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vol. 17, nr. 2 (2011)
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Study of correlation between electrical conductivity and ash content in some bee honeys
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Ewa Majewska, Jolanta Kowalska
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Department of Food Sciences, Faculty of Food Quality Control, Warsaw University of Life Sciences, ul. Nowoursynowska 166, 02-787 Warszawa |
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vol. 17 (2011), nr. 2,
pp. 369-376
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abstract:
The aim of this study was to determine the relationship between ash content and electrical conductivity of different types of honey. The study used 49 samples of different varieties of bee honey: acacia (2), buckwheat (4), lime (3), rape (6), multifloral (13), heather (2), honey-dew (3), honeydew (5), raspberry (1), dandelion (1), eucalyptus (1), chestnut (1), lavender (1), orange (1), rosemary (1) and silk (1). Honey samples were purchased in retail stores in Warsaw or obtained directly from a beekeeper. Ash content in the analysed samples ranged from 0.03% to 0.99%, while the conductivity varied from 0.10 mS cm-1 to 1.52 mS cm-1. The results allow for the conclusion that the close correlation between conductivity and ash content suggests equivalence of both methods to determine the amount of minerals, which permits a significant reduction of the time of analysis using con-ductometric analysis to determine the ash content.
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keywords:
honey, electric conductivity, ash content
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original in:
Polish
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