You cannot eat cold dishes that have been cooked overnight.

1. The Food Supervision and Administration Bureau once conducted a special test on cold dishes. The results found that if the prepared cold dishes are left at room temperature for more than 2 hours, they will be contaminated by microorganisms and deteriorate. The cold dishes in an environment exceeding 26 degrees are even worse.

2. Do not eat overnight dishes such as cold vegetables, because after overnight bacterial decomposition, the vitamins in the vegetables are basically lost, and toxic nitrites will be produced.

1. Every summer, the number of patients with infectious diarrhea such as enteritis and dysentery increases significantly. This has a lot to do with improper preparation methods of cold dishes or eating cold dishes that have been stored for too long. We must maintain alert.

2. More bacteria will breed after overnight, and toxic nitrates will be produced. Moreover, the nutrients contained in vegetables that have been left overnight are also compromised. Therefore, eating cold dishes overnight will not only fail to replenish the nutrients the body needs, but will also cause abdominal pain, diarrhea and other physical discomforts.

Baidu Encyclopedia—Overnight dishes