BackgroundDiabetes is a global, growing and costly public health problem. In the literature, there are conflicting reports on the effect of consumption of bee honey on diabetes. We assessed the possible effect of a commercially available bee honey (given orally by gavage at doses of 1 g/kg/day for 4 weeks) on the blood concentrations of glucose, insulin and leptin and body weight of rats with streptozotocin-induced diabetes.MethodsThirty-six rats were allocated randomly into six groups equally and treated for 4 weeks as follows: Group.1: non-diabetic rats given distilled water, group.2: non-diabetic rats given honey (1 g/kg), group.3: Diabetic rats given distilled water, group.4: Diabetic rats given honey, group.5: Diabetic rats given insulin (10 IU/kg), and group.6: Diabetic rats given combination of insulin (10 IU/kg) with honey (1 g/kg). The body weight, blood glucose, insulin and leptin concentrations of each rat were measured.ResultsHoney treatment did not significantly affect the glucose, leptin and insulin concentrations of diabetic rats. It did not significantly affect the excessive water intake or urinary output in diabetic rats when compared to the insulin-treated groups. Neither honey nor insulin improved body weight in diabetic rats.ConclusionContrary to the reports of a salutary effect of honey in diabetic humans and rodents, our results showed that consumption of honey caused no significant changes in body weight, or glucose and insulin concentrations. However, further studies with different doses and durations of treatment are warranted.
Information about the safety of bottled drinking water in Oman is lacking. Therefore, we aimed to compare the chemical composition (as labelled by manufacturers) of 17 local and imported brands of bottled drinking water sold in Oman, and compare them with WHO and USEPA standards. Seventeen brands of bottled drinking water were purchased from local stores in Muscat, Oman. The chemical composition of those brands was recorded from the labels, and compared with WHO and USEPA standards. The results showed that the pH of the bottled water of all the brands was within the normal range prescribed by both WHO and USEPA. Total dissolved solids, hardness, sodium, chloride and nitrate were less than the primary or secondary (aesthetic) maximum limits set by WHO and/or USEPA. Fluoride levels were not reported in 53% of the brands and were less than recommended limits in the remaining brands. Further studies are warranted to analyze water samples of those brands and compare them with the labels.
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