55
Lampiran 14. Data Uji pH, Brix dan Kadar Vitamin C pada Penentuan Kinetika Degradasi Vitamin C dengan Inkubasi suhu 45
°
C.
pH Brix
Kadar Vit.C Waktu Pengamatan
Ulangan mgkg
Kontrol Vitamin C 0.05
Kontrol Vitamin C 0.05
Kontrol Vitamin C 0.05
T0 hari U1
3.69 3.65
11.4 11.6
72.9479 619.3093
U2 3.69
3.65 11.4
11.6 73.7837
620.4233 U3
3.69 3.65
11.5 11.7
73.2153 619.8971
Rata-rata
3.69 3.65
11.43 11.63
73.32 619.88
T7 hari U1
3.69 3.66
11.3 11.6
32.7736 548.9042
U2 3.69
3.66 11.5
11.7 33.4008
549.2651 U3
3.70 3.66
11.4 11.7
33.3652 548.9532
Rata-rata
3.69 3.66
11.40 11.67
33.18 549.04
T14 hari U1
3.73 3.69
11.4 11.8
24.8100 459.4656
U2 3.73
3.70 11.4
11.8 24.9794
459.8036 U3
3.73 3.70
11.5 11.7
24.9492 460.1221
Rata-rata
3.73 3.70
11.43 11.77
24.91 459.80
T28 hari U1
3.82 3.74
11.5 11.8
23.7178 425.3681
U2 3.82
3.75 11.5
11.6 24.1928
426.2398 U3
3.82 3.75
11.4 11.6
23.8738 427.0021
Rata-rata
3.82 3.75
11.47 11.67
23.93 426.20
T35 hari U1
3.88 3.73
11.5 11.7
23.1831 425.1257
U2 3.88
3.74 11.5
11.6 23.1939
425.0020 U3
3.89 3.73
11.6 11.6
23.7825 425.2538
Rata-rata
3.88 3.73
11.53 11.63
23.39 425.13
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Lampiran 15. Data Uji Warna pada Penentuan Kinetika Degradasi Vitamin C dengan Inkubasi suhu 45
°
C.
Warna L,a,b Waktu Pengamatan
Ulangan L
a b
Kontrol Vitamin C 0.05
Kontrol Vitamin C 0.05
Kontrol Vitamin C 0.05
T0 hari U1
51.29 51.41
6.46 5.83
24.36 24.47
U2 51.27
51.37 6.50
5.84 24.40
24.50 U3
51.24 51.36
6.52 5.87
24.41 24.52
Rata-rata
51.27 51.38
6.49 5.85
24.39 24.50
T7 hari U1
49.27 50.33
5.23 5.06
22.90 23.65
U2 49.26
50.36 5.23
5.00 22.91
23.59 U3
49.26 50.37
5.23 5.00
22.91 23.58
Rata-rata
49.26 50.35
5.23 5.02
22.91 23.61
T14 hari U1
42.60 46.88
7.65 7.67
18.21 21.76
U2 42.56
46.84 7.74
7.71 18.21
21.77 U3
42.79 46.82
7.77 7.73
18.44 21.79
Rata-rata
42.65 46.85
7.72 7.70
18.29 21.77
T28 hari U1
44.69 46.58
6.75 5.79
20.73 22.15
U2 44.66
46.62 6.73
5.78 20.77
22.17 U3
44.64 46.64
6.76 5.77
20.76 22.19
Rata-rata
44.66 46.61
