Abstract
Nutrient and energy intakes, hunger, and fullness were examined after the replacement of 36, 20, or 0 g fat in breakfast with olestra, a noncaloric fat substitute. Twenty-four lean, nondieting men (aged 21-30 y) participated in a placebo-controlled, three-condition crossover design. Self-selected, ad libitum intakes at lunch and dinner were monitored in the laboratory. Evening snacks and breakfast the next day were assessed through food diaries. Visual-analog-scale ratings including hunger and fullness were collected throughout the test days. Single-meal olestra substitution produced a significant dose-related reduction in the amount and percentage of energy from fat consumed daily with a reciprocal increase in carbohydrate intake. Daily energy intakes were not significantly different nor did ratings of hunger and fullness vary systematically between conditions. Consumption of olestra can reduce fat intake and increase carbohydrate intake without affecting total daily energy intake or usual patterns of hunger and fullness.
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