Fig. 3A: Starch Hydrolysis by
Bacillus subtilis on Starch Agar
The clear zone around the growth of Bacillus subtilis no longer contains
starch to react with the iodine. The starch was hydrolized by a diastase produced
by the bacterium.
Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017