after an overnight fast , each subject drank , in random sequence on their different occasions , 2 litres of sorghum beer ( carbohydrat content approximately 5 % and alcohol concentration 2.24 g/dl-2.8 % v/v ) , the same volume of a control solution providing a similar carbohydrate load , or a gin and standard tonic water mixture .
C0004922
beer
C0001962
alcohol