Can you eat broccoli when it turns yellow
You can eat it
Some broccoli has turned yellow, which makes people feel that the quality is not good enough, in fact, the yellow broccoli, in terms of taste, nutrition, there is no big change, it does not affect the consumption.
Why does broccoli turn yellow
Why does broccoli turn yellow? Because it is left for a long time, broccoli can't get sunlight, so it can't produce leaf green color. However, the changed broccoli will gradually lose its nutrition, so don't eat it. Broccoli turns yellow because it is not exposed to sunlight and does not produce chlorophyll, so it turns yellow. It is also yellow because it is not fresh, the same way the color of freshly purchased broccoli is bright, but after a few days it turns yellow, that is to say, it becomes old and loses the vitamins and minerals that keep its color. Therefore, if the broccoli turns yellow, don't eat it.
There are also claims that yellowing broccoli produces a large number of harmful nitrite carcinogens, so it is best not to eat. In addition, it is best to buy fresh broccoli, buy all try to eat, if placed too long yellow, it is a pity, can only be thrown away, yellow broccoli has lost its nutrition, there is no need to eat.
How to choose broccoli
Cutting: Observe whether the incision of broccoli stalks is tender green and moist, too dry and yellow, indicating that the picking time is too long, so the broccoli is not selected.
Compact: look at the bulb surface tight and solid, no gaps, no unevenness of the broccoli is the best quality.
Color: If the surface of the bulb is yellowish, it means the broccoli is over-ripe or has been stored for too long, so don't choose it. (Slightly purple at the top is a normal phenomenon)
Weighing: Heavier hand weighing indicates good freshness, lighter is stored for a long time, the water is evaporated.
How to keep broccoli fresh
1, with paper or breathable film wrapped broccoli (paper can be sprayed with a small amount of water), and then placed upright in the refrigerator freezer, about 1 week of freshness.
2. Tear the broccoli into small pieces, soak in salt water for about 5 minutes to remove the dust and insect pests on the vegetables, then rinse with water, drain, and put into boiling salted water to blanch, fish out and cool dry can be directly cooked or put into a plastic bag, and put it into the refrigerator for freezing and preservation.