The effect of partially hydrolyzed guar gum on elevation of blood glucose and insulin secretion after sucrose intake was investigated in six healthy human volunteers. When sucrose 30g was taken by subjects, the peak of blood glucose and insulin levels was recognized at 30 min. after ingestion. When 5g of partially hydrolyzed guar gum was taken simultaneously with sucrose 30g, blood glucose level at 60 min. after ingestion was significantly (p<0.05) lower than that of sucrose alone. Serum

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... level was also lower than that of the control, but there was no significant difference between two groups. Although viscosity of partially hydrolyzed guar gum is greatly lower than that of intact guar gum, the reduction effect of blood glucose level after sucrose intake was remained.