S.no.
Time of exposure
in minutes
Isolate code
Zone of starch hydrolysis (mm)
Alpha-amylase activity (U/ml)
in Pikovskay’s medium
1
80
UV-1
21 ± 1
903 ± 6
2
UV-2
24 ± 4
2633 ± 58
3
90
UV-3
43 ± 6
3967 ± 58
4
UV-4
21 ± 4
1830 ± 52
5
100
UV-5
27 ± 4
2433 ± 58
6
UV-6
22 ± 2
1417 ± 29
7
110
UV-7
20 ± 2
1633 ± 58
8
UV-8
27 ± 4
2533 ± 58
9
120
UV-9
18 ± 4
823 ± 4
10
UV-10
33 ± 5
3867 ± 58
Values presented in the table are means of triplicates ± SD
Table 1:
Ultra violet treated mutant isolates showing α-amylase potency in starch media and Pikovskaya’s Medium.
