Fig. 11B: No Starch Hydrolysis
by Escherichia coli on Starch Agar
![](images/starchec.JPG)
The starch was not hydrolized by the Escherichia coli on the left.
The starch reacts with the iodine producing the dark color.
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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