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49
Lampiran 1. Perhitungan % Sineresis
Ulangan 1
Hari ke-7
1. Batch 1 suhu 30°C
% sineresis =
= 0,85%
2. Batch 1 suhu 50°C
% sineresis =
= 2,05%
3. Batch 2 suhu 40°C
% sineresis =
= 1,16%
4. Batch 2 suhu 50°C
% sineresis =
= 2,05%
Hari ke-14
1. Batch 1 suhu 30°C
% sineresis =
= 4,29%
2. Batch 1 suhu 40°C
% sineresis =
= 3,51%
3. Batch 1 suhu 50°C
% Sineresis = %100b
b-a
50
% sineresis =
= 6,53%
4. Batch 2 suhu 30°C
% sineresis =
= 3,14%
5. Batch 2 suhu 40°C
% sineresis =
= 4,45%
6. Batch 2 suhu 50°C
% sineresis =
= 3,76%
Hari ke-21
1. Batch 1 suhu 30°C
% sineresis =
= 3,93%
2. Batch 1 suhu 40°C
% sineresis =
= 0,69%
3. Batch 1 suhu 50°C
% sineresis =
= 3,93%
4. Batch 2 suhu 30°C
% sineresis =
= 3,25%
5. Batch 2 suhu 40°C
% sineresis =
51
= 3,55%
6. Batch 2 suhu 50°C
% sineresis =
= 3,75%
Hari ke-28
1. Batch 1 suhu 30°C
% sineresis =
= 1,77%
2. Batch 1 suhu 40°C
% sineresis =
= 2,77%
3. Batch 1 suhu 50°C
% sineresis =
= 2,74%
4. Batch 2 suhu 30°C
% sineresis =
= 4,86%
5. Batch 2 suhu 40°C
% sineresis =
= 2,77%
6. Batch 2 suhu 50°C
% sineresis =
= 5,76%
Ulangan 2
Hari ke-7
1. Batch 1 suhu 30°C
% sineresis =
52
= 2,04%
2. Batch 1 suhu 50°C
% sineresis =
= 1,53%
3. Batch 2 suhu 40°C
% sineresis =
= 2,69%
4. Batch 2 suhu 50°C
% sineresis =
= 0,99%
Hari ke-14
1. Batch 1 suhu 30°C
% sineresis =
= 1,89%
2. Batch 1 suhu 40°C
% sineresis =
= 3,09%
3. Batch 1 suhu 50°C
% sineresis =
= 3,03%
4. Batch 2 suhu 30°C
% sineresis =
= 2,23%
5. Batch 2 suhu 40°C
% sineresis =
= 3,09%
6. Batch 2 suhu 50°C
53
% sineresis =
= 2,85%
Hari ke-21
7. Batch 1 suhu 30°C
% sineresis =
= 1,69%
8. Batch 1 suhu 40°C
% sineresis =
= 2,99%
9. Batch 1 suhu 50°C
% sineresis =
= 3,68%
10. Batch 2 suhu 30°C
% sineresis =
= 5,2%
11. Batch 2 suhu 40°C
% sineresis =
= 1,16%
12. Batch 2 suhu 50°C
% sineresis =
= 3,68%
Hari ke-28
1. Batch 1 suhu 30°C
% sineresis =
= 2,86%
2. Batch 1 suhu 40°C
% sineresis =
54
= 1,12%
3. Batch 1 suhu 50°C
% sineresis =
= 1,28%
4. Batch 2 suhu 30°C
% sineresis =
= 2,12%
5. Batch 2 suhu 40°C
% sineresis =
= 3,06%
6. Batch 2 suhu 50°C
% sineresis =
= 2,37%
Ulangan 3
Hari ke-7
1. Batch 2 suhu 40°C
% sineresis =
= 2,91%
2. Batch 2 suhu 50°C
% sineresis =
= 2,8%
Hari ke-14
1. Batch 1 suhu 30°C
% sineresis =
= 2,88%
2. Batch 1 suhu 40°C
% sineresis =
55
= 3,83%
3. Batch 1 suhu 50°C
% sineresis =
= 3,53%
4. Batch 2 suhu 30°C
% sineresis =
= 3,28%
5. Batch 2 suhu 40°C
% sineresis =
= 4,3%
6. Batch 2 suhu 50°C
% sineresis =
= 3,34%
Hari ke-21
13. Batch 1 suhu 30°C
% sineresis =
= 2,49%
14. Batch 1 suhu 40°C
% sineresis =
= 3,06%
15. Batch 1 suhu 50°C
% sineresis =
= 4,45%
16. Batch 2 suhu 30°C
% sineresis =
= 4,14%
17. Batch 2 suhu 40°C
56
% sineresis =
= 2,63%
18. Batch 2 suhu 50°C
% sineresis =
= 4,98%
Hari ke-28
1. Batch 1 suhu 30°C
% sineresis =
= 5,62%
2. Batch 1 suhu 40°C
% sineresis =
= 3,17%
3. Batch 1 suhu 50°C
% sineresis =
= 3,58%
4. Batch 2 suhu 30°C
% sineresis =
= 3,74%
5. Batch 2 suhu 40°C
% sineresis =
= 4,49%
6. Batch 2 suhu 50°C
% sineresis =
= 4,22%
57
Lampiran 2. Persamaan Linear Ordo 0 dan Ordo 1 Berdasarkan Nilai L (lightness)
58
Lampiran 3. Persamaan Linear Ordo 0 dan Ordo 1 Berdasarkan Nilai a (Redness)
59
Lampiran 4. Persamaan Linear Ordo 0 Dan Ordo 1 Berdasarkan Nilai b (Yellowness)
60
Lampiran 5. Persamaan Linear Ordo 0 Berdasarkan Variabel Sineresis
61
Lampiran 6. Persamaan Linear Ordo 0 dan Ordo 1 Berdasarkan Variabel Aw
62
Lampiran 7. Persamaan Linear Ordo 0 dan Ordo 1 Berdasarkan Variabel pH
63
Lampiran 8. Perhitungan Umur Simpan Selai Nenas Pada Suhu Ruang (28oC)
Pendugaan berdasarkan variabel L (Lightness)
y = -3,889x + 11,30
ln = (-3,889 × 1/T) + 11,30
ln = (-3,889 × ) + 11,30
= 0,1978
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 84 hari
Pendugaan berdasarkan variabel a (redness)
y = -3436x + 9,287
ln = (-3436 × 1/T) + 9,287
ln = (-3436 × ) + 9,287
= 0,119
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 88 hari
Pendugaan berdasarkan variabel b (yellowness)
y = -3065x + 8,463
ln = (-3065 × 1/T) + 8,463
ln = (-3065 × ) + 8,463
64
= 0,1791
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 88 hari
Pendugaan berdasarkan variabel sineresis
y = 255x + 2,947
ln = (255 × 1/T) + 2,947
ln = (255 × ) + 2,947
= 0,1225
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 489 hari
Pendugaan berdasarkan variabel Aw
y = -5670x + 12,14
ln = (-5670 × 1/T) + 12,14
ln = (-5670 × ) + 12,14
= 1,2343 × 10-3
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 97 hari
Pendugaan berdasarkan variabel pH
y = -5205x + 12,17
65
ln = (-5205× 1/T) + 12,17
ln = (-5205 × ) + 12,17
= 5,962x10-3
Pendugaan umur simpan berdasarkan ordo 0
ts =
= 60 hari
66
Lampiran 9. Hasil Olahan Data
9.1. Uji Pendahuluan
Descriptive Statistics
Dependent Variable: viskositas
pektin waktu Mean Std. Deviation N 0,5% 15 menit 300.0000 6.32456 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = 1.766. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05.
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = 1.766. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
9.2. Nilai a (redness)
Descriptive Statistics Dependent Variable: a
minggu suhu Mean Std. Deviation N 1.000 1.00 -1.8900 .11798 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .164. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05.
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .164. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
71
9.3. Nilai b (yellowness) Descriptive Statistics Dependent Variable: b
minggu suhu Mean Std. Deviation N 1.000 1.00 19.7667 .77050 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .876. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05.
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .876. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
9.4. Variabel Sineresis Descriptive Statistics Dependent Variable: sineresis
minggu suhu Mean Std. Deviation N 1.000 1.00 .0000 .00000 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = 1.164. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05. Duncan – Suhu Penyimpanan
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = 1.164. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
74
9.1. Variabel Aw
Descriptive Statistics Dependent Variable: aw
minggu suhu Mean Std. Deviation N 1.00 1.00 .8047 .00294 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .000. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05.
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .000. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
9.2. Variabel pH
Descriptive Statistics Dependent Variable: ph
minggu suhu Mean Std. Deviation N 1.00 1.00 3.3250 .00837 6
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .000. a Uses Harmonic Mean Sample Size = 18.000. b Alpha = .05. Duncan – Suhu Penyimpanan
Means for groups in homogeneous subsets are displayed. Based on Type III Sum of Squares The error term is Mean Square(Error) = .000. a Uses Harmonic Mean Sample Size = 30.000. b Alpha = .05.
77
Lampiran 10. Uji Normalitas Data 10.1. Uji Normalitas L (Lightness)
minggu
Kolmogorov-Smirnov(a) Shapiro-Wilk
Statistic df Sig. Statistic df Sig. L 1.00 .258 18 .003 .800 18 .002
* This is a lower bound of the true significance. a Lilliefors Significance Correction b sineresis is constant when minggu = 1.00. It has been omitted.
10.5. Uji normalitas Aw
minggu
Kolmogorov-Smirnov(a) Shapiro-Wilk
Statistic df Sig. Statistic df Sig. Aw 1.00 .222 18 .019 .912 18 .094