Stir-fried spinach must not be left overnight. A substance called nitrite is produced overnight and is harmful to the body. Overnight vegetables are very harmful to our health, especially the production of nitrites, especially root vegetables overnight will produce more nitrites, such as spinach, cabbage, chili peppers and so on. So it is necessary to reduce the usual storage time of these vegetables. So make sure you don't eat spinach overnight. Especially fried spinach.

It is well known that spinach is very high in iron, so spinach is gradually becoming a very common vegetable. Spinach is a vegetable with high chlorophyll content and high nitrate content. It should be eaten promptly after frying, you can't leave it overnight. This is because when stored for too long, nitrates turn into nitrites, which prevent hemoglobin from combining with oxygen. If you ingest too much nitrite, you will vomit. Many people think that you can't eat overnight vegetables, but we also need to define overnight vegetables. An overnight dish is one that has been stored as an overnight dish for more than 8 hours. The reason you can't eat overnight vegetables is because you are afraid of things like nitrites.

Steamed spinach in the morning can be eaten at noon, from morning to noon only a few hours, not easy to deteriorate. But it is best to microwave it before eating, so that the flavor is fresher. Commuters have to do two homework: nutritional matching and low temperature preservation. Nutritional collocation, you can choose vegetables suitable for multiple heating, mainly root vegetables, such as potatoes, carrots, celery, broccoli, tomatoes, mushrooms, fungus and so on. Try not to bring seafood and salads, which can spoil or harbor bacteria.

When it comes to preservation, the first thing to do is to ensure low temperatures. If the dish is prepared the night before, it needs to be cooled and packaged in time for the refrigerator. To the unit in time to put in the refrigerator, eat at noon with a microwave oven fully heated. If there is plenty of time, it is advocated to get up early to prepare lunch. Secondly, choose the right lunch box, preferably heat-resistant sealed glass or stainless steel lunch box, food should be packed in 2/3 to 3/4 of the lunch box. At least two lunchboxes should be prepared, and staple foods and vegetables should be beaten separately