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Without a point of comparison between the old and the new preservative, one will not be able to clearly say whether the new preservative is indeed a good or better one. Based on the results of the experiment, the only possible conclusion one can arrive at is whether the new preservative can indeed be better than nothing, which is the control sample of cottage cheese.
Now, on the effectiveness of the preservative used in the cottage cheese, the data given is simply not sufficient in establishing this. One reason is that the data on the number and log must be compared with a standard preservative or that of the control sample. Another reason is that the data for the control sample were taken after 5 hours and 29 hours, whereas those for the experimental sample were taken after 6 hours and 38 hours. One should take samples and bacterial counts at exactly the same time in order to eliminate the variable of time difference. Moreover, data on pH is needed because “at neutral pH, such as 7.4, many preservatives do not have antimicrobial effect against Pseudomonas aeruginosa” (Abu-Ghazaleh, 2010). If, therefore, the pH of the experiment cottage cheese were neutral, then no one would be able to expect any observable effectiveness. One last thing is the temperature. The inhibition of P. aeruginosa is possible with a preservative usually only during “7 days of storage at 6, 15, and 21°C” (Bautista et al., 2003). In the experiment, the incubation period is only 24 hours and the temperature is 25°C, which is slightly different from data from previous studies. Based on the conditions in the experiment, it seems that the bacteria cannot be eliminated at a higher temperature and a shorter time of exposure to the new preservative. All these aforementioned factors must be considered before determining the effectiveness of the new
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Bassi and Pasteur both worked on silkworm diseases. Bassi in the year 1835, established that a microscopic organism, a fungus, caused disease in the silk worm. Around 30 years later, in the year 1865, Pasteur established that another microbe, a protozoan, cause infection in silkworms.
Moreover, benefits of non-pathogenic microorganisms in human environment are discussed further on. Variola virus and Staphylococcus epidermis: comparing and contrasting Variola virus infects human beings. It can be transmitted to other humans via face-to-face contact or contact with other objects, or through the air.
The infection routes of pathogens include the ascending route where bacteria pass from the urethra to the bladder and kidney and the haematogenous route where the infection origin is the blood (Tadesse & Alem, 2006).
The clinical features include the lower urinary tract
In the present study, the unknown microorganism present in the Probiotics, maozrella cheese and camembert cheese were analyzed using the biochemical tests such as catalase, oxidase, latex agglutination, Gram’s staining and string test. From the biochemical results it was identified that the unknown microorganisms present in the given samples of probiotics, mozeralla cheese and camembert cheese were Lactobacillus sp, Streptococcus sp and Penicillium sp.
The paper focuses on describing the conditions under which different organisms thrive. The understanding of these basic fundamental aspects in microbiology led to the development of cultures. The main purpose of culture is to foster the growth and multiplication of the microbes in a sample.
Of the foods, poultry was identified as the major source for pathogenic micro organisms mainly concentrated on the raw chicken that are mainly concentrated with Escherichia Coli, Campylobacter, Salmonella and Staphylococcus. The raw chicken wash waters are found
flammation, but it is the bacterial infections following the puncture that bring about these symptoms: “severe pain, reduced blood flow, muscle spasms, and respiratory distress” (Ross, 2009). These symptoms somehow tie up with what the man in the case study had: spasms and
Phenomenological study is often loosely associated with the scenario that may reflect its impact over the players involved in the given study so undertaken. The individuals are often taken for subject of matter based on which the overall scenario is
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