Pattern of pH and electrical conductivity upon honey dilution as a complementary tool for discriminating geographical origin of honeys

Seven physicochemical parameters (water content, ash, water activity, free, lactone and total acidity, pH and electrical conductivity) were analyzed in 19 nectar honeys of different floral origin and from several regions of Argentina. In addition, the pattern of electrical conductivity and pH upon h...

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Autor principal: Acquarone, C.
Otros Autores: Buera, P., Elizalde, B.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2007
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040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a FOCHD 
100 1 |a Acquarone, C. 
245 1 0 |a Pattern of pH and electrical conductivity upon honey dilution as a complementary tool for discriminating geographical origin of honeys 
260 |c 2007 
270 1 0 |m Elizalde, B.; Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina; email: betty@di.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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520 3 |a Seven physicochemical parameters (water content, ash, water activity, free, lactone and total acidity, pH and electrical conductivity) were analyzed in 19 nectar honeys of different floral origin and from several regions of Argentina. In addition, the pattern of electrical conductivity and pH upon honey dilution were also studied with increasing honey concentration, the pH values decreased exponentially. The dependence of specific electrical conductivity (κ) on honey concentration was characterized by a maximum at a κ value (κmax) corresponding to a dry solids of honey concentration of 30-35% (w/w). For a given geographical region, ash and acidity values were useful for discriminating honeys of different floral origins. The most adequate parameters for discriminating honeys of different geographical origin were those which described the patterns of pH and electrical conductivity with changes of honey concentration. © 2006 Elsevier Ltd. All rights reserved.  |l eng 
536 |a Detalles de la financiación: International Foundation for Science 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica, BID-802/OC – AR, PICT 06-5066 
536 |a Detalles de la financiación: Universidad de Buenos Aires, EX107 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas, PIP 2734 
536 |a Detalles de la financiación: The authors acknowledge financial support from Universidad de Buenos Aires (Project EX107), CONICET (PIP 2734), Agencia Nacional de Promoción Científica y Tecnológica (PICT 06-5066, Préstamo BID-802/OC – AR), and from the International Foundation for Science (Sweden). Provision of samples and certified origin analysis from Gobierno de la Provincia del Chaco, Argentina is also acknowledged. 
593 |a Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina 
690 1 0 |a BOTANIC ORIGIN 
690 1 0 |a ELECTRICAL CONDUCTIVITY 
690 1 0 |a GEOGRAPHIC ORIGIN 
690 1 0 |a MINERAL CONTENT 
690 1 0 |a SWEETENING AGENT 
690 1 0 |a ACIDITY 
690 1 0 |a ARTICLE 
690 1 0 |a DATA ANALYSIS 
690 1 0 |a DILUTION 
690 1 0 |a ELECTRIC CONDUCTIVITY 
690 1 0 |a FOOD ANALYSIS 
690 1 0 |a GEOGRAPHICAL VARIATION (SPECIES) 
690 1 0 |a HONEY 
690 1 0 |a PATTERN RECOGNITION 
690 1 0 |a WATER CONTENT 
650 1 7 |2 spines  |a PH 
650 1 7 |2 spines  |a PH 
651 4 |a ARGENTINA 
700 1 |a Buera, P. 
700 1 |a Elizalde, B. 
773 0 |d 2007  |g v. 101  |h pp. 695-703  |k n. 2  |p Food Chem.  |x 03088146  |w (AR-BaUEN)CENRE-312  |t Food Chemistry 
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