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Thursday, October 31, 2013

Starch Hydrolysis Test

We used the starch hydrolysis test to see if our bacteria are able to hydrolyze or digest starch.

We first obtained a starch agar plate and used the aseptic technique to inoculate the starch agar plate with a loopful of bacteria from our agar slant culture.





















We then incubated the inoculated plate upside down at 35 degrees Celsius for two days.

After incubation we flooded the starch agar surface with Gram's iodine. After flooding the agar plate we waited 30 seconds to a minute to determine whether our bacteria are able to digest starch.


After a minute we determined that our bacteria are not able to digest starch.


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