Caracterización físico-química de las mieles producidas en la provincia del Chaco (Argentina)
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Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias
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El objetivo del presente estudio fue
analizar las propiedades físico-químicas de
las mieles producidas en la provincia del
Chaco, como aporte a la caracterización
de las mismas. Fueron analizados el color,
humedad, conductividad eléctrica, acidez total
y pH en 189 muestras de miel. La actividad
diastásica se determinó en 64 muestras
y HMF en 16 muestras. Las muestras se
extrajeron por centrifugación durante tres
temporadas apícolas: 2005-2006, 2006-2007
y 2007-2008. Los parámetros fisicoquímicos
están dentro de los rangos aceptables
(color: 22-150 mm Pfund, humedad: 15,4-20%,
acidez total: 8-68 meq kg- 1, pH: 3,2-6,4, CE:
0,189- 1,347 mScm1, actividad diastásica:
10-30 %, hidroximetilfulfural: 2,3- 24,5). Las
propiedades fisicoquímicas estudiadas se
ajustan a los parámetros normales y los
valores obtenidos reúnen las especificaciones
internacionales para su comercialización. Se
observaron relaciones positivas significativas
entre el color y la conductividad, la humedad
y la acidez, conductividad, con acidez y pH,
humedad y acidez. Relaciones negativas
significativas fueron observadas entre pH
con la humedad y la acidez. Con ANOVA se
observaron diferencias significativas en el color,
conductividad eléctrica, humedad y pH entre
mieles producidas en áreas agrícolas y mieles
producidas en las zonas menos perturbadas
donde predominan los bosques nativos.
The aim of this study was to analyze the physico-chemical properties of honey produced in the province of Chaco, as a contribution to the characterization of these honeys. Color, moisture, electrical conductivity, total acidity and pH in a total of 189 honey samples were analyzed. Diastase content was determined in 64 samples and hydroxymethylfurfural activity was tested in 16 samples. Samples were extracted by centrifuging during three consecutive beekeeping season: 2005- 2006, 2006- 2007 and 2007-2008. The physicochemical parameters were found to be within acceptable ranges (color: 22-150 mm Pfund, moisture: 15.4-20%, total acidity: 8-68 meq kg−1, pH: 3.2-6.4, EC: 0.189-1.347 mS cm−1, diastase: 10-30% and HMF: 2.3 - 24.5). Physicochemical properties studied adjust to normal parameters and the obtained values meet all major international specifications for commerce. Positive significant relationships were found between color and conductivity, moisture and acidity, conductivity with acidity and pH, and moisture with acidity. Negative significant relationships were found between pH with moisture and acidity. ANOVA shows significant differences in color, electrical conductivity, moisture, and pH between honeys produced in agricultural areas where crops predominate and honeys produced in less disrupted areas where native forests prevail.
The aim of this study was to analyze the physico-chemical properties of honey produced in the province of Chaco, as a contribution to the characterization of these honeys. Color, moisture, electrical conductivity, total acidity and pH in a total of 189 honey samples were analyzed. Diastase content was determined in 64 samples and hydroxymethylfurfural activity was tested in 16 samples. Samples were extracted by centrifuging during three consecutive beekeeping season: 2005- 2006, 2006- 2007 and 2007-2008. The physicochemical parameters were found to be within acceptable ranges (color: 22-150 mm Pfund, moisture: 15.4-20%, total acidity: 8-68 meq kg−1, pH: 3.2-6.4, EC: 0.189-1.347 mS cm−1, diastase: 10-30% and HMF: 2.3 - 24.5). Physicochemical properties studied adjust to normal parameters and the obtained values meet all major international specifications for commerce. Positive significant relationships were found between color and conductivity, moisture and acidity, conductivity with acidity and pH, and moisture with acidity. Negative significant relationships were found between pH with moisture and acidity. ANOVA shows significant differences in color, electrical conductivity, moisture, and pH between honeys produced in agricultural areas where crops predominate and honeys produced in less disrupted areas where native forests prevail.
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Salgado Laurenti, Cristina Renee y Maidana, José Francisco, 2014. Caracterización físico-química de las mieles producidas en la provincia del Chaco (Argentina). Revista de la Facultad de Ciencias Agrarias. Mendoza: Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias, vol. 46, no. 2, p. 191-201. ISSN 1853-8665.
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