Coffee with or without milk
Dietary SupplementIntervention :30 participants were randomized to 3 Groups, 10 persons in each group. All participants fasted 6 hours for solid food before gastric volume was measured by Magnetic Resonance Imagining ( MRI). 2 hours before MRI examination, each participant ingested either 175 ml black coffee, 175 ml coffee with 20% milk or 175 ml coffee with 50% milk in the order defined for the group (arm).