To kill residual bacteria, wash the blackberries with vinegar and water. “Use a preservation bag to extend the shelf life of the berries and store them inside the refrigerator
Deli meat sliced for you fresh in the store lasts three to five days in the fridge but commercially packaged deli meat is at five to seven days
For whole-store ripe watermelon, you can keep it for up to a few weeks and to preserve the flavor of cut pieces, keep them in an airtight container
Placing them in a cup of water, so they stay fresh. The average person keeps their kale in the produce bag and throws it into the vegetable drawer.
The spore is heat-resistant and doesn’t die when cooking, but it can produce bacteria as it cools or is left in the danger zone, between 40 to 140 degrees Fahrenheit
Lettuce has a high water activity, which is essentially the ratio of the vapor pressure in a food to the vapor pressure of pure water
Hard-boiled eggs may harbor bacteria such as salmonella or listeria if the egg is not cooked fully (think a runny yolk or white) and since bacteria can live on the shell
Once you open the can, you expose the fish to air, bacteria, and enzyme reactions so the shelf life significantly reduces to just a few days