You should not eat onions, period. They're incredibly toxic. For those who insist on eating onions, you should toss out any left over portion that was not used from a freshly cut bulb. Never refrigerate them. They are magnets for bacteria and are one of the leading causes of diseases in the house.
They do however make good house sanitizers. Cut a bulb and put it in a bowl. Put them around the house and they'll attract just about every pathogen, bacteria, virus, you name it.
Generally, yes. You should be fine with it.
Uncooked cabbage left in a car overnight may not be safe to eat, especially if temperatures were high, as this can promote bacterial growth. Even if the cabbage looks okay, it’s best to err on the side of caution and discard it to avoid potential foodborne illness. If the temperature was cool and the cabbage appears fresh, it might be fine, but it's important to inspect it carefully before deciding.
No, it is not safe to eat if it has been left out overnight.
no
It wouldn't be safe to eat salad that's been left out overnight.
No, it is not safe to eat deli ham that has been left out overnight as it can lead to bacterial growth and foodborne illness.
No, it is not safe to reuse frying oil that has been left out overnight as it can become rancid and develop harmful bacteria.
its not
If you have eaten cooked cabbage that has been left out overnight, there is a risk of foodborne illness due to bacterial contamination. Bacteria can multiply rapidly at room temperature, potentially leading to food poisoning. It is recommended to discard any cooked food that has been left out at room temperature for more than 2 hours to avoid the risk of illness. To prevent foodborne illness, always store perishable foods in the refrigerator promptly after cooking and consume them within a safe timeframe.
if they are raw yes if they have been cooked no
Yes, that is safe. Your muffin may get stale, but it is not dangerous to eat after being left out overnight.
It isn't safe to eat any food that has been left out overnight.