PENGARUH STEAM BLANCHING DAN PERENDAMAN DENGAN LARUTAN ASAM SITRAT TERHADAP KUALITAS LEMPUYANG (Zingiber aromaticum Val.) YANG DIKERINGKAN DENGAN SOLAR TUNNEL DRYER

42

7.1. Hasil Pengolahan Data menggunakan SPSS

7.1.1. Uji Normalitas



Aktivitas Air



Aktivitas Antioksidan



Kadar Kurkumin

Tests of Normality

Kolmogorov-Smirnov

a

Shapiro-Wilk

Statistic

df

Sig.

Statistic

df

Sig.

AW_Segar

,071

54

,200

*

,958

54

,054

AW_Kering

,118

54

,059

,954

54

,037

*. This is a lower bound of the true significance.

a. Lilliefors Significance Correction

Tests of Normality

Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. AntioksidanSegar_WET ,112 54 ,086 ,951 54 ,028 AntioksidanSegar_DRY ,063 54 ,200* ,971 54 ,215 AntioksidanKering_WET ,105 54 ,200* ,920 54 ,001 AntioksidanKering_dry ,111 54 ,096 ,925 54 ,002 *. This is a lower bound of the true significance.

a. Lilliefors Significance Correction

Tests of Normality

Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. KurkuminKering_WET ,198 54 ,153 ,838 54 ,242 KurkuminKering_DRY ,187 54 ,200* ,844 54 ,009 KurkuminSegar_WET ,185 54 ,200* ,870 54 ,055 KurkuminSegar_DRY ,252 54 ,168 ,821 54 ,034 a. Lilliefors Significance Correction



Intensitas Warna

7.1.2. Uji

One Way

Anova



Aktivitas Air

Tests of Normality

Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. Segar_L ,158 54 ,082 ,906 54 ,026 Segar_a ,085 54 ,200* ,976 54 ,343 Segar_b ,071 54 ,200* ,974 54 ,282 Kering_L ,062 54 ,200* ,972 54 ,233 Kering_a ,107 54 ,183 ,955 54 ,042 Kering_b ,138 54 ,092 ,940 54 ,009 *. This is a lower bound of the true significance.

a. Lilliefors Significance Correction

AW_Segar

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 Kontrol 9 ,98256 SB 9 ,98433 ,98433 AS 0,5% 9 ,98856 ,98856 ,98856 SBAS 0,5% 9 ,99089 ,99089 AS 1% 9 ,99133 SBAS 1% 9 ,99289 Sig. ,073 ,051 ,211

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.



Aktivitas Antioksidan

AW_Kering

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 AS 1% 9 ,39067 SB 9 ,39244 SBAS 1% 9 ,39922 SBAS 0,5% 9 ,41233 AS 0,5% 9 ,43933 ,43933 Kontrol 9 ,49144 Sig. ,132 ,072

Means for groups in homogeneous subsets are displayed.

a. Uses Harmonic Mean Sample Size = 9,000.

AntioksidanKering_WET

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 4 Kontrol 9 38,15211 AS 0,5% 9 58,64133 SB 9 69,69278 AS 1% 9 75,02578 75,02578 SBAS 0,5% 9 76,15111 76,15111 SBAS 1% 9 78,51456 Sig. 1,000 1,000 ,132 ,415

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.



Kadar Kurkumin

KurkuminKering_WET

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 4 Kontrol 9 482,81700 AS 0,5% 9 597,93478 AS 1% 9 620,34278 SB 9 629,63656 SBAS 0,5% 9 651,85867 SBAS 1% 9 659,91333 Sig. 1,000 1,000 ,288 ,356

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.

AntioksidanSegar_WET

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 SBAS 1% 9 33,9944 SB 9 36,0726 36,0726 AS 1% 9 36,4460 36,4460 AS 0,5% 9 38,8924 38,8924 SBAS 0,5% 9 41,2747 41,2747 Kontrol 9 46,8222 Sig. ,227 ,074

Means for groups in homogeneous subsets are displayed.

KurkuminKering_DRY

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 4 Kontrol 9 503,34478 AS 0,5% 9 622,14789 AS 1% 9 641,31300 SB 9 647,72789 SBAS 0,5% 9 671,04211 SBAS 1% 9 682,50600 Sig. 1,000 1,000 ,496 ,226

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.

KurkuminSegar_WET

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 4 5 Kontrol 9 158,38500 SB 9 168,79389 SBAS 0,5% 9 224,72133 AS 0,5% 9 226,91022 AS 1% 9 311,68944 SBAS 1% 9 325,46456 Sig. 1,000 1,000 ,587 1,000 1,000

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.

KurkuminSegar_DRY

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 4 5 Kontrol 9 530,05444 SB 9 678,63433 AS 0,5% 9 713,95489 AS 1% 9 785,95367 SBAS 0,5% 9 1141,76778 SBAS 1% 9 1713,17533 Sig. 1,000 ,151 1,000 1,000 1,000

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.



Intensitas Warna

Segar_L

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 SB 9 65,6878 SBAS 1% 9 69,1356 69,1356 SBAS 0,5% 9 69,3811 69,3811 AS 1% 9 69,8467 69,8467 Kontrol 9 70,3722 AS 0,5% 9 71,0856 Sig. ,059 ,388

Means for groups in homogeneous subsets are displayed.

Segar_a

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 SBAS 1% 9 -3,3356 SBAS 0,5% 9 -3,1589 Kontrol 9 -2,9644 -2,9644 SB 9 -2,8956 -2,8956 AS 0,5% 9 -2,8411 -2,8411 AS 1% 9 -1,0511 Sig. ,637 ,061

Means for groups in homogeneous subsets are displayed.

a. Uses Harmonic Mean Sample Size = 9,000.

Segar_b

Duncana

Perlakuan N

Subset for alpha = 0.05 1 SB 9 34,9989 AS 1% 9 36,9800 SBAS 0,5% 9 37,9744 Kontrol 9 38,9389 SBAS 1% 9 40,5167 AS 0,5% 9 41,5622 Sig. ,102

Means for groups in homogeneous subsets are displayed.

a. Uses Harmonic Mean Sample Size = 9,000.

Kering_L

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 SB 9 72,8922 SBAS 0,5% 9 75,0456 75,0456 Kontrol 9 75,9211 SBAS 1% 9 76,7278 AS 0,5% 9 79,7533 AS 1% 9 80,1111 Sig. ,105 ,230 ,785

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.

Kering_a

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 3 AS 0,5% 9 -,5978 AS 1% 9 ,3033 Kontrol 9 ,5767 SBAS 0,5% 9 1,0589 1,0589 SBAS 1% 9 1,4400 SB 9 1,4811 Sig. 1,000 ,060 ,291

Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 9,000.

Kering_b

Duncana

Perlakuan N

Subset for alpha = 0.05

1 2 SB 9 19,7056 SBAS 1% 9 20,4700 20,4700 AS 1% 9 21,4278 21,4278 Kontrol 9 22,5133 AS 0,5% 9 22,7878 SBAS 0,5% 9 22,9067 Sig. ,155 ,057

Means for groups in homogeneous subsets are displayed.

7.1.3. Uji T



Aktivitas Air



Kurkumin (

Drybasis

)



Antioksidan (

Drybasis

)

7.2.

Drybasis

%

Inhibition

Antioksidan Lempuyang

Perlakuan

%

Inhibition (dry basis)

Sebelum Pengeringan

Setelah Pengeringan

K

155,558 ± 0,305

bc,1

_{39,718 ± 0,108}

a,2

AS 0,5%

123,732 ± 0,460

ab,1

61,027 ± 0,081

b,2

AS 1%

91,120 ± 0,267

a,1

77,555 ± 0,079

cd,1

SB

145,553 ± 0,459

bc,1

_{71,694 ± 0,062}

c,2

SBAS 0,5% 208,736 ± 0,598

d,1

78,415 ± 0,102

cd,2

SBAS 1%

178,656 ± 0,356

cd,1

81,257 ± 0,092

d,2

Keterangan :

1.

Semua nilai merupakan nilai rata-rata ± standar deviasi

2.

Nilai dengan

superscript

yang berbeda dalam satu kolom yang sama, menunjukkan adanya

perbedaan yang nyata antar perlakuan pada tingkat kepercayaan 95% (p < 0,05) dengan

menggunakan uji Duncan.

3.

Nilai dengan

superscript

yang berbeda dalam satu baris yang sama, menunjukkan adanya

perbedaan yang nyata antar perlakuan pada tingkat kepercayaan 95% (p < 0,05) dengan

menggunakan uji T.

4.

Perlakuan K = Kontrol; Perlakuan AS 0,5% = perendaman asam sitrat 0,5% selama 5 menit;

Perlakuan AS 1% = perendaman asam sitrat 1% selama 5 menit; Perlakuan SB =

steam

blanching selama 5 menit; Perlakuan SBAS 0,5% =

steam blanching selama 5 menit +

perendaman asam sitrat 0,5% selama 5 menit; Perlakuan SBAS 1% = steam blanching selama 5

menit + perendaman asam sitrat 1% selama 5 menit

7.3.

Wetbasis

Kadar Kurkumin Lempuyang

Perlakuan

Kadar Kurkumin (

dry basis)

Sebelum Pengeringan

Setelah Pengeringan

K

153,385 ± 6,766

a,1

_{482,817 ± 5,319}

a,2

AS 0,5%

226,910 ± 7,354

c,1

597,935 ± 16,711

b,2

AS 1%

311,689 ± 6,121

d,1

620,343 ± 9,637

c,2

SB

168,794 ± 14,038

b,1

629,637 ± 25,351

c,2

SBAS 0,5% 224,721 ± 9,463

c,1

651,859 ± 17,246

d,2

SBAS 1%

325,465 ± 3,123

e,1

659,913 ± 26,073

d,2

Keterangan :

1.

Semua nilai merupakan nilai rata-rata ± standar deviasi

2.

Nilai dengan

superscript

yang berbeda dalam satu kolom yang sama, menunjukkan adanya

perbedaan yang nyata antar perlakuan pada tingkat kepercayaan 95% (p < 0,05) dengan

menggunakan uji Duncan.

3.

Nilai dengan

superscript

yang berbeda dalam satu baris yang sama, menunjukkan adanya

perbedaan yang nyata antar perlakuan pada tingkat kepercayaan 95% (p < 0,05) dengan

menggunakan uji T.

4.

Perlakuan K = Kontrol; Perlakuan AS 0,5% = perendaman asam sitrat 0,5% selama 5 menit;

Perlakuan AS 1% = perendaman asam sitrat 1% selama 5 menit; Perlakuan SB =

steam

blanching selama 5 menit; Perlakuan SBAS 0,5% =

steam blanching selama 5 menit +

perendaman asam sitrat 0,5% selama 5 menit; Perlakuan SBAS 1% = steam blanching selama 5

menit + perendaman asam sitrat 1% selama 5 menit

7.3. Persamaan Kurva Standar Analisis Kurkumin

7.3. Analisis

Aspergillus flavus

pada Lempuyang Kering

Kontrol

Asam Sitrat 0,5%

Asam Sitrat 1%

Steam Blanching

Steam Blanching

+ Asam

Sitrat 0,5%

Steam Blanching

+ Asam