Physico-chemical properties, heavy metal content, and microbiological quality of stingless bee, Tetraganula birot (Friese) honey from Laguna and Sorsogon, Philippines
2018
Polintan, E.A. | Sabino, N.G. | Locsin, A.M.E.
The physico-chemical properties of honey gathered from Tetragonula biroi (Friese) meliponaries intended for the production of medical grade honey were determined using standard protocol. The samples were also tested for the presence of heavy metals (mercury, lead, chromium) and common microbial species (Salmonella sp., Vibrio sp., Staphylococcus aureus, E. coli, and mold count). Manuka honey, which is known for its medicinal value was used as control. The average moisture content, glucose, fructose, and sucrose of stingless bee honey were 23, 3.78, 8.36 and 0.65% respectively. The pH level was 3.23. The microbial pathogens and heavy metals detected in all samples were below the allowable limit. The physio-chemical properties of the samples were comparable with Manuka honey.
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