Subjects were given, after minimum 10 hours of fasting, a standard meal containing 857.5 kcal of
energy. Fasting and serial postprandial blood samples were taken over 8 hours to determine levels of insulin and blood glucose
(every 30 minutes for 3 hours i.e. from 1st to 7"' sample; then hourly i.e. from 8" sample to 12"' sample).