!

!"#$ !!"$ !%&$'

())*+,-% !"#!!"!%&' ./*.0)*

1 !"#'!!"!%&2!%& '3'

!

! "#$%% & '%

( ! % %)%%!*%"#(+*,%%'((+'

(-. /0123' #& ' 21( #(+* ((+'%&& ! #(-. ' !

*%%%%& % 3!),! 455-% !%"#)#%

Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Sosio Yustisia, Bulaksumur, Yogyakarta 55281.Jurusan Teknologi Pangan dan Hasil Pertanian,

6% % %& " # ()"#(+*((+(-. !%/0%%6%%& "(+*((+(-. % % !7

"#%"#+%!) 8)' )%"#)# (+* ((+ (-.

.%%-*%"$#9!%(%8:;)99%/* ( (*% /&28(2)%%75)05%%%%%)) %45 %9%%%47?@%9%&%!

9%)%>4)3%)'';@' ):1@%%

(("#(+*((+(-.(%6% ) %).%%

!"

$%$%!%( 6 %B!

9%%%

6% :%

C% )!

!.!"# 40/55$

9%75)%4 ''8)''5307>7&B":!''7555:%55''8)''55730757A%75A

+5A@

40''8)55375%47?@*%5573 # 5 (%

0

50

100

150

200

250

300

350

400

450

500

0 10 20 30 40 50

Time after slicing (hours)

Eth

ylen

e pr

oduc

tion

[nL

/ (g

j)]

0

2

4

6

8

10

12

14

16

PO

D (unit/g)

Ethylene; 4,5 cm2/gEthylene; 15,5 cm2/gPOD; 4,5 cm2/gPOD; 15,5 cm2/g

0

500

1000

1500

2000

2500

3000

0 10 20 30 40 50Time after slicing (hours)

PP

O (

Uni

t/g)

0

200

400

600

800

1000

1200

PA

L [nmol / (g j)]

PPO; 4,5 cm2/gPPO; 15,5 cm2/gPAL; 4,5 cm2/gPAL; 15,5 cm2/g

0

200

400

600

800

1000

0 10 20 30 40 50

Time after slicing (hours)

Tot

al p

heno

lic s

ubst

ance

s (

g/g)

TP; 4,5 cm2/gTP; 15,5 cm2/g

" (+* 3"(+*%% % * %& "(+*%%&&%"(+* !%4F

!%%"#(-.) !% % ,9*%%&%#(-.!%5%!%"(-.%:!"(-.

! %& (-. !"&%(-.:%#(-.%%!%,9%-)"(-./%& " (-.; %"(-.!3)"((+(-. %&'

*%%&% " #&' #(+*'%&!%!

(%&'!,@! %& & ' ! (%%8 ! & %%%!

#$ %$$$ '(!&""%#

* ! "(+*((+(-.

6 %G(+*%G((+%(-.'6(''&'H'&H%

;&%%47?@(%B% 6

' % (+* ((+ (-. 6(%% I.B!J CB CB IB!J DB

)& 57 55

% ,47 ,0 -9 -9@ & *, 4 %%&8)'547A5"#(+*((+(-.!&'

9%7?@%,)!"#6!%)&'*'"#:%8)'

,

0

500

1000

1500

2000

2500

0 5 10 15 20 25

Time after slicing (hours)

PP

O (

Uni

t);T

otal

phe

nolic

(g

/g)

0

200

400

600

800

1000

PA

L [nmol / (g j)]

PPO;ControlPPO;DipTP;ControlTP;DipPAL;ControlPAL;Dip

0

50

100

150

200

250

300

0 5 10 15 20 25

Time after slicing (hours)

Eth

ylen

e pr

oduc

tion

[nL

/ (g

j)]

0

1

2

3

4

5

6

PO

D (U

nit/g)

Ethylene;ControlEthylene;Sulfite+SteamPOD;ControlPOD;Sulfite+Steam

"#$&( !"#$ !!"$ !%&$

!$. /+,-+$

( 7?@7 "#=#(%% 7?@7?@ !%'#%#%''(((+ % # %)

+

'% % )#-@@)%=' %! %& 8)'%

"#$(( !"#$.

0

500

1000

1500

2000

2500

0 5 10 15 20 25

Time after slicing (hours)

PP

O (

Uni

t);T

otal

phe

nolic

(g

/g)

0

200

400

600

800

1000

PA

L [nmol / (g j)]

PPO;ControlPPO;Sulfite+SteamTP;ControlTP;Sulfite+SteamPAL;ControlPAL;Sulfite+Steam

0

50

100

150

200

250

300

0 5 10 15 20 25

Time after slicing (hours)

Eth

ylen

e pr

oduc

tion

[nL

/ (g

j)]

0

1

2

3

4

5

6

PO

D (U

nit/g)

Ethylene;ControlEthylene;Sulfite+SteamPOD;ControlPOD;Sulfite+Steam

"#$( !"#$ !!"$ !%&$

!$.7*+8 9+,-0$

7?@7'' % "#=%&'!)&&)!'

0

50

100

150

200

250

300

0 5 10 15 20 25

Time after slicing (hours)

Eth

ylen

e pr

oduc

tion

[nL

/ (g

j)]

ControlSulfiteSteamDipSulfite+SteamSulfite+Dip

0

1

2

3

4

5

6

7

0 5 10 15 20 25

Time after slicing (hours)

PO

D (

Un

it/g

)

ControlSulfiteSteamDipSulfite+SteamSulfite+Dip

0

500

1000

1500

2000

2500

0 5 10 15 20 25

Time after slicing (hours)

PP

O (

Un

it/g

)

ControlSulfiteSteamDipSulfite+SteamSulfite+Dip

0

100

200

300

400

500

600

700

800

900

1000

0 5 10 15 20 25

Time after slicing (hours)

PA

L [

nm

ol /

(g

j)]

ControlSulfiteSteamDipSulfite+SteamSulfite+Dip

0

50

100

150

200

250

300

350

400

450

0 5 10 15 20 25

Time after slicing (hours)

To

tal p

hen

olic

su

bst

ance

s (

g/g

) ControlSulfiteSteamDipSulfite+SteamSulfite+Dip

"#$)! !!"$ !%&$ !$.

+

(%&> %"#

(+*'((+'(-.*%(+*%((+%(-.&!!% "(-. ! !

4 ( & ' %%!%

()8'%"#

@

1;! 6% '' ' 4)7 ) % ' % " ' ))))G % ' %)&'@G!-!50>7)05

1:;2 %)%%' % ) !!07)5

1:;2 %)%''@ !=&-(44)40

=612%7/')) )G % & '& H% ' '''%!-!40>0)0

=61=EE)% 1 ) ))G%'&H%'!1-!40)0

8/-81=66%%%"% ' ' : : ;>;74>0)

/6-%1/C0/"%'%!/>6#