Abstract

The present study was conducted to determine the content of four mineral elements in honeys originating from different regions of West Georgia. Sodium (Na), Potassium (K), Calcium (Ca), magnesium (Mg), and Ammonium (NH4+) were analyzed by HPLC-Conductivity, column “Cation” (3.9x150mm) solvent 0.1 mM EDTA 3mM HNO3, following the microwave digestion of the honey. High mineral contents were observed in the investigated honeys with K, Na, Ca and Mg being the most abundant elements with mean concentrations in Chestnut honey 5000-7000 ppm, 56-150 ppm, 40-230 ppm, 25-130 ppm, respectively. In Lime (Tilia) honey - 2400-2600 ppm, 30-50 ppm, 160-180 ppm, 45-60 ppm, Acacia honey 300-500 ppm, 35-45 ppm, 85-95 ppm, 15-25 ppm, Field honey -750-930 ppm, 35-45 ppm, 75-130 ppm, 25-35 ppm, Spring polyflora honey - 630-650 ppm, 45-50 ppm, 280-300 ppm, 25-35 ppm, Autumn polyflora Honey – 2500-3000 ppm, 80-100 ppm, 250-300 ppm, 80-100 ppm respectively. The correlation dependence was between the content of cations in the honey and conductivity (Chestnut honey 1.4 µs/cm, Lime (Tilia), honey 0.5 µs/cm, Acacia honey 0.16 µs/cm, Field honey 0.55 µs/cm, Spring polyflora honey 1.2 µs/cm, Autumn polyflora Honey 1.3 µs/cm)

Highlights

  • Honey is a source of carbohydrate, it contains many essential substances necessary for human health, including minerals, the composition of which significantly changes due to the geographical location of the collected honey, its botanical origin and the results of falsification

  • Results and their review In Western Georgia Chestnut Honey is distinguished with potassium content

  • It is interesting to note, that there was established a certain correlation between the total composition of cations and the conductivity in Chestnut Honey

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Summary

Introduction

Honey is a source of carbohydrate, it contains many essential substances necessary for human health, including minerals, the composition of which significantly changes due to the geographical location of the collected honey, its botanical origin and the results of falsification. Special demand in the world market is enjoyed by monopoly honey. Different compounds are used as botanical markers to establish the naturalness of honey. Especially its western part, is historically known for its variety of honey productions. Determination of botanical origin of honey is quite difficult (Uršulin-Trstenjak et al, 2017, Bogdanov S. et al 2007). Numerous studies have recently been carried out to establish chemical indices for determining the botanical origin of honey (Gonzralez-Miret et al, 2014, Gonzalez-Miret et al, 2005) among them there are a lot of studies in which the botanical origin and the mineral content are interconnected (Vanhanen L.P. et al, 2011, Wieczorek et al 2014, Marcelo Enrique Conti et al 2014, Marcelo Enrique Conti et al, 2007, Fernandez-Torres R.et al 2005, Terrab A. et al 2004)

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