class analogy (SIMCA) statistical techniques of the elemental fingerprints were readily able to discriminate organic from ordinary samples and can be used as alternative methods for adulteration evaluation. (AU)

FAPESP's process: 12/03465-1 - Novel methodology for the analysis of high-molecular weight polycyclic aromatic hydrocarbons in water and particulate matter samples based on Shpol'skii spectroscopy
Grantee:Fernando Barbosa Júnior
Support Opportunities: Regular Research Grants