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Abstract
The aim of this work was to evaluate the quality of 16 honey samples from Castelo Branco region (Portugal). Twelve are monofloral from Calluna vulgaris, Erica, Lavandula, Echium and Campanula. The mean values obtained for physicochemical parameters were: 3.82 pH; 16.80% moisture; 81.6°Brix; 0.21% ash; 357.6μScm-1 electrical conductivity; 33.7meq/kg free acidity; 5.7meq/kg lactonic acidity; 39.3meq/kg total acidity; 9.11mg/kg HMF; 21.3 IN invertase and 9.0° Gothe for diastase activities. The results indicate a good quality, adequate processing, good maturity and freshness of honey. Additionally, the determination of mineral contents revealed that the K was the major element. Mean values obtained were (mg/kg): Ca, 28.36; K, 701.87; Mg, 74.00; Na, 31.04; Fe, 097; Cu, 0.65; Zn, 1.23; Mn, 2.78 and P, 48.80. Among the overall determined parameters, CB2 stands out by its high values in minerals, pH, moisture, ash, electrical conductivity and enzyme activity.
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