What are the photosensitive foods?

The nutritional value of leeks is relatively high, can clear away heat, detoxify, increase blood resistance, enhance resistance, and promote growth and development, but some people actually have skin allergies, purpling, etc. after eating leeks and turn into a “bag male face”. What is this? What's going on?

Earlier reports had reported that an old lady in Henan Province had painted her face and hands like black paint, and her fingers were too dry to let anyone look at it. The attending physician stated that the old man's face and the back of his wrist had a large area of ​​skin necrosis and he needed skin grafting. The reason is that the old lady ate the leeks after sun drying. Does this mean that you cannot bask in the sun when you eat leeks? In addition to leeks, what foods are photosensitive foods?

苋菜

Can not eat the leeks in the sun?

It's not that we can't enjoy the sun at all, but it's best not to go to the sun for a long time after eating leek, especially during the summer. Because leek is a photosensitive vegetable, some people eat this kind of vegetables, the exposed skin is exposed to the sun in the hot sun for a long time, there may be purple, itching, burning and diffuse swelling and other allergic reactions, this phenomenon It is called "plant solar dermatitis."

Pathogenesis:

Some people take photosensitive vegetables and the light-sensitive substances reach the skin through the blood. If they are exposed to direct sunlight for a long time, the body absorbs a lot of sunlight energy. This light energy can stimulate the chemistry of light-sensitive substances in vegetables. The hapten reacts to produce a hapten, and then combined with the protein will make the body antigenic, once encountered similar experience will cause immune damage and induce a special allergic dermatitis - plant solar dermatitis.

Common photosensitive foods:

Vegetables: gray vegetables, lettuce, celery, fennel, Poria, purslane, leeks, spinach, parsley, rape, mustard, black fungus, carrots, parsley, spinach, leeks and so on.

Fruits: figs, lemons, mangoes, pineapples, papayas, etc.

Seafood: snails, shrimps, crabs, clams, etc.

Traditional Chinese medicines with photosensitivity: white peony root, peony root, catmint, wind-proof, psoralen, ginseng, safflower, etc.

Western medicine with photosensitivity: sulfa drugs, aspirin, sodium salicylate, tetracycline, chlordiazepoxide, oral contraceptives, and estrogens.

Do you eat sensitized foods that will surely tanning?

If you are not allergic, you don’t need to worry too much. In addition, vegetative solar dermatitis can be prevented even in allergic people. For example, after eating vegetables, people should pay attention to reducing their outings, especially the chance of direct exposure to strong light. Also, people with a history of allergies do not have to pick up light-sensitive foods such as leeks, lime-grey dishes, and leeks.

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