Fast determination of extra-virgin olive oil acidity by voltammetry and Partial Least Squares regression

Analytica Chimica Acta

Volumn 1056, Issue , 2019, Pages 7-15

  Baldo, M Antonietta ^a   Oliveri, Paolo ^b   Fabris, Sabrina ^a   Malegori, Cristina ^b   Daniele, Salvatore ^a  

^a CA' FOSCARI UNIVERSITY OF VENICE   (Italy)

^b UNIVERSITY OF GENOA   (Italy)

Author keywords

Extra virgin olive oils; Free acidity; Partial least squares (PLS) regression; Platinum microelectrodes; Room temperature ionic liquids; Voltammetry

Indexed keywords

ELECTROLYTES; FATTY ACIDS; IONIC LIQUIDS; LEAST SQUARES APPROXIMATIONS; MICROELECTRODES; OLIVE OIL; REGRESSION ANALYSIS; TITRATION;

EXTRA VIRGIN OLIVE OIL; MULTIVARIATE MODELING; MULTIVARIATE REGRESSION; PARTIAL LEAST SQUARE (PLS); PARTIAL LEAST-SQUARES REGRESSION; ROOM TEMPERATURE IONIC LIQUIDS; SUPPORTING ELECTROLYTE; VOLTAMMETRIC MEASUREMENTS;

VOLTAMMETRY;

EXTRA VIRGIN OLIVE OIL; IONIC LIQUID; LINOLEIC ACID; LINOLENIC ACID; OLEIC ACID; PALMITIC ACID; OLIVE OIL;

ACIDITY; ARTICLE; CALIBRATION; CONCENTRATION (PARAMETER); CYCLIC POTENTIOMETRY; ELECTROCHEMICAL ANALYSIS; FATTY ACID ANALYSIS; PARTIAL LEAST SQUARES REGRESSION; PREDICTION; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; REPRODUCIBILITY; ROOM TEMPERATURE; CHEMISTRY; ELECTROCHEMISTRY; FOOD QUALITY; LEAST SQUARE ANALYSIS; MULTIVARIATE ANALYSIS; PH; REGRESSION ANALYSIS; TEMPERATURE; TIME FACTOR;

ELECTROCHEMISTRY; FOOD QUALITY; HYDROGEN-ION CONCENTRATION; IONIC LIQUIDS; LEAST-SQUARES ANALYSIS; MULTIVARIATE ANALYSIS; OLIVE OIL; REGRESSION ANALYSIS; TEMPERATURE; TIME FACTORS;

EID: 85059662252     PISSN: 00032670     EISSN: 18734324     Source Type: Journal    
DOI: 10.1016/j.aca.2018.12.050     Document Type: Article

References (40)

1. European Commission Regulation (ECC) No. 2568/91, Off. J. Eur. Communities L248, 05.09.1991, 1–83.
2. Commission Delegate Regulation (EU) No. 2015/1830, Off. J. Eur. Union L266, 13.10.2015, 9–12.
3. Aparicio, R., Harwood, J., (eds.) Handbook of Olive Oil: Analysis and Properties, 1999, Springer, Berlin.
4. Bajoub, A., Bendini, A., Fernandez-Gutierrez, A., Carrasco-Pancorbo, A., Olive Oil authentication: a comparative analysis of regulatory frameworks with especial emphasis on quality and authenticity indices, and recent analytical techniques developed for their assessment. A review. Crit. Rev. Food Sci. Nutr. 58 (2018), 832–857.
5. Rustan, A.C., Drevon, C.A., Fatty Acids: Structures and Properties, eLS. 2005, Wiley Online Library, 10.1038/npg.els.0003894.
6. Dunnick, J.K., Hailey, J.R., Phenolphthalein exposure causes multiple carcinogenic effects in experimental model systems. Cancer Res. 56 (1996), 4922–4926.
7. Balesteros, M.R., Tavares, M.F.M., Ribeiro, S.J.L., Polachini, F.C., Messaddeq, Y., de Oliveira, M.A.L., Determination of olive oil acidity by CE. Electrophoresis 28 (2007), 3731–3736.
8. Baldo, M.A., Oliveri, P., Simonetti, R., Daniele, S., A novel electroanalytical approach based on the use of a room temperature ionic liquid for the determination of olive oil acidity. Talanta 161 (2016), 881–887.
9. Oliveri, P., Baldo, M.A., Daniele, S., Forina, M., Development of a voltammetric electronic tongue for discrimination of edible oils. Anal. Bioanal. Chem. 395 (2009), 1135–1143.
10. Oliveri, P., Casale, M., Casolino, M.C., Baldo, M.A., Grifi, F.N., Forina, M., Comparison between classical and innovative class-modelling techniques for the characterization of a PDO olive oil. Anal. Bioanal. Chem. 399 (2011), 2105–2113.
11. Baldo, M.A., Oliveri, P., Simonetti, R., Daniele, S., Voltammetric behaviour of ferrocene in olive oils mixed with a phosphonium-based ionic liquid. J. Electroanal. Chem. 731 (2014), 43–48.
12. Wold, S., Sjöström, M., Eriksson, L., PLS-regression: a basic tool of chemometrics. Chemometr. Intell. Lab. Syst. 58 (2001), 109–130.
13. Oliveri, P., Casolino, M.C., Forina, M., Chemometric brains for artificial tongues. Adv. Food Nutr. Res. 61 (2010), 57–117.
14. Rudnitskaya, A., Kirsanov, D., Blinova, Y., Legin, E., Seleznev, B., Clapham, D., Ives, R.S., Saunders, K.A., Legin, A., Assessment of bitter taste of pharmaceuticals with multisensor system employing 3 way PLS regression. Anal. Chim. Acta 770 (2013), 45–52.
15. Rudnitskaya, A., Schmidtke, L.M., Reis, A., Domingues, M.R.M., Delgadillo, I., Debus, B., Kirsanov, D., Legin, A., Measurements of the effects of wine maceration with oak chips using an electronic tongue. Food Chem. 229 (2017), 20–27.
16. Wightman, R.M., Wipf, D.O., Voltammetry at ultramicroelectrodes. Bard, A.J., (eds.) Electroanalytical Chemistry, vol. 15, 1989, Marcel Dekker, New York, 267–353 Ch.6.
17. Montenegro, M.I., Queiros, M.I., Daschbach, J.L., Microelectrodes: Theory and Applications. 1991, Kluwer Academic Publishers, Dordrecht.
18. Daniele, S., Baldo, M.A., Bragato, C., Recent developments in stripping analysis on microelectrodes. Curr. Anal. Chem. 4 (2008), 215–228.
19. Gomex-Caravaca, A.M., Maggio, R.M., Cerretani, L., Chemometric applications to assess quality and critical parameters of virgin and extra-virgin olive oil. A review. Anal. Chim. Acta 913 (2016), 1–21.
20. Apetrei, I.M., Apetrei, C., Voltammetric e-tongue for the quantification of total polyphenol in olive oils. Food Res. Int. 54 (2013), 2075–2082.
21. Rodriguez-Mendez, M.L., Apetrei, C., De Saia, J.A., Evaluation of the polyphenol content of extra virgin olive oils using an array of voltammetric sensors. Electrochim. Acta 53 (2008), 5867–5872.
22. Tsopelas, F., Konstantopoulos, D., Kakoulidou, A.T., Voltammetric fingerprinting of oils and its combination with chemometrics for the detection of extra virgin olive oil adulteration. Anal. Chim. Acta 1015 (2018), 8–19.
23. Javaland, A.R., Goicoechea, H.C., Rutledge, D.N., Applications and challenges of multi-way calibration in electrochemical analysis. TrAC Trends Anal. Chem. (Reference Ed.) 87 (2017), 32–48.
24. Apetrei, I.M., Apetrei, C., Detection of virgin olive oil adulteration using a voltammetric e-tongue. Comput. Electron. Agric. 108 (2014), 148–154.
25. Nunes, C.A., Vibrational spectroscopy and chemometrics to assess authenticity, adulteration and intrinsic quality parameters of edible oils and fats. Food Res. Int. 60 (2014), 255–261.
26. Souto, R.M., Gonzlez-Garca, Y., Battistel, D., Daniele, S., In situ scanning electrochemical microscopy (SECM) detection of metal dissolution during zinc corrosion by means of mercury sphere-cap microelectrode tips. Chem. Eur J. 18 (2012), 230–236.
27. Marengo, E., Todeschini, R., A fast method for the calculation of partial least squares coefficients. Chemometr. Intell. Lab. Syst. 12 (1991), 117–120.
28. Evans, R.G., Klymenco, O.V., Saddoughi, S.A., Hardacre, C., Compton, R.G., Electroreduction of oxygen in a series of room temperature ionic liquids composed of group 15-centered cations and anions. J. Phys. Chem. B 108 (2004), 7878–7886.
29. Daniele, S., Lavagnini, I., Baldo, M.A., Magno, F., Voltammetry for reduction of hydrogen ions from mixtures of mono- and polyprotic acids at platinum microelectrodes. Anal. Chem. 70 (1998), 285–294.
30. Treimer, S.E., Evans, D.H., Electrochemical reduction of acids in dimethyl sulfoxide. CE mechanisms and beyond. J. Electroanal. Chem. 449 (1998), 39–48.
31. Silvester, D.S., He, W., Aldous, L., Hardacre, C., Compton, R.G., Electrochemical reduction of benzoic acid and substituted benzoic acids in some room temperature ionic liquids. J. Phys. Chem. C 112 (2008), 12966–12973.
32. Meng, Y., Norman, S., Hardacre, C., Compton, R.G., The electroreduction of benzoic acid: voltammetric observation of adsorbed hydrogen at a platinum microelectrode in room temperature ionic liquids. Phys. Chem. Chem. Phys. 15 (2013), 2031–2036.
33. L Bentley, C., Bond, A.M., Hollenkamp, A.F., Mahon, P.J., Zhang, J., Electrochemical proton reduction and equilibrium acidity (pKa) in aprotic ionic liquids: phenols, carboxylic acids and sulphonic acids. J. Phys. Chem. C 119 (2015), 21840–21851.
34. René, A., Hauchard, D., Lagrost, C., Hapiot, P., Superoxide protonation by weak acids in imidazolium based ionic liquids. J. Phys. Chem. B 113 (2009), 2826–2831.
35. Pozo-Gonzalo, C., Virgilio, C., Yan, Y., Howlett, P.C., Byrne, N., MacFarlane, D.R., Forsyth, M., Enhanced performance of phosphonium based ionic liquids towards 4 electrons oxygen reduction reaction upon addition of a weak proton source. Electrochem. Commun. 38 (2014), 24–27.
36. Switzer, E.E., Zeller, R., Chen, Q., Sieradzki, K., Buttry, D.A., Friesen, C., Oxygen reduction reaction in ionic liquids: the addition of protic species. J. Phys. Chem. C 117 (2013), 8683–8690.
37. Richard, D., Kefi, K., Barbe, U., Bausero, P., Visioli, F., Polyunsaturated fatty acids as antioxidants. Pharmacol. Res. 57 (2008), 451–455.
38. a of long-chain fatty acids. J. Colloid Interface Sci. 256 (2002), 201–207.
39. Serjeant, E.P., Dempsey, B., Ionization Constants of Organic Acids in Aqueous Solution, International Union of Pure and Applied Chemistry (IUPAC), IUPAC Chemical Data Series N° 23, New York. 1979, Pergamon Press, Inc., New York.
40. Daniele, S., Bragato, C., Baldo, M.A., A steady-state voltammetric procedure for the determination of hydrogen ions and total acid concentration in mixtures of a strong and a weak monoprotic acid. Electrochim. Acta 52 (2006), 54–61.