In food safety study, 25% of participants contaminated salad with raw chicken


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In a research geared toward assessing the affect of washing poultry on kitchen contamination, researchers discovered that greater than 1 / 4 of research contributors contaminated salad with uncooked poultry—together with many research contributors who didn’t wash the poultry. The research highlights the significance of hand-washing and cleansing and sanitizing the kitchen with a view to cut back the danger of foodborne sickness when cooking at house.
Washing shouldn’t be beneficial, as a result of issues about inadvertently contaminating different meals and surfaces—and growing the danger of foodborne sickness.
“We needed to know what impact an academic intervention would have on getting individuals to cease washing earlier than cooking, and what impact any ensuing change in habits may need on lowering contamination within the kitchen,” says Ellen Shumaker, corresponding writer of the research and an extension affiliate at North Carolina State College. “We additionally needed to get a greater thought of how, if in any respect, washing poultry truly led to elevated contamination within the kitchen.”
For the research, researchers recruited 300 house cooks who stated they washed poultry earlier than cooking it. The researchers despatched meals security info to 142 of the research contributors by way of electronic mail, outlining risk-reduction efforts—together with the advice to not wash uncooked poultry throughout meals preparation. The remaining 158 research contributors didn’t obtain the training intervention.
All 300 research contributors had been then invited to check kitchens outfitted with video cameras that filmed meal preparation. Members had been requested to cook dinner thighs and put together a salad. After getting ready the rooster thighs, however earlier than placing the rooster within the oven, contributors had been known as out of the kitchen to conduct a brief interview. Members had been then despatched again into the kitchen to cook dinner the rooster thighs, put together the salad, and clear the kitchen as they’d at house.
What the research contributors did not know was that the rooster thighs had been inoculated with a innocent pressure of micro organism, which the researchers would have the ability to detect. This allowed researchers to swab surfaces within the kitchen to see whether or not any cross-contamination occurred through the and .
When research contributors left the kitchen to conduct the interview, researchers swabbed the kitchen to establish any potential contamination. This course of was repeated after every participant had accomplished cooking the meal and cleaned the kitchen. The ready salad was additionally examined for potential contamination.
Ninety-three p.c of the contributors who acquired the intervention didn’t wash the rooster, as in comparison with 39% of the contributors who didn’t obtain the intervention.
Nonetheless, the researchers had been shocked to see that individuals who did wash the rooster and individuals who did not wash the rooster had related ranges of contamination from the uncooked rooster of their ready salads.
So what offers?
“We predict the salad contamination stems from individuals doing a poor job of washing their palms after dealing with the uncooked rooster, and/or doing a poor job of sanitizing the sink and surrounding surfaces earlier than rinsing or dealing with the salad,” Shumaker says.
“No matter whether or not individuals washed their rooster, the sinks turned contaminated by the uncooked rooster, whereas there was comparatively little contamination of close by counters,” Shumaker says. “This was a little bit shocking, for the reason that had been that the danger related to washing rooster was as a result of water would splash off of the rooster and contaminate surrounding surfaces. As an alternative, the sink itself was turning into contaminated, even when the rooster wasn’t being washed.
“Washing the rooster continues to be not a good suggestion, however this research demonstrates the necessity to give attention to stopping contamination of sinks and emphasizing the significance of hand-washing and cleansing and sanitizing surfaces.”
The paper is revealed within the Journal of Meals Safety.

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Extra info:
Ellen Thomas Shumaker et al, Observational Examine of the Affect of a Meals Security Intervention on Shopper Poultry Washing, Journal of Meals Safety (2022). DOI: 10.4315/JFP-21-397

Offered by
North Carolina State University

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In meals security research, 25% of contributors contaminated salad with uncooked rooster (2022, April 4)
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