Food Safety Expert’s Guide: What Not to Eat and Why
Each year, millions of people suffer from foodborne illnesses, also known as food poisoning. According to the CDC, an estimated 9.9 million people in the United States contract foodborne illnesses annually. These illnesses can lead to hospitalization and, in some cases, even death. Understanding which foods pose the greatest risk and why is crucial for protecting your health and the health of your loved ones. This guide, crafted with insights from food safety experts, will help you navigate the complex world of food safety and make informed choices about what you eat.
High-Risk Foods: A Breeding Ground for Bacteria
Certain foods are more prone to contamination and bacterial growth than others. These are often referred to as “high-risk foods” because they provide the perfect environment for harmful microorganisms to thrive. These foods typically share characteristics such as high moisture content, abundant protein, and a neutral or slightly acidic pH.
Common high-risk foods include:
- Meat and Poultry: Raw and undercooked meat, especially ground meat, can harbor bacteria like Salmonella, E. coli, and Campylobacter. Poultry is particularly susceptible to Salmonella and Campylobacter contamination.
- Seafood: Raw or lightly cooked seafood, such as sushi, sashimi, and raw oysters, can contain harmful bacteria and parasites. Shellfish, in particular, can accumulate bacteria and viruses from polluted waters.
- Dairy Products: Unpasteurized milk and soft cheeses made from unpasteurized milk can harbor Listeria, Salmonella, and E. coli.
- Eggs: Raw or undercooked eggs can carry Salmonella, even if the shell appears clean and intact.
- Cooked Rice and Pasta: Cooked rice and pasta left at room temperature can allow Bacillus cereus to multiply and produce toxins.
- Prepared Salads and Vegetables: Pre-made salads, coleslaw, and leafy greens can support bacterial growth, especially when not stored properly or handled with unclean utensils. Leafy greens are particularly susceptible to contamination because they grow close to the ground and are often eaten raw.
- Sprouts: Raw sprouts have been linked to numerous foodborne illness outbreaks, often due to contamination of the seeds themselves.
Why These Foods Are Risky
The risk associated with these foods stems from several factors:
- Bacterial Growth: High-risk foods provide the nutrients and moisture that bacteria need to multiply rapidly.
- Contamination Sources: These foods can become contaminated at various stages, from farm to table, including during production, processing, handling, and storage.
- Lack of Cooking: Many high-risk foods are consumed raw or with minimal cooking, meaning that any bacteria present are not killed off by heat.
Food Safety Tips: Minimizing Your Risk
While it’s impossible to eliminate all risk of foodborne illness, there are several steps you can take to significantly reduce your chances of getting sick:
- Cook Foods Thoroughly: Use a food thermometer to ensure that meat, poultry, seafood, and eggs are cooked to their safe minimum internal temperatures. Ground meat should be cooked to 160°F (71°C), poultry to 165°F (74°C), and fish to 145°F (63°C).
- Wash Produce Carefully: Wash all fruits and vegetables thoroughly under running water, even if you plan to peel them. Use a clean scrub brush to scrub firm produce like melons and potatoes.
- Separate Raw and Cooked Foods: Prevent cross-contamination by keeping raw meat, poultry, seafood, and eggs separate from other foods in your shopping cart, refrigerator, and on your cutting boards. Use separate cutting boards for raw and cooked foods.
- Practice Good Hygiene: Wash your hands thoroughly with soap and water for at least 20 seconds before and after handling food. Clean and sanitize countertops, cutting boards, and utensils after each use.
- Refrigerate Promptly: Refrigerate perishable foods within two hours of cooking or purchasing them. Bacteria can grow rapidly at room temperature.
- Avoid Raw or Unpasteurized Products: Unless you are certain of their source and safety, avoid consuming raw milk, raw sprouts, and other unpasteurized products.
- Be Cautious with Leftovers: Store leftovers properly and reheat them thoroughly to 165°F (74°C) before eating.
- Stay Informed About Recalls: Pay attention to food recall notices and discard any recalled products immediately.
- When in Doubt, Throw it Out: If you are unsure whether a food is safe to eat, err on the side of caution and discard it.
Specific Foods to Approach with Caution
- Undercooked Ground Meat/Burgers: Ground beef is risky because when meat is minced, bacteria from the surface get mixed throughout the patty. Unless the center reaches 160°F (71°C), those bacteria survive.
- Raw or Undercooked Eggs: Eggs can carry Salmonella even when the shell looks perfect.
- Raw Milk & Soft Cheeses (Unpasteurized): Unpasteurized dairy may contain pathogens like Listeria and Salmonella that cause severe infections.
- Raw Oysters and Other Raw Shellfish: Raw or undercooked seafood like oysters or sushi can harbor harmful bacteria and parasites that cause serious illness.
- Unwashed Leafy Greens: Leafy greens grow close to the soil, so they’re more likely to pick up bacteria. They’re also usually eaten without cooking, a process that kills said bacteria.
Who Is Most at Risk?
While anyone can get a foodborne illness, certain groups of people are more likely to experience severe complications:
- Infants and young children
- Pregnant women
- Older adults
- People with weakened immune systems (such as those with HIV/AIDS, cancer, diabetes, or kidney disease)
These individuals should be especially vigilant about following food safety guidelines and avoiding high-risk foods.
The Role of Food Safety Experts
Food safety experts play a crucial role in protecting public health by:
- Conducting research to identify foodborne hazards and develop effective control measures.
- Developing and implementing food safety regulations and standards.
- Educating food handlers and consumers about safe food handling practices.
- Investigating foodborne illness outbreaks and identifying the sources of contamination.
Conclusion
Food safety is a shared responsibility. By understanding the risks associated with certain foods and following safe food handling practices, you can protect yourself and your community from foodborne illnesses. Stay informed, be vigilant, and prioritize food safety in your daily life.