Srpski arhiv za celokupno lekarstvo 2011 Volume 139, Issue 9-10, Pages: 610-618
https://doi.org/10.2298/SARH1110610C
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Effect of chromium enriched fermentation product of barley and brewer’s yeast and its combination with rosiglitazone on experimentally induced hyperglycaemia in mice
Cekić Vlada (Medicinsko odeljenje, Institut „Hemofarm”, Hemofarm AD, Vršac)
Vasović Velibor (Zavod za farmakologiju, toksikologiju i kliničku farmakologiju, Medicinski fakultet, Novi Sad)
Jakovljević Vida (Zavod za farmakologiju, toksikologiju i kliničku farmakologiju, Medicinski fakultet, Novi Sad)
Lalošević Dušan (Katedra za histologiju i embriologiju, Medicinski fakultet, Novi Sad)
Čapo Ivan (Katedra za histologiju i embriologiju, Medicinski fakultet, Novi Sad)
Mikov Momir (Zavod za farmakologiju, toksikologiju i kliničku farmakologiju, Medicinski fakultet, Novi Sad)
Sabo Ana (Zavod za farmakologiju, toksikologiju i kliničku farmakologiju, Medicinski fakultet, Novi Sad)
Introduction. In the recent years, herbal preparations have been more used to
treat diabetes. Dietetic supplement based on barley and beer yeast enriched
with chromium (BBCr) is registered in Serbia as a supplement in the treatment
of type 2 diabetes. Objective. To investigate the effect of the preparation
based on barley and brewer’s yeast with chromium (BBCr), rosiglitazone (R)
and their combination (BBCr+R) on fasting glycaemia and glycaemia in mice
after glucose, adrenalin and alloxan application. Methods. The animals were
divided into three groups: glucose 500 mg/kg (I); adrenalin 0.2 mg/kg (II);
and alloxan 100 mg/kg (III) and into subgroups according to the substance
they received (BBCr: 750 mg/kg, R: 0.75 mg/kg and BBCr+R). Each animal was
its own control in respect of glycaemia before and after the treatment with
test substances, except for group III which contained a placebo subgroup.
Results. BBCr caused a significant decrease of fasting glycaemia and
significant reduction of glycaemia after glucose load compared to the values
before treatment (7.4±0.6 mmol/l vs 9.2±0.6 mmol/l; p=0.01). R and BBCr+R
significantly decreased glycaemia after adrenalin load (R: 8.6±1.8 mmol/l vs
15.4±3.2 mmol/l; p=0.004; BBCr+R: 9.6±2.4 mmol/l vs 15.0±4.4 mmol/l; p=0.04).
After alloxan application the glycaemia was significantly lower in the
subgroups treated with BBCr, R and BBCr+R compared to placebo subgroup
(10.1±8.0 mmol/l vs 6.8±2.7 mmol/l vs 13.5±9.7 mmol/l vs 24.5±4.7 mmol/l;
p=0.001). Conclusion. Pretreatment with BBCr caused a significant reduction
of fasting glycaemia and glycaemia after glucose load. Rosiglitazone and
BBCr+R caused a significant reduction of glycaemia after adrenalin load.
Pretreatment with BBCr, R and BBCr+R prevented the onset of experimental
diabetes caused by alloxan, which was confirmed by histological analysis of
pancreas tissue.
Keywords: barley and brewer’s yeast extract, rosiglitazone, alloxan, diabetes mellitus, pancreas, histology
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