RWF

5%

UYF

10%

UYF

15%

UYF

20%

UYF

5%

FYF

10%

FYF

15%

FYF

20%

FYF

Day 0

L*

79.78a

77.73ab

76.95ab

76.50b

76.38b

75.99b

69.16c

67.67c

63.36d

a*

0.26e

0.42e

0.09ef

−0.36fg

−0.56g

1.98d

3.33c

3.93b

4.91a

b*

18.09bc

20.34ab

21.97a

22.37a

22.77a

18.44b

18.61bc

17.51bc

17.45c

Day 1

L*

78.34a

77.60a

77.44a

77.94a

76.95a

73.46b

69.93c

66.70d

63.36e

a*

0.15e

0.21e

−0.01ef

−0.29ef

−0.55f

2.30d

3.35c

4.13b

5.05a

b*

21.13ab

21.01ab

22.21a

21.59ab

22.31a

20.20ab

19.43bc

17.35c

17.44c

Day 2

L*

77.32bc

78.89a

77.60b

78.49ab

76.39c

73.46d

68.60e

67.14f

63.21g

a*

0.41e

−0.18f

−0.23f

−0.52f

−0.52f

2.34d

3.48c

4.02b

5.06a

b*

21.55b

20.76bc

22.52ab

20.74bc

23.54a

19.67cd

18.43de

17.28e

17.50e

Day 5

L*

78.33a

78.38a

76.82bc

77.40ab

75.95c

73.84d

68.63e

67.20f

64.26g

a*

0.01d

−0.06d

−0.20d

−0.57e

−0.23de

2.07c

3.84b

4.14b

4.71a

b*

21.00c

20.91c

22.85ab

21.40bc

23.31a

20.08c

20.33c

17.67d

17.09d

Day 7

L*

77.84ab

78.34a

76.60ab

77.29ab

75.96b

72.89c

68.51d

68.23d

63.88e

a*

0.12d

0.04de

0.08d

−0.15de

−0.49e

2.38c

3.72b

4.17b

4.95a

b*

20.83bc

20.70c

22.65ab

21.52bc

23.44a

19.85cd

18.09de

17.81e

16.92e