Phenylalanine concentration (%)

Diameter^a

1.09

1.24

1.39

1.54

1.69

1.84

<20 µm

60.41 ± 13.02^b

64.16 ± 4.98^b

80.07 ± 8.95^a

72.96 ± 5.89^ab

59.81 ± 10.77^b

75.02 ± 11.18^ab

20 - 50 µm

39.59 ± 13.02^a

35.90 ± 4.85^a

19.92 ± 8.95^b

27.04 ± 5.89^ab

40.35 ± 10.64^a

29.85 ± 11.99^ab