Table 1 Gastric emptying parameters of whey protein (30 and 70 g) and control drinks in healthy young men and womens

50% emptying time (T50; min) ⁺

12 ± 1

25 ± 4

72 ± 13

19 ± 1

39 ± 5

98 ± 14

100% emptying time (100, min) ⁺

60 ± 7

126 ± 14

171 ± 6

81 ± 15

176 ± 4

180 ± 0

Rate of gastric emptying (kcal/min) ^1,+

1.0 ± 0.1

1.5 ± 0.1

0.9 ± 0.0

1.2 ± 0.0

Early phase rate of gastric emptying ^{1 +}

1.4 ± 0.1

2.3 ± 0.1

1.3 ± 0.1

1.7 ± 0.3

Late phase rate of gastric emptying ^{1 +}

0.3 ± 0.1

1.0 ± 0.2

0.5 ± 0.1

1.0 ± 0.1

Amount emptied at 60 min (%) ⁺

95 ± 1

72 ± 4

49 ± 3

93 ± 3

65 ± 6

37 ± 6

Amount emptied at 180 min (%) ^+,*

100 ± 0^a

98 ± 1^a

86 ± 5^b

99 ± 1^a

100 ± 0^a

75 ± 3^b