PENGARUH JENIS LARUTAN PERENDAM TERHADAP KUALITAS TEPUNG PISANG KEPOK (Musa paradisiaca) YANG DIAPLIKASIKAN PADA PRODUK COOKIES

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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

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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.

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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.

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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

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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

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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

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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

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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

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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

(18)

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

(19)

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

(20)

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

(21)

Gambar 7. Pisang yang telah diiris

Gambar 8. Pengeringan Pisang

(22)

Gambar 10. Cookies Tepung Pisang

(23)

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 (SO

2

)

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. 10

4

0

0

Maks 10

2

Negatif

Negatif

Maks. 10

6

0

Maks 10

6

Maks 10

4

-

-

*Atau revisinya

(24)

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

(25)

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

(26)

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

(27)

Figur

Gambar 6. Pengupasan Kulit

Gambar 6.

Pengupasan Kulit p.20
Gambar 7. Pisang yang telah diiris

Gambar 7.

Pisang yang telah diiris p.21
Gambar 8. Pengeringan Pisang

Gambar 8.

Pengeringan Pisang p.21
Gambar 11. Sensori Organoleptik

Gambar 11.

Sensori Organoleptik p.22
Gambar 10. Cookies Tepung Pisang

Gambar 10.

Cookies Tepung Pisang p.22
Tabel 12. Standar Nasional Indonesia Tepung Pisang (SNI 01-3841-1995)

Tabel 12.

Standar Nasional Indonesia Tepung Pisang (SNI 01-3841-1995) p.23

Referensi

Memperbarui...