Color y conductividad eléctrica de las mieles producidas por Apis mellifera en Uruguay

Santos, Estela Ivon; Meerhoff, Erika; Rosa, Eloisa García Da; Ferreira, José Carlos de Sales; Raucher, Mario; Quintana, Walter; Maratta, Ariel; González, Carlos; Mancebo, Yanina

doi:10.26461/16.08

INNOTEC

2018

DOI: 10.26461/16.08

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Color y conductividad eléctrica de las mieles producidas por Apis mellifera en Uruguay

Estela Ivon Santos¹,

Erika Meerhoff²,

Eloisa García Da Rosa³

et al.

Abstract: La apicultura está en desarrollo en Uruguay, donde más del 90% de la producción es vendida para exportación. El objetivo de este trabajo fue investigar la relación entre el origen botánico de la miel y la conductividad. La conductividad es una medida indirecta del contenido de cenizas y desde un punto de vista nutricional es un indicador de la composición mineral de la miel, importante suplemento de la dieta del hombre. Se estudiaron cuadros de colmenas de diferentes áreas geográficas de Uruguay. La miel se ex… Show more

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Cited by 4 publications

References 9 publications

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Physicochemical, Rheological, and Thermal Properties of Pot-Honey from the Stingless Bee Melipona beecheii

Yah-Rosales,

Chel-Guerrero,

Sacramento-Rivero

et al. 2023

Ing. Inv.

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The availability of data on physicochemical properties is crucial to direct efforts towards identifying the quality standards of the Neotropical stingless bee Melipona beecheii’s pot-honey. In this vein, other properties apart from those typically considered for Apis mellifera could also be relevant in characterizing the honey of this stingless bee. The physicochemical, rheological, and thermal properties of pot-honey from Melipona beecheii (Yucatán, México) were analyzed. Samples were collected from two annual harvests (2018 and 2019) and from a rural and an urban location. Free acidity, moisture, total reducing sugars, diastase activity, hydroxymethylfurfural content, and electrical conductivity were measured using standard techniques. The rheological and thermal behaviors were determined via Couette rheometry and differential scanning calorimetry, respectively. The physicochemical properties of Melipona beecheii pot-honey can be incorporated into a general quality specification for honey of the Neotropical Melipona genus, or as the basis for a regional (Mesoamerican) standardization of honey from this particular bee species. The rheological analyses indicated the Newtonian behavior of Melipona honey in the full studied range of 10-40 °C (7,545-244 cp), showing dynamic viscosities significantly lower than those expected for Apis mellifera honey, primarily due to its high water content. Two main endothermic transitions were detected via differential scanning calorimetry: at 96-162 °C and at 169-230 °C. The Apis mellifera honey samples showed the same thermal transitions but differed from Melipona beecheii honey in their peak temperatures and enthalpies.

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Physicochemical, Rheological, and Thermal Properties of Pot-Honey from the Stingless Bee Melipona beecheii

Yah-Rosales,

Chel-Guerrero,

Sacramento-Rivero

et al. 2023

Ing. Inv.

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Caracterização de méis de duas paisagens da região nordeste do Uruguai

Cracco,

Moreni,

Cabrera

et al. 2022

Agrocienc Urug

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The world honey market values organic and natural honeys. Forest activity in the northeast of Uruguay, free of agricultural activities and with the presence of a protected area, is an opportunity for local beekeepers and transhumant people. The characterization of these honeys through melissopalynology and physical-chemical parameters could generate new valorization strategies. The objective of this study was to characterize honeys (n=27) from the protected area and from afforestation with Eucalyptus grandis under two production systems (transhumance and non-transhumance beekeepers). Botanical composition was analyzed by palynology, mineral profile, moisture, conductivity, pH, color (CIEL*a*b*), sugar profile and presence of glyphosate. The palynological analysis determined two types of honeys (monofloral from Eucalyptus sp. in the forestation and honeydew honeys with the presence of diverse pollens from native species in the protected area. No significant differences (p<0.05) were found between the honeys from eucalyptus for both beekeeping production systems in all the parameters evaluated. The honeydew honeys have an unknown origin and were statistically different from the previous ones. The average values of pH and conductivity for these honeys were 6.37 ± 0.14 and 1113 ± 25.6 µS/cm respectively. The concentration of minerals K (2536.1 ± 382.1 mg/kg honey) and Fe (4.15 ± 0.27 mg/kg honey) was higher than those found in eucalyptus honey. The percentages of Isomaltulose (1.18 ± 0.62) and Trehalose (0.23 ± 0.05) sugars were higher in the honeys from the protected area while Maltose (0.46 ± 0.07) was lower. Glyphosate residues were not detected in all the samples analyzed. Should insist on good management practices carried out by beekeepers when they arrive from agricultural areas (transhumance beekeepers). Research should continue to determine the origin of the myelates in the protected area. Although the volumes produced are smaller, their valuation could increase due to the originality of these honeys. The northeast region of Uruguay has the potential to produce quality honey properly identified by geographic and botanical origin.

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Estudio de la diversidad de las mieles de la flora autóctona uruguaya

Godoy,

Bonini,

Fariña

et al. 2024

Agrocienc Urug

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This work proposes the revaluation of honeys from the native flora of Uruguay. The results obtained in the pollen and physicochemical analysis allow us to conclude that it is possible to characterize and distinguish monofloral honeys produced from Uruguayan native flora, and that they also present interesting properties that make them stand out from the rest of the honeys. This could be a starting point for the exploitation of this market of little-known honeys with great nutritional potential.

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Color y conductividad eléctrica de las mieles producidas por Apis mellifera en Uruguay

Cited by 4 publications

References 9 publications

Physicochemical, Rheological, and Thermal Properties of Pot-Honey from the Stingless Bee Melipona beecheii

Physicochemical, Rheological, and Thermal Properties of Pot-Honey from the Stingless Bee Melipona beecheii

Caracterização de méis de duas paisagens da região nordeste do Uruguai

Estudio de la diversidad de las mieles de la flora autóctona uruguaya

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