In winter, people can eat summer fruits such as watermelons and strawberries, but they are more expensive. However, dietitians recommend that it is best to eat the cheapest seasonal fruit in winter. Because the anti-season fruits are not only of low nutritional value, they are also expensive and not suitable for regular consumption.
Eat these fruits in winter can be poisoned
“The value of counter-seasonal fruits is that they are more fresh than seasonal fruits, not nutritional.†Those colorful, bright and attractive off-season fruits are often grown in greenhouses, and they have some sun exposure, Wind and soil levels are different from seasonal fruits. Therefore, the best nutritional fruit is the cheapest variety, and the cheapest fruits are often seasonal fruits.
How much fruit to buy is best to buy, because each fruit has its most suitable storage temperature, shelf life. The longer it goes, the worse the nutrition and flavor of the fruit will be. Most fruits are suitable to be stored in the refrigerator without being cleaned, otherwise they are easily deteriorated and rot and should be eaten within one week. Fruits such as bananas, pineapples, mangoes, papayas, and lemons need only be stored indoors in cool corners.
In addition, some unscrupulous traders using chemical reagents to ripen off-season fruits for the purpose of selling goods may harm human health. We listed the following dangerous counter-seasonal fruits to everyone.
1. Grapes
Some unscrupulous traders and farmers use ripeners - ethephon. After the user dilutes ethylene with water in proportion, the mature grapes are soaked in the diluted solution. After a couple of days, the green grapes become purple grapes. Although the drug is low in toxicity, long-term consumption is harmful to the human body.
2. Banana
In order to make the banana skin yellow and look good, some unscrupulous traders use sulfur dioxide to ripen, but the flesh is hard to eat, not sweet at all. Sulfur dioxide and its derivatives not only cause harm to the human respiratory system, but also cause brain, liver, spleen, and kidney lesions, and even harm the reproductive system.
3, watermelon
Super ripening agents, swelling agents and highly toxic pesticides are used to make watermelons toxic. The stripes on the watermelon rind are not uniform, and the melon pods are particularly bright after cutting, but the melon seeds are white. After eating, there is a strange smell in the mouth.
4, strawberries
The hollow, irregularly shaped and large strawberries in the middle are generally caused by excessive hormones. After ripening agents or other hormones were used in strawberries, the growth period became shorter and the color was fresh, but the fruit was lightened. This type of strawberry must be scrupulously eaten, and if it is eaten more, it will affect people's normal growth and development, such as leading to premature children and so on.
What to buy for dinner in winter
1, some vegetables after ripening, peel or other places will leave traces of Sentiment, when buying to pay more attention. When you eat, you can remove some of the residue by lighting, peeling, boiling, stir-fried and other methods.
2, if the winter can not help but seduce the temptation of a variety of off-season vegetables, but also the best choice of onions, carrots, eggplants, etc., such pesticide residues in vegetables less, try to buy less shape, strange color vegetables.
3, as much as possible to buy fresh food from the market to do their own, less to buy finished products. Finished foods are inevitably processed repeatedly and the nutrients are easily destroyed. It is also difficult to guarantee freshness and may even contain harmful additives.
Good advice for what to eat in winter
The relative reduction of green leafy vegetables in winter, so what kind of vegetables to eat in winter? What kind of food is suitable for winter: You can eat some potatoes, such as sweet potatoes and potatoes. They are all rich in vitamin C, vitamin B, especially red heart sweet potato also contains more carotene.
What kind of vegetables to eat in winter, in addition to Chinese cabbage, in addition to Chinese cabbage, you should also choose cabbage, radish, white radish, carrots, bean sprouts, green bean sprouts, and rapeseed. These vegetables are rich in vitamin content. As long as the varieties are often exchanged and matched properly, they can supplement the human body's vitamin needs.
Different types of vegetables are rich in nutrients. Persist in eating vegetables every day, several times a week, and what vegetables to eat in winter. Choose from 5 types of vegetables (dark green, orange, beans, starchy vegetables, and other vegetables). Change the species frequently and diversify as much as possible so that you can fully ingest the different nutrients in different foods.
About 500 grams of vegetables should be ingested each day to provide more vitamin C, carotene and a considerable amount of inorganic salts such as calcium and iron. Among them, colored vegetables and leafy vegetables account for about 50%. What kind of vegetables are good for winter? Eat dark green vegetables such as cauliflower, kale, and other dark green leafy vegetables. Orange vegetables include carrots, sweet potatoes, and pumpkins. For example, for a 2,000-calorie diet (about 1,000 calories for a 1-year-old child), the dietary guidelines recommend vegetable intake: 3 cups/week for dark-green vegetables (approximately 240 grams per cup), 2 cups for orange-yellow vegetables/ Weekly, beans (dry beans) 3 cups/week, starchy vegetables 3 cups/week, other vegetables 6 cups half/week.
What to eat during the flu season vegetables
Brightly coloured vegetables – tomatoes, carrots and spinach – are all rich in antioxidants. This antioxidant protects the body's immune cells against undesirable elements in the environment and enhances the ability of leukocytes to kill foreign microorganisms. At the same time, because these foods also contain a large amount of vitamin C, it is beneficial to defend against the flu and enable patients to recover quickly. The bright fruits like sour berries and kumquat also have the same effect.
Vitamin E-rich vegetables - research confirmed that adequate vitamin E in children can significantly enhance the ability of T cells to fight infection. Therefore, foods rich in vitamin E, such as various dark green vegetables and almonds, malt, etc., are also indispensable during the influenza epidemic.
Garlic and onion - popular in Europe and the United States, the popular method of drinking onion juice to treat cough. Onions can enhance the immune activity of T cells, thereby enhancing the overall immune response. Foods that contain immunologically active substances such as garlic and onions can act as cleansers and antiviruses in the human body and act to kill and eliminate poisons and germs.
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