Some physicochemical properties of Egyptian Sidr bee honey in Upper Egypt

Document Type : Research and Review Papers

Authors

1 Plant protection Department Faculty of Agriculture Sohag University Sohag 82524 Egypt

2 Bee Research Department Plant Protection Research Institute Agriculture Research Center Assiut Egypt

Abstract

Forty-five samples of Egyptian Sidr bee honey were collected 
from three regions representing the governorates of Luxor, Qena 
and Sohag in Upper Egypt, during November 2021. Fifteen 
samples from every Governorate. (five honey samples/ apiary). 
Honey samples were collected at the rate of 1000 g for this study. 
All honey samples were provided by professional beekeepers. 
Evaluation of nineteen physicochemical properties: color, 
electrical conductivity, density, viscosity, moisture, pH, free acid, 
lactone, total acid, glucose, fructose, sucrose, maltose, total 
sugar, glucose/fructose ratio, glucose/water ratio, 
Hydroxymethylfurfural (HMF), Diastase and Invertase Index. 
The results showed significant differences in moisture, acidity 
(PH, free acid, lactic acid and total acidity), fructose and glucose, 
percentage content in this study between Luxor, Qena and Sohag 
Governorates. The mean hydroxymethylfurfural content was very 
low in all Sidr honey samples under study. Invertase activity 
ranged from 202.69 to 249.85 U/kg. with an overall mean of 
225.44± 50.238 unit/kg. honey, diastase activity ranged from 
26.59 to 34.19 in both units. With an overall average of 30.41± 
10.655 units in both scales

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