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Objective To evaluate the antihyperglycemic activities of various fractions from theresidues of Blumea balsamifera(BB),and to properly utilize the waste resource.MethodsThe antihyperglycemic activities were evaluated by the suppression on serum glucose level in vivo andα-glucosidase inhibition assay in vitro.The high-,mid-,and low-dose(1,0.5,and 0.25 g/kg of the herb)fractions were ig given to mice for 8 d.The serum glucose was monitored at 1 and 12 h after feeding.Results The fasting and postprandial serum glucose levels of mice treated with high-dose petroleum ether fraction,ethyl acetate fraction,butyl alcohol fraction,methanol fraction,and water extract from BB were 4.45,4.39,4.43,4.15,3.74 mmol/L and 6.98,6.23,6.45,6.26,5.88 mmol/L,respectively,while those in vehicle control group were 5.63 and 7.50 mmol/L.There are four different inhibiting manners by the results ofα-glucosidase inhibition assay.Conclusion The residues of BB have anti-diabetes activities after steam distillation.
Objective To evaluate the antihyperglycemic activities of various fractions from theresidues of Blumea balsamifera (BB), and to properly utilize the waste resource. Methods of antihyperglycemic activities were evaluated by the suppression on serum glucose level in vivo and alpha-glucosidase inhibition assay in vitro. -, mid-, and low-dose (1, 0.5, and 0.25 g / kg of the herb) fractions were ig given to mice for 8 d. The serum glucose was monitored at 1 and 12 h after feeding. Results of the fasting and postprandial serum glucose levels of mice treated with high-dose petroleum ether fraction, ethyl acetate fraction, butyl alcohol fraction, methanol fraction, and water extract from BB were 4.45, 4.39, 4.43, 4.15, 3.74 mmol / L and 6.98, 6.23, , 6.26,5.88 mmol / L, respectively, while those in vehicle control groups were 5.63 and 7.50 mmol / L. There are four different inhibiting manners by the results of α-glucosidase inhibition assay. Confirmation The residues of BB have anti-diabetes activities after steam distillatio n.