wash the hands for 20 seconds with warm water and soap before and after preparing fresh produce.ensure prepacked lettuce is refrigerated at or below 40☏ both in the store and at home.The Food and Drug Administration (FDA) offer advice on how to avoid foodborne illness when eating fresh produce, such as lettuce: The study authors note that consuming ready-to-eat iceberg lettuce within the first few days of packaging may reduce a person’s risk of contamination. The ready-to-eat iceberg lettuce had a higher contamination level than the fresh lettuce. Although they found small reductions using bicarbonate and vinegar, the only significant result came from using chlorine disinfectant, with a notable reduction in bacteria taking place after 30 minutes. The researchers used different washing methods and immersion times, analyzing the number of bacteria present. coli was detectable in 70% of whole fresh lettuces, 6.7% of minimally processed lettuces, and 30% of ready-to-eat lettuces.Ī 2018 study looked at different washing methods for both fresh and ready-to-eat, prepackaged iceberg lettuce. Bacteria and viruses, such as norovirus, Salmonella, and Escherichia coli, can be among the contaminants.Ī study in Brazil looked at contamination levels in lettuces in supermarkets, food services, and self-service restaurants. Washing and hygieneĬontaminated lettuce has caused outbreaks of food poisoning in the United States. This replacement may suit people who are aiming to decrease their carbohydrates, such as those who are on a keto diet or are gluten intolerant. Lettuce can replace bread to make a healthful sandwich or wrap. Iceberg lettuce is also popular as a filling in sandwiches, burgers, and wraps.
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