7. lampiran 7.1.hasil pengolahan data uji normalitas file39 7. lampiran 7.1.hasil pengolahan data...
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39
7. LAMPIRAN
7.1.Hasil Pengolahan Data
7.1.1. Uji Normalitas
Tests of Normality
Perlakuan
Kolmogorov-Smirnova Shapiro-Wilk
Statistic df Sig. Statistic df Sig.
WHC_40 aquades .205 9 .200* .901 9 .260
natrium metabisulfit 0,05% .214 9 .200* .936 9 .539
natrium metabisulfit 0,1% .191 9 .200* .934 9 .523
natrium metabisulfit 0,2% .238 9 .152 .907 9 .299
larutan jeruk nipis 25% .258 9 .085 .854 9 .083
larutan jeruk nipis 50% .213 9 .200* .905 9 .284
larutan jeruk nipis 75% .219 9 .200* .927 9 .451
WHC_60 aquades .266 9 .066 .847 9 .070
natrium metabisulfit 0,05% .146 9 .200* .936 9 .541
natrium metabisulfit 0,1% .295 9 .023 .868 9 .116
natrium metabisulfit 0,2% .191 9 .200* .921 9 .398
larutan jeruk nipis 25% .133 9 .200* .983 9 .978
larutan jeruk nipis 50% .190 9 .200* .948 9 .669
larutan jeruk nipis 75% .148 9 .200* .936 9 .542
Kadar_air aquades .196 9 .200* .906 9 .291
natrium metabisulfit 0,05% .193 9 .200* .918 9 .373
natrium metabisulfit 0,1% .262 9 .076 .797 9 .019
natrium metabisulfit 0,2% .307 9 .014 .818 9 .033
larutan jeruk nipis 25% .222 9 .200* .947 9 .654
larutan jeruk nipis 50% .164 9 .200* .939 9 .569
larutan jeruk nipis 75% .370 9 .001 .727 9 .003
Serat_kasar aquades .169 9 .200* .938 9 .558
natrium metabisulfit 0,05% .198 9 .200* .915 9 .356
natrium metabisulfit 0,1% .251 9 .106 .893 9 .213
natrium metabisulfit 0,2% .187 9 .200* .948 9 .664
larutan jeruk nipis 25% .206 9 .200* .851 9 .077
larutan jeruk nipis 50% .141 9 .200* .931 9 .492
larutan jeruk nipis 75%
.179
9
.200*
.924
9
.427
40
Amilosa aquades .199 9 .200* .910 9 .313
natrium metabisulfit 0,05% .174 9 .200* .953 9 .726
natrium metabisulfit 0,1% .179 9 .200* .936 9 .536
natrium metabisulfit 0,2% .107 9 .200* .989 9 .994
larutan jeruk nipis 25% .187 9 .200* .963 9 .829
larutan jeruk nipis 50% .202 9 .200* .859 9 .093
larutan jeruk nipis 75% .168 9 .200* .919 9 .380
Amilopektin aquades .180 9 .200* .881 9 .162
natrium metabisulfit 0,05% .125 9 .200* .985 9 .985
natrium metabisulfit 0,1% .257 9 .089 .895 9 .224
natrium metabisulfit 0,2% .214 9 .200* .908 9 .301
larutan jeruk nipis 25% .192 9 .200* .939 9 .576
larutan jeruk nipis 50% .196 9 .200* .910 9 .315
larutan jeruk nipis 75% .175 9 .200* .934 9 .517
Kadar_kalium aquades .233 9 .174 .899 9 .246
natrium metabisulfit 0,05% .244 9 .132 .928 9 .462
natrium metabisulfit 0,1% .134 9 .200* .973 9 .916
natrium metabisulfit 0,2% .158 9 .200* .965 9 .847
larutan jeruk nipis 25% .147 9 .200* .948 9 .670
larutan jeruk nipis 50% .200 9 .200* .884 9 .174
larutan jeruk nipis 75% .213 9 .200* .922 9 .405
Activity_water aquades .179 9 .200* .897 9 .233
natrium metabisulfit 0,05% .205 9 .200* .890 9 .200
natrium metabisulfit 0,1% .299 9 .020 .754 9 .006
natrium metabisulfit 0,2% .215 9 .200* .849 9 .072
larutan jeruk nipis 25% .286 9 .032 .805 9 .023
larutan jeruk nipis 50% .223 9 .200* .839 9 .057
larutan jeruk nipis 75% .332 9 .005 .716 9 .002
Kadar_pati aquades .211 9 .200* .904 9 .274
natrium metabisulfit 0,05% .239 9 .148 .896 9 .232
natrium metabisulfit 0,1% .208 9 .200* .859 9 .093
natrium metabisulfit 0,2% .217 9 .200* .854 9 .083
larutan jeruk nipis 25% .258 9 .086 .867 9 .115
larutan jeruk nipis 50% .183 9 .200* .926 9 .446
larutan jeruk nipis 75% .191 9 .200* .918 9 .372
*. This is a lower bound of the true significance.
a. Lilliefors Significance Correction
41
Tests of Normalityc,d,e
Perlakuan
Kolmogorov-Smirnova Shapiro-Wilk
Statistic df Sig. Statistic df Sig.
L aquades .185 9 .200* .883 9 .168
natrium metabisulfit 0,05% .249 9 .114 .872 9 .128
natrium metabisulfit 0,1% .203 9 .200* .898 9 .238
natrium metabisulfit 0,2% .218 9 .200* .840 9 .057
larutan jeruk nipis 25% .248 9 .118 .864 9 .106
larutan jeruk nipis 50% .357 9 .002 .770 9 .009
larutan jeruk nipis 75% .342 9 .003 .757 9 .006
a aquades .277 9 .045 .811 9 .027
natrium metabisulfit 0,05% .203 9 .200* .867 9 .113
natrium metabisulfit 0,1% .280 9 .041 .805 9 .023
natrium metabisulfit 0,2% .194 9 .200* .879 9 .154
larutan jeruk nipis 25% .209 9 .200* .840 9 .057
larutan jeruk nipis 50% .222 9 .200* .846 9 .067
larutan jeruk nipis 75% .292 9 .026 .781 9 .012
b aquades .322 9 .008 .766 9 .008
natrium metabisulfit 0,05% .238 9 .151 .828 9 .042
natrium metabisulfit 0,1% .216 9 .200* .851 9 .076
natrium metabisulfit 0,2% .214 9 .200* .851 9 .077
larutan jeruk nipis 25% .205 9 .200* .844 9 .063
larutan jeruk nipis 50% .209 9 .200* .873 9 .134
larutan jeruk nipis 75% .213 9 .200* .845 9 .065
*. This is a lower bound of the true significance.
a. Lilliefors Significance Correction
42
7.1.2. Uji One Way Anova Tepung
ANOVA
Sum of Squares df Mean Square F Sig.
WHC_40 Between Groups 185.570 7 26.510 291.061 .000
Within Groups 5.829 64 .091
Total 191.399 71
WHC_60 Between Groups 74.451 7 10.636 135.163 .000
Within Groups 5.036 64 .079
Total 79.487 71
Kadar_air Between Groups 2.627 6 .438 .901 .501
Within Groups 27.206 56 .486
Total 29.834 62
Serat_kasar Between Groups 152.298 7 21.757 1.484 .189
Within Groups 938.442 64 14.663
Total 1090.740 71
Amilosa Between Groups 1172.886 7 167.555 10.145 .000
Within Groups 1057.026 64 16.516
Total 2229.912 71
Amilopektin Between Groups 3102.976 7 443.282 4.620 .000
Within Groups 6141.127 64 95.955
Total 9244.104 71
Kadar_kalium Between Groups .095 6 .016 .766 .599
Within Groups 1.155 56 .021
Total 1.250 62
Activity_water Between Groups .003 6 .000 .177 .982
Within Groups .140 56 .002
Total .143 62
Kadar_pati Between Groups 1121.754 7 160.251 2.292 .038
Within Groups 4475.103 64 69.923
Total 5596.856 71
L Between Groups 24.656 6 4.109 1.403 .230
Within Groups 164.013 56 2.929
Total 188.668 62
a Between Groups 7.123 6 1.187 5.628 .000
Within Groups 11.812 56 .211
Total 18.935 62
b Between Groups 12.344 6 2.057 .547 .770
Within Groups 210.618 56 3.761
43
Total 222.962 62
7.1.3. Uji One Way Anova Cookies
ANOVA
Sum of Squares df Mean Square F Sig.
L Between Groups 219.902 7 31.415 32.987 .000
Within Groups 15.237 16 .952
Total 235.139 23
a Between Groups 26.780 7 3.826 831.677 .000
Within Groups .074 16 .005
Total 26.854 23
b Between Groups 1838.605 7 262.658 697.052 .000
Within Groups 6.029 16 .377
Total 1844.634 23
kalium Between Groups .001 6 .000 2.376 .085
Within Groups .001 14 .000
Total .002 20
Tekstur Between Groups 3690199.467 7 527171.352 126.455 .000
Within Groups 66701.493 16 4168.843
Total 3756900.960 23
7.1.4. Uji Beda Nyata Tepung Pisang
Kadar_air
Duncana
Perlakuan N
Subset for alpha
= 0.05
1
natrium metabisulfit 0,05% 9 7.7767
larutan jeruk nipis 75% 9 7.9300
natrium metabisulfit 0,1% 9 8.0600
natrium metabisulfit 0,2% 9 8.1567
larutan jeruk nipis 50% 9 8.2233
aquades 9 8.3300
larutan jeruk nipis 25% 9 8.4000
Sig. .106
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
44
Serat_kasar
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2
tepung terigu 9 5.2889
natrium metabisulfit 0,2% 9 8.8111 8.8111
larutan jeruk nipis 25% 9 9.1556
larutan jeruk nipis 75% 9 9.5333
larutan jeruk nipis 50% 9 9.7778
aquades 9 9.8222
natrium metabisulfit 0,05% 9 9.8222
natrium metabisulfit 0,1% 9 9.9222
Sig. .055 .603
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
WHC_40
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2
larutan jeruk nipis 75% 9 2.6349
aquades 9 2.6568
larutan jeruk nipis 50% 9 2.6707
larutan jeruk nipis 25% 9 2.6882
natrium metabisulfit 0,2% 9 2.6974
natrium metabisulfit 0,1% 9 2.7274
natrium metabisulfit 0,05% 9 2.8014
tepung terigu 9 7.5489
Sig. .322 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
45
WHC_60
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3 4
larutan jeruk nipis 75% 9 2.4031
larutan jeruk nipis 50% 9 2.5176 2.5176
larutan jeruk nipis 25% 9 2.5860 2.5860 2.5860
aquades 9 2.6166 2.6166 2.6166
natrium metabisulfit 0,2% 9 2.6286 2.6286 2.6286
natrium metabisulfit 0,1% 9 2.7856 2.7856
natrium metabisulfit 0,05% 9 2.8313
tepung terigu 9 5.6744
Sig. .134 .074 .103 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
Activity_water
Duncana
Perlakuan N
Subset for alpha
= 0.05
1
natrium metabisulfit 0,05% 9 .4467
larutan jeruk nipis 25% 9 .4520
natrium metabisulfit 0,2% 9 .4582
natrium metabisulfit 0,1% 9 .4584
aquades 9 .4603
larutan jeruk nipis 75% 9 .4630
larutan jeruk nipis 50% 9 .4680
Sig. .443
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
46
Amilosa
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3
tepung terigu 9 13.4889
larutan jeruk nipis 75% 9 21.9040
larutan jeruk nipis 25% 9 24.4091 24.4091
larutan jeruk nipis 50% 9 24.8960 24.8960
natrium metabisulfit 0,1% 9 25.2657 25.2657
natrium metabisulfit 0,2% 9 25.4929 25.4929
aquades 9 26.2535
natrium metabisulfit 0,05% 9 26.6818
Sig. 1.000 .099 .308
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
Amilopektin
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3
natrium metabisulfit 0,2% 9 23.3467
natrium metabisulfit 0,05% 9 23.5800
aquades 9 30.6822 30.6822
larutan jeruk nipis 50% 9 31.4856 31.4856
larutan jeruk nipis 75% 9 32.1489 32.1489
larutan jeruk nipis 25% 9 32.8600 32.8600
natrium metabisulfit 0,1% 9 35.9911
tepung terigu 9 45.4289
Sig. .075 .315 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
47
Kadar_pati
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3
natrium metabisulfit 0,2% 9 48.8407
natrium metabisulfit 0,05% 9 50.2630 50.2630
larutan jeruk nipis 75% 9 54.0519 54.0519 54.0519
larutan jeruk nipis 50% 9 56.3815 56.3815 56.3815
aquades 9 56.9370 56.9370 56.9370
larutan jeruk nipis 25% 9 57.2667 57.2667 57.2667
tepung terigu 9 58.9178 58.9178
natrium metabisulfit 0,1% 9 61.2556
Sig. .064 .057 .115
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
Kadar_kalium
Duncana
Perlakuan N
Subset for alpha
= 0.05
1
larutan jeruk nipis 50% 9 .6902
larutan jeruk nipis 75% 9 .7096
larutan jeruk nipis 25% 9 .7155
natrium metabisulfit 0,1% 9 .7161
aquades 9 .7296
natrium metabisulfit 0,2% 9 .7758
natrium metabisulfit 0,05% 9 .8089
Sig. .136
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
48
L
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2
aquades 9 87.6178
natrium metabisulfit 0,05% 9 88.4700 88.4700
natrium metabisulfit 0,1% 9 88.7144 88.7144
larutan jeruk nipis 75% 9 88.9089 88.9089
natrium metabisulfit 0,2% 9 89.1156 89.1156
larutan jeruk nipis 50% 9 89.4400 89.4400
larutan jeruk nipis 25% 9 89.6478
Sig. .051 .209
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
a
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2
natrium metabisulfit 0,1% 9 -.4467
natrium metabisulfit 0,2% 9 -.4156
natrium metabisulfit 0,05% 9 -.3489
aquades 9 -.2811
larutan jeruk nipis 50% 9 .1767
larutan jeruk nipis 75% 9 .2944
larutan jeruk nipis 25% 9 .3956
Sig. .493 .347
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
49
b
Duncana
Perlakuan N
Subset for alpha
= 0.05
1
larutan jeruk nipis 25% 9 13.5378
natrium metabisulfit 0,2% 9 14.0744
natrium metabisulfit 0,1% 9 14.2433
aquades 9 14.4678
larutan jeruk nipis 50% 9 14.5367
natrium metabisulfit 0,05% 9 14.6589
larutan jeruk nipis 75% 9 15.0444
Sig. .161
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 9.000.
7.1.5. Uji Beda Nyata Produk Cookies
L
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3
natrium metabisulfit 0.1% 3 56.8567
natrium metabisulfit 0.2% 3 57.2133
natrium metabisulfit 0.05% 3 58.6067
aquades 3 62.0367
jeruk nipis 50% 3 62.1667
jeruk nipis 25% 3 62.7133
jeruk nipis 75% 3 63.5367
tepung terigu 3 65.9400
Sig. .053 .101 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 3.000.
50
a
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3 4 5 6 7
tepung terigu 3 1.5133
aquades 3 1.8600
natrium metabisulfit 0.05% 3 2.0967
natrium metabisulfit 0.1% 3 3.1633
jeruk nipis 75% 3 3.4733
jeruk nipis 50% 3 3.5033
natrium metabisulfit 0.2% 3 4.0433
jeruk nipis 25% 3 4.7400
Sig. 1.000 1.000 1.000 1.000 .595 1.000 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 3.000.
b
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3 4 5 6
jeruk nipis 25% 3 14.7867
jeruk nipis 75% 3 16.2367
jeruk nipis 50% 3 16.6033 16.6033
natrium metabisulfit 0.1% 3 17.5267
natrium metabisulfit 0.05% 3 20.5967
aquades 3 20.7600
natrium metabisulfit 0.2% 3 22.1033
tepung terigu 3 43.8300
Sig. 1.000 .475 .084 .749 1.000 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 3.000.
51
Tekstur
Duncana
Perlakuan N
Subset for alpha = 0.05
1 2 3 4
natrium metabisulfit 0.05% 3 1292.0333
natrium metabisulfit 0.1% 3 1298.1333
natrium metabisulfit 0.2% 3 1319.3667
tepung terigu 3 1355.5667
aquades 3 1607.2333
jeruk nipis 25% 3 2035.2333
jeruk nipis 75% 3 2144.3667
jeruk nipis 50% 3 2274.0667
Sig. .284 1.000 .055 1.000
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 3.000.
7.1.6. Uji Mann Whitney Produk Cookies Sensori
Perendaman aquades dengan natrium metabisulfit 0,05
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 354.500 314.000 417.000 385.500 447.500
Wilcoxon W 819.500 779.000 882.000 850.500 912.500
Z -1.527 -2.134 -.509 -.995 -.040
Asymp. Sig. (2-tailed) .127 .033 .611 .320 .968
a. Grouping Variable: perlakuan
Perendaman aquades dengan natrium metabisulfit 0,1
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 198.000 248.500 388.000 310.000 303.500
Wilcoxon W 663.000 713.500 853.000 775.000 768.500
Z -3.893 -3.117 -.962 -2.153 -2.287
Asymp. Sig. (2-tailed) .000 .002 .336 .031 .022
a. Grouping Variable: perlakuan
52
Perendaman natrium metabisulfit 0,05 dengan natrium metabisulfit 0,1
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 138.500 140.000 361.000 364.000 295.000
Wilcoxon W 603.500 605.000 826.000 829.000 760.000
Z -4.771 -4.758 -1.367 -1.331 -2.455
Asymp. Sig. (2-tailed) .000 .000 .172 .183 .014
a. Grouping Variable: perlakuan
Perendaman aquades dengan natrium metabisulfit 0,2%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 126.000 157.500 361.000 228.500 204.000
Wilcoxon W 591.000 622.500 826.000 693.500 669.000
Z -4.957 -4.466 -1.403 -3.413 -3.826
Asymp. Sig. (2-tailed) .000 .000 .161 .001 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,05% dengan natrium metabisulfit 0,2%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 76.500 78.000 337.000 270.500 185.000
Wilcoxon W 541.500 543.000 802.000 735.500 650.000
Z -5.671 -5.648 -1.757 -2.821 -4.151
Asymp. Sig. (2-tailed) .000 .000 .079 .005 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,1% dengan natrium metabisulfit 0,2%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 346.500 302.000 431.000 361.500 343.500
Wilcoxon W 811.500 767.000 896.000 826.500 808.500
Z -1.617 -2.329 -.300 -1.394 -1.681
Asymp. Sig. (2-tailed) .106 .020 .764 .163 .093
a. Grouping Variable: perlakuan
53
Perendaman aquades dengan larutan jeruk nipis 25%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 105.500 176.000 285.000 336.500 439.500
Wilcoxon W 570.500 641.000 750.000 801.500 904.500
Z -5.282 -4.199 -2.518 -1.735 -.163
Asymp. Sig. (2-tailed) .000 .000 .012 .083 .871
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,05% dengan larutan jeruk nipis 25%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 57.500 86.500 322.000 389.000 438.000
Wilcoxon W 522.500 551.500 787.000 854.000 903.000
Z -5.972 -5.529 -1.951 -.939 -.188
Asymp. Sig. (2-tailed) .000 .000 .051 .348 .851
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,1% dengan larutan jeruk nipis 25%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 317.000 334.500 240.000 433.000 310.000
Wilcoxon W 782.000 799.500 705.000 898.000 775.000
Z -2.091 -1.811 -3.206 -.261 -2.165
Asymp. Sig. (2-tailed) .037 .070 .001 .794 .030
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,2% dengan larutan jeruk nipis 25%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 427.500 419.000 219.000 351.500 222.500
Wilcoxon W 892.500 884.000 684.000 816.500 687.500
Z -.357 -.493 -3.549 -1.537 -3.517
Asymp. Sig. (2-tailed) .721 .622 .000 .124 .000
a. Grouping Variable: perlakuan
54
Perendaman aquades dengan larutan jeruk nipis 50%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 203.000 206.500 211.000 344.500 420.500
Wilcoxon W 668.000 671.500 676.000 809.500 885.500
Z -3.839 -3.742 -3.658 -1.622 -.461
Asymp. Sig. (2-tailed) .000 .000 .000 .105 .645
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit dengan larutan jeruk nipis 50%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 137.000 107.000 253.000 400.000 413.000
Wilcoxon W 602.000 572.000 718.000 865.000 878.000
Z -4.798 -5.229 -3.019 -.767 -.584
Asymp. Sig. (2-tailed) .000 .000 .003 .443 .560
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit dengan larutan jeruk nipis 50%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 449.500 388.500 171.000 431.500 293.500
Wilcoxon W 914.500 853.500 636.000 896.500 758.500
Z -.008 -.969 -4.277 -.284 -2.417
Asymp. Sig. (2-tailed) .994 .333 .000 .777 .016
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit dengan larutan jeruk nipis 50%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 342.000 365.500 148.000 354.500 215.500
Wilcoxon W 807.000 830.500 613.000 819.500 680.500
Z -1.688 -1.328 -4.641 -1.468 -3.597
Asymp. Sig. (2-tailed) .091 .184 .000 .142 .000
a. Grouping Variable: perlakuan
55
Perendaman larutan jeruk nipis 25% dengan larutan jeruk nipis 50%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 315.000 397.500 388.500 448.000 436.500
Wilcoxon W 780.000 862.500 853.500 913.000 901.500
Z -2.156 -.823 -.965 -.030 -.208
Asymp. Sig. (2-tailed) .031 .410 .335 .976 .835
a. Grouping Variable: perlakuan
Perendaman aquades dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 218.500 240.500 102.000 263.500 161.000
Wilcoxon W 683.500 705.500 567.000 728.500 626.000
Z -3.565 -3.198 -5.421 -2.886 -4.474
Asymp. Sig. (2-tailed) .000 .001 .000 .004 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,05% dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 156.000 146.500 125.000 214.500 147.000
Wilcoxon W 621.000 611.500 590.000 679.500 612.000
Z -4.484 -4.614 -5.081 -3.616 -4.700
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,1% dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 439.500 401.000 71.000 163.000 96.500
Wilcoxon W 904.500 866.000 536.000 628.000 561.500
Z -.163 -.760 -5.847 -4.378 -5.419
Asymp. Sig. (2-tailed) .871 .447 .000 .000 .000
a. Grouping Variable: perlakuan
56
Perendaman natrium metabisulfit 0,2% dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 359.500 379.500 65.000 121.500 63.000
Wilcoxon W 824.500 844.500 530.000 586.500 528.000
Z -1.410 -1.090 -5.965 -5.026 -5.936
Asymp. Sig. (2-tailed) .159 .276 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman larutan jeruk nipis 25% dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 336.500 406.000 196.500 191.500 197.500
Wilcoxon W 801.500 871.000 661.500 656.500 662.500
Z -1.807 -.679 -4.063 -3.949 -3.922
Asymp. Sig. (2-tailed) .071 .497 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman larutan jeruk nipis 50% dengan larutan jeruk nipis 75%
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 439.000 447.500 224.500 189.000 195.500
Wilcoxon W 904.000 912.500 689.500 654.000 660.500
Z -.173 -.039 -3.671 -3.991 -3.958
Asymp. Sig. (2-tailed) .863 .969 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman aquades dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 30.500 19.000 72.500 81.000 33.500
Wilcoxon W 495.500 484.000 537.500 546.000 498.500
Z -6.564 -6.824 -5.890 -5.666 -6.416
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
57
Perendaman natrium metabisulfit 0,05% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 9.500 1.000 81.000 89.500 27.500
Wilcoxon W 474.500 466.000 546.000 554.500 492.500
Z -6.825 -7.069 -5.767 -5.553 -6.532
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,1% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 108.500 39.000 109.500 112.500 101.000
Wilcoxon W 573.500 504.000 574.500 577.500 566.000
Z -5.434 -6.569 -5.372 -5.206 -5.465
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman natrium metabisulfit 0,2% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 154.500 78.000 87.500 143.000 115.500
Wilcoxon W 619.500 543.000 552.500 608.000 580.500
Z -4.768 -6.055 -5.703 -4.801 -5.270
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman larutan jeruk nipis 25% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 135.000 62.000 48.500 132.500 51.000
Wilcoxon W 600.000 527.000 513.500 597.500 516.000
Z -5.053 -6.260 -6.244 -4.922 -6.151
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
58
Perendaman larutan jeruk nipis 50% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 72.000 58.000 24.000 158.000 73.500
Wilcoxon W 537.000 523.000 489.000 623.000 538.500
Z -5.917 -6.302 -6.620 -4.564 -5.858
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
Perendaman larutan jeruk nipis 75% dengan cookies tepung terigu
Test Statisticsa
kekerasan kerenyahan rasa warna overall
Mann-Whitney U 88.500 103.000 21.500 54.000 7.500
Wilcoxon W 553.500 568.000 486.500 519.000 472.500
Z -5.681 -5.701 -6.826 -6.126 -6.862
Asymp. Sig. (2-tailed) .000 .000 .000 .000 .000
a. Grouping Variable: perlakuan
7.2.Dokumentasi
7.2.1. Proses Pembuatan Tepung
Gambar 6. Pengupasan Kulit
59
Gambar 7. Pisang yang telah diiris
Gambar 8. Pengeringan Pisang
Gambar 9. Tepung Pisang
60
Gambar 10. Cookies Tepung Pisang
Gambar 11. Sensori Organoleptik
61
7.2.2. Standar Nasional Indonesia Tepung Pisang (SNI 01-3841-1995)
Tabel 12. Standar Nasional Indonesia Tepung Pisang (SNI 01-3841-1995)
No Kriteria Uji Satuan Persyaratan
Jenis A Jenis B
1.
1.1.
1.2.
1.3.
Keadaan :
Bau
Rasa
Warna
-
-
-
Normal
Normal
Normal
Normal
Normal
Normal
2. Benda asing - Tidak boleh ada Tidak boleh ada
3. Serangga (dalam bentuk
stadia dan potongan-
potongannya)
- Tidak boleh ada Tidak boleh ada
4. Jenis pati lain selain pisang - Tidak boleh ada Tidak boleh ada
5. Kehalusan lolos ayakan 60
mesh
% b/b Min. 95 Min. 95
6. Air % b/b Maks. 5 Maks. 12
7. Bahan tambahan pangan - Sesuai dengan SNI 01-0222- 1987*
8. Sulfit (SO2) Mg / kg Negatif Maks. 10
9.
9.1.
9.2.
9.3.
9.4.
Cemaran logam :
Timbal (Pb)
Tembaga (Cu)
Seng (Zn)
Raksa (Hg)
Mg / kg
Mg / kg
Mg / kg
Mg / kg
Maks. 1,0
Maks. 10,0
Maks. 10,0
Maks. 0,05
Maks. 1,0
Maks. 10,0
Maks. 10,0
Maks. 0,05
10. Cemaran arsen (AS) Mg / kg Maks. 0,05 Maks. 0,05
11.
11.1.
11.2.
11.3.
11.4.
11.5.
11.6.
Cemaran mikroba:
Angka lempeng total
Bakteri bentuk coli
Ascherichia coli
Kapang dan khamir
Salmonella/ 25 gram
Staphilococus aureus/ g
Koloni/g
APM/g
Koloni.g
-
-
-
Maks. 104
0
0
Maks 102
Negatif
Negatif
Maks. 106
0
Maks 106
Maks 104
-
-
*Atau revisinya
62
7.2.3. Scoresheet Uji Organoleptik
UJI RATING HEDONIK
Nama Panelis :
Tanggal :
Produk : Cookies Tepung Pisang
Atribut : Kekerasan
Instruksi:
Berkumur-kumurlah dulu sebelum
menguji sampel.
Di hadapan Anda terdapat sampel
cookies. Cicipilah setiap sampel lalu
berikan nilai sesuai dengan tingkat
kesukaan anda pada kekerasan cookies
tersebut. Atribut kekerasan yang dinilai
adalah kekerasan cookies pada saat
pertama digigit. Beri nilai dari yang
paling Anda sangat tidak suka (=1),
tidak suka (=2), netral (=3), suka (=4)
dan sangat suka (=5). Nilai boleh sama
untuk sampel yang berbeda.
Kode
Sampel
Rating
UJI RATING HEDONIK
Nama Panelis :
Tanggal :
Produk : Cookies Tepung Pisang
Atribut : Kerenyahan
Instruksi:
Berkumur-kumurlah dulu sebelum
menguji sampel.
Di hadapan Anda terdapat sampel
cookies. Cicipilah setiap sampel lalu
berikan nilai sesuai dengan tingkat
kesukaan anda pada kerenyahan cookies
tersebut. Atribut kerenyahan yang dinilai
adalah kerenyahan cookies pada saat
anda mengunyah cookies tersebut. Beri
nilai dari yang paling Anda sangat tidak
suka (=1), tidak suka (=2), netral (=3),
suka (=4) dan sangat suka (=5). Nilai
boleh sama untuk sampel yang berbeda.
Kode
Sampel
Rating
63
UJI RATING HEDONIK
Nama Panelis :
Tanggal :
Produk : Cookies Tepung Pisang
Atribut : Rasa
Instruksi:
Berkumur-kumurlah dulu sebelum
menguji sampel.
Di hadapan Anda terdapat sampel
cookies. Cicipilah setiap sampel lalu
berikan nilai sesuai dengan tingkat
kesukaan anda pada rasa cookies
tersebut. Beri nilai dari yang paling
Anda sangat tidak suka (=1), tidak suka
(=2), netral (=3), suka (=4) dan sangat
suka (=5). Nilai boleh sama untuk
sampel yang berbeda.
Kode
Sampel
Rating
UJI RATING HEDONIK
Nama Panelis :
Tanggal :
Produk : Cookies Tepung Pisang
Atribut : Warna
Instruksi:
Berkumur-kumurlah dulu sebelum
menguji sampel.
Di hadapan Anda terdapat sampel
cookies. Lihatlah warna setiap sampel
lalu berikan nilai sesuai dengan tingkat
kesukaan anda pada warna cookies
tersebut. Beri nilai dari yang paling
Anda sangat tidak suka (=1), tidak suka
(=2), netral (=3), suka (=4) dan sangat
suka (=5). Nilai boleh sama untuk
sampel yang berbeda.
Kode
Sampel
Rating
64
UJI RATING HEDONIK
Nama Panelis :
Tanggal :
Produk : Cookies Tepung Pisang
Atribut : Overall
Instruksi:
Berkumur-kumurlah dulu sebelum menguji sampel.
Di hadapan Anda terdapat sampel cookies. Cicipilah setiap sampel lalu berikan nilai
sesuai dengan tingkat kesukaan anda pada cookies tersebut secara keseluruhan. Beri nilai
dari yang paling Anda sangat tidak suka (=1), tidak suka (=2), netral (=3), suka (=4) dan
sangat suka (=5). Nilai boleh sama untuk sampel yang berbeda.
Kode
Sampel
Rating
65