Comparison of the metabolic responses to fructose and sucrose sweetened foods

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Abstract
We studied the acute effects of oral ingestion of fructose and sucrose sweetened cakes and ice creams on postprandial serum glucose and insulin responses in 10 normal subjects, six subjects with impaired glucose tolerance, and 10 noninsulin-dependent diabetic subjects. The data demonstrate that: 1) ingestion of fructose cakes and ice creams resulted in lower serum glucose and insulin responses than did the sucrose cakes and ice creams in all study groups; 2) when comparing cakes to ice creams, the serum glucose and insulin responses after ice cream ingestion were lower than responses after cake ingestion. In conclusion, when fructose is incorporated as a sweetener in a complex food product, it is associated with significantly lower serum glucose and insulin responses as compared to comparable sucrose sweetened foods.