Discussion Pengaruh iradiasi gamma (60Co) dengan berbagai laju dosis pada senyawa antigizi isoflavon dan warna kacang kedelai
40 60
80 100
120 140
10 20
30 40
50 60
Irradiation time h
F ree dai
dze in
ug g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
40 60
80 100
120 140
10 20
30 40
50 60
Irradiasi time h
F ree geni
st ei
n ug
g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
a b
175 225
275 325
375 425
10 20
30 40
50 60
irradiation time h
T ot
al dai
dze in
ug g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
175 225
275 325
375 425
10 20
30 40
50 60
Irradiation time h
T ot
al geni
st ei
n ug
g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
c d
Figure 1. Changes in isoflavones of soybean after radiation processing at different dose-rates a free daidzein; b free genistein; c total daidzein and
d total genistein.
40 60
80 100
120 140
10 20
30 40
50 60
70 80
Radiation dose kGy
F ree dai
dze in
ug g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
40 60
80 100
120 140
10 20 30 40 50 60 70 80 Radiation dose kGy
F ree geni
st ei
n ug
g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
a b
175 225
275 325
375 425
10 20
30 40
50 60
70 80
Radiation dose kGy
T ot
al dai
dze in
ug g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
175 225
275 325
375 425
10 20
30 40
50 60
70 80
Radiation dose kGy
T ot
al geni
st ei
n ug
g
1.30 kGyh 3.17 kGyh
5.71 kGyh 8.82 kGyh
c d
Figure 2. Changes of isoflavone concentrations of soybean as affected by irradiation dose absorbed at different dose-rates a free daidzein;
b free genistein; c total daidzein and d total genistein.
Acknowledgment
The authors would like to express sincere thanks to Center for Application of Isotopes and Radiation Technology PATIR of National Nuclear Energy
Agency BATAN and Southeast Asian Food and Agricultural Science and Technology SEAFAST of Bogor Agricultural University, for supporting the
research work.
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