Seasonal vegetables, they grow in natural conditions, so they will experience some sunshine or spring rain, wind and frost, etc. Take Rizhao as an example, he will add some sugar or vitamins to vegetables, so for out-of-season vegetables, mainly planted in greenhouses, the sugar and vitamin content of vegetables will be lower than that of seasonal vegetables and fruits. As seasonal vegetables, they also need the help of pesticides or some chemical fertilizers to grow. Then, because many pesticides are accompanied by rain or watering, they will degrade. For out-of-season vegetables, planting in greenhouses is not conducive to the decomposition of pesticides.
Because of the popularity of a genetically modified food in recent years, compared with out-of-season vegetables, he will interfere with the growth process of plants, may add some growth hormones, or run into space to experience some hormones to affect his living environment. Maybe out-of-season vegetables taste worse than in-season vegetables. Off-season vegetables are actually edible. This is because he can only produce out-of-season vegetables, and he has added a lot of technology or other things to change his living environment. The nutrients in it are actually very satisfying. It's just that compared with vegetables in season, its nutritional content may be lower, so as long as we mix nutrition in daily life in a balanced way, the types or nutritional components of food will be guaranteed, then the balanced nutrition needed by the human body can be met. ?
The nutritional value of out-of-season vegetables is actually similar to that of in-season vegetables. Because our normal diet needs dietary collocation to meet the nutrition we need, both seasonal vegetables and out-of-season vegetables contain some nutrients and other vitamins, so we need to combine other foods or supplements to meet the overall energy supplement needed by the human body.