Days

Control

Stevia-C

Sucralose-C

JF-control

JF-Stevia

JF-Sucralose

L*

0

31.9 ± 0.7

30.1 ± 0.6

30.5 ± 0.5

31.8 ± 0.2

30.4 ± 0.2

30.0 ± 0.8

30

33.0 ± 0.4

30.4 ± 0.3

28.1 ± 0.4

31.3 ± 0.4

30.8 ± 0.2

29.1 ± 0.3

60

31.7 ± 0.7

30.2 ± 0.5

30.9 ± 1.0

32.9 ± 0.1

28.5 ± 0.2

30.1 ± 0.02

90

31.2 ± 0.04

30.3 ± 0.4

30.7 ± 0.7

31.7 ± 0.3

29.6 ± 0.1

30.0 ± 0.01

a*

0

9.9 ± 0.2

8.9 ± 0.2

9.4 ± 0.3

9.8 ± 0.2

9.4 ± 0.2

9.4 ± 0.1

30

10.2 ± 0.01

9.0 ± 0.1

8.5 ± 0.2

10.1 ± 0.1

9.6 ± 0.1

9.2 ± 0.3

60

10.2 ± 0.8

9.0 ± 0.3

9.9 ± 0.1

9.9 ± 0.2

9.8 ± 0.4

10.0 ± 0.2

90

10.3 ± 0.4

9.3 ± 0.3

9.5 ± 0.6

9.9 ± 0.1

9.0 ± 0.04

8.9 ± 0.01

b*

0

11.5 ± 0.7

10.3 ± 0.3

10.9 ± 0.5

12.3 ± 0.2

11.2 ± 0.4

11.2 ± 0.2

30

11.8 ± 0.5

10.6 ± 0.5

10.3 ± 0.7

13.0 ± 0.9

11.8 ± 0.5

11.8 ± 1.1

60

11.7 ± 0.6

10.1 ± 0.4

11.1 ± 0.7

12.3 ± 0.8

12.9 ± 0.4

12.8 ± 0.4

90

11.7 ± 0.7

11.2 ± 0.1

11.8 ± 0.2

11.3 ± 0.4

11.0 ± 0.1

11.9 ± 0.1

Whiteness index

0

30.2 ± 0.6

28.8 ± 0.6

29.0± 0.6

30.0 ± 0.2

28.9 ± 0.2

28.5 ± 0.8

30

31.2 ± 0.4

29.0 ± 0.4

26.9 ± 0.5

29.3 ± 0.5

29.1 ± 0.2

27.6± 0.5

60

29.9 ± 0.9

29.0 ± 0.5

29.3 ± 1.1

31.0 ± 0.3

26.7 ± 0.3

28.3 ± 0.1

90

29.4 ± 0.1

28.8 ± 0.4

29.1 ± 0.8

30.1 ± 0.2

28.2 ± 0.9

28.4 ± 0.0