20.02 11.85 12.5 18.99 51.07 4.24 Decreasing Kinetics of Vitamin C As Fortification and Shelf Life Prediction of Orange Juice Formulation

42 Lampiran 2. Data Uji pH, Brix dan Kadar Vitamin C pada Penentuan Konsentrasi Fortifikasi Vitamin C pada suhu 45 ° C. p H Brix Kadar vitamin C mgkg Waktu Pengamatan Ulangan K C1 C2 C3 K C1 C2 C3 K C1 C2 C3 T0 hari U1 3.45 3.41 3.40 3.39 12.0 12.5 12.0 12.1 70.72 617.94 1123.41 1656.59 U2 3.47

3.41 3.40

3.39 12.0 12.6 12.0 12.1 72.53 610.34 1134.01 1609.43 Rata-rata 3.46

3.41 3.40

3.39 12.00

12.55 12.00

12.10 71.62

614.14 1128.71 1633.01 T2 hari U1 3.69 3.56 3.55 3.54 11.8 12.3 12.0 12.2 49.31 503.98 1057.54 1610.23 U2 3.69

3.56 3.55

3.54 11.8 12.4 12.0 12.2 47.32 514.16 1047.51 1638.30 Rata-rata 3.69

3.56 3.55

3.54 11.80

12.35 12.00

12.20 48.31

509.07 1052.52 1624.26 T5 hari U1 3.71 3.64 3.58 3.55 11.8 12.3 12.0 12.2 27.24 439.00 1044.77 1580.34 U2 3.70

3.64 3.59

3.56 11.8 12.4 12.0 12.2 29.15 443.38 1036.14 1589.25 Rata-rata 3.71

3.64 3.59

3.56 11.80

12.35 12.00

12.20 28.19

441.19 1040.45 1584.79 T7 hari U1 3.60 3.57 3.55 3.52 11.8 12.4 12.3 12.4 23.23 401.43 985.00 1526.07 U2 3.60

3.57 3.55

3.52 11.8

12.4 12.2 12.4 24.49 390.44 987.67 1510.10 Rata-rata 3.6

3.57 3.55

3.52 11.8

12.4 12.25

12.4 23.86

395.94 986.34 1518.08 T9 hari U1 3.47 3.46 3.45 3.44 12.2 12.6 12.2 12.4 20.03 383.63 947.33 1495.35 U2 3.48 3.45 3.44 3.43 12.2

12.6 12.2

12.4 20.02

379.34 937.99 1491.31 Rata-rata 3.475 3.455 3.445 3.435 12.2

12.6 12.2

12.4 20.02

381.49 942.66 1493.33 T12 hari U1 3.54 3.45 3.43 3.41 11.8 12.2 12.5 12.4 19.06 365.44 921.09 1646.61 U2 3.54 3.46 3.43 3.41 11.9 12.4 12.5 12.4 18.93 365.58 923.89 1463.69 Rata-rata 3.54 3.455 3.43

3.41 11.85

12.3 12.5

12.4 18.99

365.51 922.49 1555.15 Keterangan: K = Kontrol ; C1= Fortifikasi Vitamin C 0.05 ; C2= Fortifikasi Vitamin C 0.10 ; C3= Fortifikasi Vitamin C 0.15 43 Lampiran 3. Data Uji Warna pada Penentuan Konsentrasi Fortifikasi Vitamin C pada suhu 45 ° C. Waktu Warna Pengamatan Ulangan L a b K C1 C2 C3 K C1 C2 C3 K C1 C2 C3 T0 hari U1 51.82 50.41 51.72 51.07 2.79 4.24 3.30 4.15 23.59 24.06 24.33 24.47 U2 51.85 50.41 51.72 51.06 2.79 4.24 3.31 4.13 23.62 24.07 24.34 24.47 U3 51.87 50.42 51.70 51.08 2.77 4.23 3.30 4.14 23.63