Can you still eat lettuce when it turns color? Teach you a trick to treat lettuce. Crispy and green will not change color.

When eating or not having to cook vegetables, lettuce salad is another option for our replenishment fiber. A delicious lettuce salad, lettuce is of course the soul-stricken one. If the lettuce is scattered and colored, it will make people feel that they don’t want to eat it. When making your own lettuce salad, you should prevent lettuce from changing color. The important secret to treat it is to use handmade lettuce.

The lettuce has changed color, can it still be eaten?

If you have made your own lettuce salad at home and processed lettuce, you will find that after some lettuce is put in a small amount, the edges seem to turn slightly red. What's going on? Can't eat it anymore? In fact, eating color-changing lettuce will not be harmful to health, but a delicious dish must be full of color, fragrance and taste. Therefore, even if color-changing lettuce is edible, it just doesn't look too beautiful or delicious.

{9 Since most people use a knife to cut the whole lettuce salad, the lettuce may become red when cut too long. The Osaka Parco-op Consumer Cooperation Website also explained the reason. If the iron on the metal blade touches the leaf, the iron contained in the blade will promote the oxidation of polyphenols, making the leaf piece exposed to brown and red easily. Therefore, if you want to keep the lettuce crispy and green, it is recommended to use hand-treated lettuce instead, and do not cut it with a knife.

When using hand-carrying lettuce, pay attention to reducing damage to the leaf vegetable fiber, avoid twisting and vigorously tearing the lettuce, which will damage the fiber. If you can only use cuts, it is recommended to cut them before serving to reduce the time of browning.

Lettuce preservation The most important thing is to isolate the air

Lettuce salad is most commonly used borer, including lettuce, borer, etc. Lettuce itself is prone to oxidation, and the leaves and roots will change color after oxidation. Remember to check it first when buying it. If there is corrosive roots, remove them first; if there is no use, the unused part can be directly tightened with a tight bag of fresh film and placed in refrigerated. However, if the borer is not fed, it will easily lose water. You need to take an extra step when storing it. First, wrap the unused borer with a spray of water and "moisturize", and then wrap it with a fresh film or put it in a fresh box.

Spray a little water in the kitchen towel, wrap the unfinished borer, tighten it with a fresh film and then put it in the refrigerator to refrigerate. If you cannot use up a whole at once, remember to be sure to be separated from the air during the remaining storage period to reduce the degree of oxidation. But you still have to finish it as soon as possible and should not be kept for too long.