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3 pages/β‰ˆ825 words
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1 Source
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Subject:
Life Sciences
Type:
Research Paper
Language:
English (U.S.)
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Topic:

Inactivation of Listeria Innocua on Blueberries by Novel Ultrasound Washing Processes

Research Paper Instructions:

Format: 1 – 2 pages, single space, 12 pt Times Roman or 12 Point Calibri and Symbol as needed.

Include your name, section, and date in the header. Grading: This assignment will be graded on a 100 pt scale and will account for 5% of your total grade. Points will be assigned based on your ability to answer each of the questions given as outlined in each of the four sections shown below. Assignment: The ability to read and summarize a primary research article is a powerful tool for understanding scientific texts. By taking a close look at the research presented, you will build a solid foundation for the discussion and interpretation of published research articles related to Food Microbiology, and these skills should carry over to any other scientific discipline.  The purpose of this assignment is to not only read, understand, and summarize the contents of a research paper in your own words. For this assignment, you will also be questioning it in the same skeptical way that scientists evaluate their own and others' work. Your task in this research paper review assignment is to identify and summarize the main scientific findings and supporting evidence in the text. This task can be divided into four categories:  1. What is the question? What questions are the authors seeking to answer? What specific ideas are being tested in the scientific study? 2. What was done? How did the authors answer the questions posed? What methods were used? 3. What are the results? What observations and data are presented? What are the conclusions? What is the evidence for the conclusions? 4. Why is it important? Why is the answer to the scientific question meaningful? How general are the findings? The paper assigned for this article is: Zhang H, Tsai S, Tikekar RV. 2021. Inactivation of Listeria innocua on blueberries by novel ultrasound washing processes and their impact on quality during storage. Food Control 121:107580. 

Research Paper Sample Content Preview:

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RESEARCH PAPER REVIEW ASSIGNMENT
The authors are seeking to find the best method that can preserve blueberries without degrading their nutritional value. Blueberries are perishable, and they go bad after a few days. Most retailers sell the fruits without exposing them to any treatment since such procedures may destroy the quality and accelerate rotting. As a result, the fruits have transmitted foodborne pathogens, making several people sick. Studies show freezing blueberries keep microorganisms like the Listeria monocytogenes inactive for ten days. However, pathogens are still more likely to cause diseases (Zhang H, Tsai S, Tikekar RV. 2021. Food Control 121:107580). Therefore, the researchers need to develop hygiene technologies to ensure safe edible blueberries with a longer lifespan.
The frequency ultrasound has proved effective in inactivating pathogens. Although, it has a cavitation consequence that can destroy the cells of a plant, causing loss of food nutrients. Combining ultrasound and food grade disinfectants constituents has been shown to achieve higher microorganism inactivation in lettuce (Zhang H, Tsai S, Tikekar RV. 2021. Food Control 121:107580). In addition, the procedure is inexpensive, maintains food quality, and incapacitates several pathogens. Numerous studies show that ultrasound can aid in directing antimicrobial compounds into unreachable areas like the hydrophobic crevice and eliminate bacteria attached to the food.
Many studies have focused on conserving fresh blueberries using cold plasma, edible coverings, and sanitizers. However, few studies have investigated the effects of disinfecting fresh fruits with a collaborative consolidation of ultrasonography and antimicrobial composites and their bearing on food quality (Zhang H, Tsai S, Tikekar RV. 2021. Food Control 121:107580). The authors aimed to inspect the stowage feature of washed berries and the efficiency that carvacrol (CR), carbonated water (CW), 1MHz, and 20 KHz ultrasound have when disinfecting blueberries.
Methods
The researchers attained Listeria innocua from a microbiology laboratory and then incubated the pathogens until they reached maximum growth. The scholars bought blueberries used in the research from the local market and used the fruits two days after purchase. The scientists then injected the bacteria on the calyx scar of the blueberries then stored the fruits in a biosafety cabinet for a while before treatment.
The treatment solution consisted of carvacrol and carbonated water made by mixing refrigerated water and compressed carbon dioxide. The researchers used two devices for the 20 KHz and 1 MHz treatment (Zhang H, Tsai S, Tikekar RV. 2021. Food Control 121:107580). The researchers assessed the quality and storage of blueberries in two ways. They washed some berries before storing them and kept others without washing them. The washing procedure included water, liquid bleach, and the 20 KHz and 1 MHz treatment. The experimenters dried cleaned fruits with a tissue before storing them in an incubator. The authors also evaluated quality para...
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