Effects of Gymnema lactiferum leaf on serum glucose and cholesterol levels ofnormo-glycaemic Wistar rats

Gymnema lactiferum var. lactiferum is a twining plant which belongs to the family Asclepiadaceae(milk weed family). This plant is distributed in many South Asian countries including, Assam,Malay Peninsula, Malaysia and Sri Lanka. It is reported that G. lactiferum leaf powder is usedpopularly by the people in Jaffna, as a treatment for diabetes. The present study indicates that theleaf powder does not result in a significant reduction of FBS (p=0.64) or serum total cholesterollevels (p=0.49) when tested with normo-glycaemic Wistar rats following feeding for 4 weeks.Further the leaf extract did not produce any significant effect on blood glucose levels on theglucose challenge (p=0.26) in the normo-glycaemic Wistar rats.