Gender differences in the effect of meal schedule will be studied in a parallel design (10 women and 10 men). In two separate days a probe meal (290 stewed beans, 35 g bread, 100 mL water; 549 Kcal) will be administered in the afternoon, i.e. conventional schedule, and in the morning, i.e. unconventional schedule. The effect of meal schedule will be measured as the differences between the responses on both study days. Participants will be instructed to eat standard dinner the day before and to consume standard breakfast at home the day of the afternoon test. Studies will be conducted in a quiet, isolated room with participants siting on a chair. Perception will be measured at 5 min intervals 10 min before and 20 min after ingestion and at 10 min intervals up to 60 min after the probe meal.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
20
The probe meal will be administered either in the afternoon (conventional schedule) or in the morning (unconventional schedule).
University Hospital Vall d'Hebron
Barcelona, Spain
Change in digestive well-being induced by meal schedule
Change in digestive well-being measured by a 10 cm scale graded from -5 (extremely unpleasant sensation) to +5 (extremely pleasant sensation) in response to afternoon and morning meals by repeated measures ANCOVA.
Time frame: 1 day
Change in fullness sensation induced by meal schedule
Change in digestive well-being measured by a 10 cm scale graded from 0 (not at all) to 10 (very much) in response to afternoon and morning meals by repeated measures ANCOVA.
Time frame: 1 day
Change in mood induced by meal schedule
Change in mood measured by a 10 cm scale graded from -5 (negative) to +5 (positive) in response to afternoon and morning meals by repeated measures ANCOVA.
Time frame: 1 day
Change in hunger/satiety induced by meal schedule
Change in mood measured by a 10 cm scale graded from -5 (extremely hungry) to +5 (completely satiate) in response to afternoon and morning meals by repeated measures ANCOVA.
Time frame: 1 day
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