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When meteorological or agroecological factors similarly affect different regions, the origin identification is a challenging task. This study demonstrated the use of a potentiometric electronic tongue coupled with linear discriminant analysis to discriminate the geographical origin of monovarietal Tunisian olive oil produced from local cv Chemlali (Kairouan, Sidi Bouzid or Sfax regions) and cv Sahli (Kairouan, Mahdia or Sousse regions). The potentiometric fingerprints of 12 or eight lipid sensors (for Chemlali and Sahli, respectively), selected using a simulated annealing meta\u2010heuristic algorithm, allowed the correct prediction (repeated K\u2010fold cross\u2010validation) of the geographic production region with sensitivities of 92 \u00b1 7% (Chemlali) and 97 \u00b1 8% (Sahli). It was also confirmed the electronic tongue capability to classify Tunisian olive oil according to olive cultivar or quality grade. The results indicated the possible use of potentiometric fingerprints as a promising innovative strategy for olive oil analysis allowing assessing geographical origin, olive cultivar and quality grade, which are key factors determining olive oil price and consumers\u2019 preference.<\/jats:p>","DOI":"10.1007\/s11746-017-3051-6","type":"journal-article","created":{"date-parts":[[2017,10,13]],"date-time":"2017-10-13T01:24:08Z","timestamp":1507857848000},"page":"1417-1429","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Discrimination of Olive Oil by Cultivar, Geographical Origin and Quality Using Potentiometric Electronic Tongue Fingerprints"],"prefix":"10.1002","volume":"94","author":[{"given":"Fatma","family":"Souayah","sequence":"first","affiliation":[{"name":"Escola Superior Agr\u00e1ria, Instituto Polit\u00e9cnico de Bragan\u00e7a Campus Santa Apol\u00f3nia Bragan\u00e7a 5300\u2010253 Portugal"},{"name":"Laboratoire Materiaux, Mol\u00e9cules et Applications (LMMA) Institut Pr\u00e9paratoire aux Etudes Scientifiques et Techniques (IPEST) BP 51 La Marsa 2070 Tunisia"}]},{"given":"Nuno","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Centro de Iinvestiga\u00e7\u00e3o de Montanha (CIMO), ESA Instituto Polit\u00e9cnico de Bragan\u00e7a Campus Santa Apol\u00f3nia Bragan\u00e7a 5300\u2010253 Portugal"},{"name":"Departamento de Ingenier\u00eda Agr\u00e1ria Universidad de L\u00e9on Av. Portugal, n\u00ba 41 L\u00e9on 24071 Spain"}]},{"given":"Ana C. A.","family":"Veloso","sequence":"additional","affiliation":[{"name":"Instituto Polit\u00e9cnico de Coimbra, ISEC, DEQB Rua Pedro Nunes, Quinta da Nora Coimbra 3030\u2010199 Portugal"},{"name":"CEB\u2010Centre of Biological Engineering University of Minho Campus de Gualtar Braga 4710\u2010057 Portugal"}]},{"given":"Lu\u00eds G.","family":"Dias","sequence":"additional","affiliation":[{"name":"Escola Superior Agr\u00e1ria, Instituto Polit\u00e9cnico de Bragan\u00e7a Campus Santa Apol\u00f3nia Bragan\u00e7a 5300\u2010253 Portugal"},{"name":"CQ\u2010VR, Centro de Qu\u00edmica\u2010Vila Real UTAD Apartado 1013 Vila Real 5001\u2010801 Portugal"}]},{"given":"Jos\u00e9 A.","family":"Pereira","sequence":"additional","affiliation":[{"name":"Centro de Iinvestiga\u00e7\u00e3o de Montanha (CIMO), ESA Instituto Polit\u00e9cnico de Bragan\u00e7a Campus Santa Apol\u00f3nia Bragan\u00e7a 5300\u2010253 Portugal"}]},{"given":"Souheib","family":"Oueslati","sequence":"additional","affiliation":[{"name":"Laboratoire Materiaux, Mol\u00e9cules et Applications (LMMA) Institut Pr\u00e9paratoire aux Etudes Scientifiques et Techniques (IPEST) BP 51 La Marsa 2070 Tunisia"}]},{"given":"Ant\u00f3nio M.","family":"Peres","sequence":"additional","affiliation":[{"name":"Laboratory of Separation and Reaction Engineering\u2013Laboratory of Catalysis and Materials (LSRE\u2013LCM), ESA Instituto Polit\u00e9cnico de Bragan\u00e7a Campus Santa Apol\u00f3nia Bragan\u00e7a 5300\u2010253 Portugal"}]}],"member":"311","published-online":{"date-parts":[[2017,10,13]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"1","article-title":"Commision Regulation of 24 January 2011 amending Regulation No 2568\/91\/EEC on the characteristics of olive oil and olive pomace oil and on the relevant methods of analysis","volume":"23","year":"2011","journal-title":"Off J Eur Union"},{"key":"e_1_2_7_3_1","first-page":"31","article-title":"Commission implementing regulation of 16 December 2013 amending Regulation No 2568\/91\/EEC on the characteristics of olive oil and olive\u2010residue oil and on the relevant methods of analysis","volume":"338","year":"2013","journal-title":"Off J Eur Union"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejlt.201600065"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foodchem.2016.07.135"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf5062265"},{"key":"e_1_2_7_7_1","first-page":"14","article-title":"Commision implementing regulation of 13 December 2013 amending Implementing Regulation (EU) No 29\/2012 on marketing standards for olive oil","volume":"335","author":"No EU","year":"2013","journal-title":"Off J Eur Union"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9673(00)00355-1"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0308-8146(03)00273-5"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf001291y"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf902814s"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foodchem.2009.04.091"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/jrs.2891"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf001408i"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf030232s"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aca.2006.03.035"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-2670(00)01383-0"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.proeng.2011.12.280"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foodres.2013.09.036"},{"key":"e_1_2_7_20_1","first-page":"534","article-title":"Characterization and classification of different tunisian geographical olive oils using voltammetric electronic tongue","volume":"7","author":"Mabrouk S","year":"2015","journal-title":"J Food Process Technol"},{"key":"e_1_2_7_21_1","unstructured":"IOC(2014)International Olive Council: IOC Mario Solinas quality award\u2014Rules of the International competition for extra virgin olive oils. 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