1. Generally, cauliflower must be covered with cauliflower leaves for a long time. If it is exposed to direct sunlight, it will cause the cauliflower to turn yellow, but it will not affect the quality of the cauliflower. However, it is difficult to sell such cauliflower, so it must be The cauliflower is well protected.
2. If the cauliflower turns yellow, it may be that the cauliflower has begun to slowly rot. Such cauliflower is no longer edible and you can just throw it away.
At the same time, the cauliflower you bought cannot get sunlight because it has been left for a long time, so it cannot produce green leaves and will turn yellow. The cauliflower turns yellow because it is not exposed to light, so the chlorophyll produced will be reduced, and the cauliflower will slowly turn yellow. After turning yellow, it is still edible, but the nutritional value is not as high as that of green.
Therefore, the reasons for the yellowing of cauliflower grown on land and the yellowing of cauliflower bought at home are exactly the opposite. The reason for the yellowing of cauliflower must be judged according to the environment in which the cauliflower is located, and then based on the yellowing of cauliflower. reasons, choose different solutions.
1, the efficacy of dried longan
(1) dried longan contains a certain amount of iron and high sugar content. It is