Austin, Steven
Section E
Seat 5B
Common Essential Oils and E. Coli Growth Inhibition
Introduction
Bacteria are one of the most common organism on this planet. They are part of the kingdom Monera, and are also thought to be one of the most ancient organisms. One of their most distinguishing characteristics is their unicellular structure. There are several chemicals that people use in their households to eliminate bacteria.
In this experiment, different household oils will be tested for their effiency in inhibiting bacterial growth. The hypthesis is that none of these oils will have a significant effect on the zone of bacterial inhibition.
Methods
Forceps were soaked in rubbing alcohol before use to prevent cross-contaminatin. A dilute culture of E. coli bacteria was spread on the surface of an agar plate, and sat at room temperature for 20 minutes. The plate was divided into six equal divisions from the center. Six discs of filter paper were each soaked......
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Approximate Word Count: 473
Approximate Pages: 2 (260 words per double-spaced page) |