Kojic acid
0.39
0.385
0.38 f(x) = 0.002498181818182 x − 0.027238181818181
Absorption at 420 nm
0.375
0.37
0.365
0.36
0.355
0.35
0.345
152 154 156 158 160 162 164 166
Time in sec
Sulphite
0.38
0.37
0.36 f(x) = 0.004660909090909 x − 0.194104545454545
Absorption at 420 nm
0.35
0.34
0.33
0.32
0.31
0.3
0.29
108 110 112 114 116 118 120 122
Time in sec
Vitamin C
0.35
0.348 f(x) = 0.000656363636364 x + 0.124432727272728
Absorption at 420 nm
0.346
0.344
0.342
0.34
0.338
330 332 334 336 338 340 342 344
Time in sec
, No inhibitor
0.58
0.56 f(x) = 0.007094545454545 x − 1.28808909090909
Absorption at 420 nm
0.54
0.52
0.5
0.48
0.46
250 252 254 256 258 260 262 264
Time in sec
Spectrophotometer
1.6
1.4
1.2
1
Absorption at 420 nm
0.8
0.6
sulphite
0.4
kojic acid
0.2 no inhibitor
vitamin c
0
0 100 200 300 400 500 600
-0.2
-0.4
Time in sec
0.39
0.385
0.38 f(x) = 0.002498181818182 x − 0.027238181818181
Absorption at 420 nm
0.375
0.37
0.365
0.36
0.355
0.35
0.345
152 154 156 158 160 162 164 166
Time in sec
Sulphite
0.38
0.37
0.36 f(x) = 0.004660909090909 x − 0.194104545454545
Absorption at 420 nm
0.35
0.34
0.33
0.32
0.31
0.3
0.29
108 110 112 114 116 118 120 122
Time in sec
Vitamin C
0.35
0.348 f(x) = 0.000656363636364 x + 0.124432727272728
Absorption at 420 nm
0.346
0.344
0.342
0.34
0.338
330 332 334 336 338 340 342 344
Time in sec
, No inhibitor
0.58
0.56 f(x) = 0.007094545454545 x − 1.28808909090909
Absorption at 420 nm
0.54
0.52
0.5
0.48
0.46
250 252 254 256 258 260 262 264
Time in sec
Spectrophotometer
1.6
1.4
1.2
1
Absorption at 420 nm
0.8
0.6
sulphite
0.4
kojic acid
0.2 no inhibitor
vitamin c
0
0 100 200 300 400 500 600
-0.2
-0.4
Time in sec
