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The production of dwarf vegetables is the reason for artificial selection, first of all, we must understand that dwarf treatment is not pharmacological effect, but artificial selection of plants with dwarf tendency, and then promote planting, therefore, dwarf plants in addition to the difference in plant height, there is no difference in nutrients, so there is no harm to the human body after eating.
Although eating greens is beneficial to the human body, eating too many greens is also harmful, so pay attention when eating some vegetables:
1. Some vegetables contain more oxalic acid and are easy to form stones: spinach, celery, tomatoes, etc. contain more oxalic acid, which is combined with calcium in other foods and is easy to form calcium oxalate stones, which is one of the reasons why many women who like to eat vegetarian foods are prone to stone disease.
2. It is easy to aggravate the condition of stones: most vegetables are alkaline foods, for patients who have suffered from calcium phosphate stones, eating a lot of alkaline food every day can increase the number of stones, and it is not easy to excrete them.
3. Not easy to digest: vegetables with high crude fiber content, such as celery, spring bamboo shoots, etc., are difficult to digest after eating a large amount, and patients with gastrointestinal diseases should not eat more. Crude fiber is also easy to cause gastric bleeding or esophageal variceal bleeding in patients with liver cirrhosis, which can aggravate the condition.
4. Affect calcium and zinc absorption: Pregnant women and children and adolescents during the growth and development period, a large intake of vegetables will hinder the absorption of calcium and zinc in the body, affecting children's intellectual development and bone growth.
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Dwarf-grown vegetables are harmless.
First of all, dwarf planting is only the promotion of dwarf varieties after breeding, and in general, it is more intuitive in appearance with normal planting, but its nutritional value is not much different, and it does not increase harmful factors, so there is no harmful one.
As for whether the vegetable is harmful after eating, it mainly depends on whether the planting environment is polluted, whether the pollution amount exceeds a certain range, whether the application of pesticides is standardized, and whether it is sprayed according to the safe application period.
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Food and vegetable contamination comes from four aspects:
First, industrial waste pollutes farmland, water sources and the atmosphere, resulting in the accumulation of harmful substances in vegetables;
Second, with the increase in the use of agricultural products, some harmful chemicals remain in vegetables;
Third, in the process of food production and processing, the improper use of some chemical pigments and chemical additives increases the harmful substances in food;
Fourth, microbial contamination caused by improper storage and processing.
Eating contaminated vegetables for a long time is very harmful to the body, among which there is acute poisoning, and the acute pathological reaction manifested in a short period of time is acute poisoning. Acute poisoning often leads to nerve palsy and even death, and even causes widespread death. Chronic hazards, long-term contact with or consumption of contaminated vegetables, pose a potential threat to human health, that is, chronic poisoning, can affect the nervous system, destroy liver function, cause physiological disorders, affect the reproductive system, produce deformed freaks, and lead to cancer.
Therefore, you must pay attention when buying vegetables.
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Vegetables have a short growth period, and if "chlormequatin" is used, it will still have a certain toxicity when harvested, which will definitely be harmful to people.
Signs of Poisoning Symptoms Patients have obvious muscarinic intoxication, which can inhibit the respiratory and circulatory centers, the disease is acute, the progression is rapid, and death usually occurs within a few hours of the onset of poisoning.
1) Gastrointestinal symptoms: nausea, vomiting, discomfort in the upper abdomen, abdominal pain, salivation, numbness of the lips, burning sensation and daily bitterness, etc., but those who are poisoned by accidental injection, such symptoms are mild.
2) Symptoms of neurotoxicity: very obvious, such as severe headache, fatigue, chest tightness, sweating, muscle tremor, obvious narrowing of pupils, etc., severe cases of convulsions of limbs, dyspnea, coma, incontinence, and the patient's complexion is pale.
3) Circulatory system damage: slow heartbeat, decreased blood pressure, low and dull heart sounds, and in severe cases, cardiogenic cerebral hypoxia is often complicated.
Chlormequat is a widely used plant growth regulator, which can be used for wheat, rice, cotton, tobacco, tomatoes, corn and flower seedlings, etc., which can make plants dwarf and strong, and can make crops drought and waterlogging tolerant. "Chlorquatin" has low toxicity to humans and animals.
"Chlormequatin" is mainly used for crops with a long growth period, so that crops at the seedling stage grow short and strong, do not lodging, and bear more fruits. By the time the crop bears fruit, "chlormequatin" has lost its toxicity.
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