Garlic Effects Bacteria Essay

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Introduction This lab was conducted to test the effects of garlic when exposed to two different strains of bacteria. Garlic has been used throughout many centuries to treat common ailments from seasickness to intestinal parasites (Ankri and Mirelman, 1999). With the information gathered from this lab, we can conclude whether or not our predecessors were on the right track with this natural remedy.
Another reason for doing this experiment is to observe how natural antibiotics affect modern bacteria. With our modern medicine, people are diagnosed with a sickness and are given an antibiotic to ward it off. The patient is warned to take the entire contents of the medicine to ensure that all of the bacteria they are harboring are killed but
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These bacteria are often more dangerous to our immune system because they are camouflaged and have a harder time being discovered. My group predicted that if S. marcenscens is exposed to crushed garlic soaked filter paper, then the growth of the bacteria would be inhibited more than it would be with the rinsed garlic or water filter papers because it would contain a higher potency of the chemical released from the breaking down of the garlic’s cell walls.

Methods To conduct this experiment, the first thing we had to do was collect our materials. Our instructor had previously prepared our petri dishes by sterilizing them and filling them with agar, the food source for our bacteria (Gibson, 2014). We then needed a sterile cotton swab, a vial of S. marcenscens, two cloves of garlic, eighteen sterile circles of filter paper, two glass bowls, tweezers, a garlic press, a stirring rod, a graduated cylinder, a timer, an incubator, a sharpie, a ruler, tape, and our instruction manual (Vodopich, 2014). We used the cotton swab to dip into the vial of S. marcenscens and then transfer a thin layer of the bacteria over the agar. We divided the petri dishes into three regions labeled C, R, and W. They stood for crushed, rinsed, and water (Fig. 1). We then determined that we would soak each variation in 5 ml of water for one minute apiece. First, we soaked our filter papers in 5 ml of water and timed it for one minute using a phone. Then, we used the tweezers to place the one of the
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