Broccoli is a common vegetable, its nutritional value is very high, often eat on human health has great benefits. Broccoli bought from the supermarket should be eaten as soon as possible. The nutritional value of fresh vegetables is also high. But some friends ask, broccoli forget to eat yellow, can you eat it? How do you usually keep broccoli?
Can broccoli be eaten when it turns yellow
Broccoli can be eaten if it turns yellow, if it just turns yellow. Those who have studied biology all know that green plants need photosynthesis. When we put broccoli in the dark refrigerator, we don't absorb enough sunlight. As a result, a large number of magnesium ions in chlorophyll will be lost, resulting in broccoli lacking chlorophyll synthesis and naturally turning yellow. If it's broccoli that has just turned yellow, cook it in hot water before eating, which can improve the color. If broccoli becomes soft, it can't be eaten.
How to choose broccoli
Choosing broccoli is also particular, not the color of green to buy, we want to see the bulb size of broccoli, the bigger the better; feel the surface of the flower ball, feel whether there are concave and convex, concave and convex relatively less is better; two hands weigh the same size of broccoli, light is better; pinch the flower stem, if some hard, that broccoli is older; Choose the green, soft and plump buds with a raised middle.
Preservation of broccoli
1. Wrap broccoli in paper or air permeable film (spray a small amount of water on the paper) and keep it upright in the refrigerator for about a week.
2. Tear broccoli into small pieces, soak in salt water for about 5 minutes, remove the dust and insect pests on the vegetables, then rinse and drain them with water, and heat them in boiling salt water. After taking them out and drying, they can be directly cooked or put into fresh-keeping bags and refrigerated for preservation.
In conclusion, it's better to eat broccoli after you buy it. Avoid to put broccoli yellow, so as to reduce the adverse effects on the body, eating up will be more at ease and rest assured.