Abstract
The aim of the study was the determination of glycaemic index (GI) of local tubers such as Uwi ( Dioscorea alata ), Gadung ( Dioscorea hispida ), dan Talas ( Colocasia esculenta ). Tubers were prepared as raw flour which were administered orally to the rats. Blood were taken at 0; 0,5; 1 and 2 hour after tubers administration. The dose was 2,5 kg/kg body weight (BW) whereas glucose was administered as a standart treatment. Area Under Curve (AUC) was calculated after plotting the graph of time versus glucose levels. Glucose levels were determined using GOD-PAP kit. GI values were calculated as a ratio of AUC (0-2hr) of tubers to glucose. Porang was moderate while the other tubers were low GI.
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