There are many carcinogenic or cancer-promoting ingredients in food, and on the other hand, there are many anticancer substances that inhibit tumor formation. As mentioned earlier, vitamins A, C, D and E, minerals selenium, calcium, iodine, zinc, molybdenum and dietary fibres all have certain anti-cancer effects. But at the same time, we should also know the dose problem. High dose and excessive vitamin A can cause liver and bone damage, blurred vision and even blindness. It is also a teratogenic agent, and pregnant women should not take more. Too much or too much vitamin C can also cause symptoms such as intestinal discomfort and diarrhea. If the daily dose exceeds 10g, kidney calculi's disease may also occur. It can be seen that the intake of anticancer components is not "the more the better", so it should be applied in moderation. A reasonable diet itself is an important anti-cancer measure. Here are some anti-cancer foods for your reference.
(1) Corn: namely, corn, whose nutritional value exceeds that of flour and rice, can prevent arteriosclerosis, cardiovascular and cerebrovascular diseases, cancer, hypercholesterolemia, hypertension and other diseases if eaten regularly. Corn is rich in plant fiber, carotene, lysine, selenium and magnesium, which can improve people's immune function and play an anti-cancer role.
(2) Sweet potato: also known as sweet potato and sweet potato, it contains more carotene, lysine, plant fiber and dehydroepiandrosterone, which can prevent intestinal cancer and breast cancer.
(3) Pumpkin: rich in vitamin A, vitamin C, calcium, cellulose, tryptophan -P, etc. It can prevent obesity, diabetes, hyperlipidemia and hypercholesterolemia, and is a good food for preventing cancer.
(4) Wheat bran: Wheat bran is the warehouse of main nutritional components of wheat, which contains minerals such as B vitamins, selenium and magnesium and various plant fibers. Therefore, it is the best anti-cancer food fiber. Conducive to the prevention and treatment of colorectal cancer, diabetes, hyperlipidemia, constipation, hemorrhoids and so on.
(5) Radish and carrot: agricultural proverb "Eat radish in winter and ginger in summer, and you don't have to run a pharmacy all your life". Radish contains a variety of enzymes, which can eliminate the carcinogenic effect of nitrosamines; Its lignin can stimulate the immunity of the body; The spicy taste of radish comes from mustard oil, which can stimulate intestinal peristalsis. Radish contains a lot of vitamin C, and carrot is also rich in carotene. So they have a good anti-cancer effect.
(6) Mushrooms: rich in nutrients, containing essential amino acids, vitamins and minerals, selenium and abundant vitamin D, can enhance human immunity and help prevent gastric cancer and esophageal cancer.
(7) Asparagus: containing selenium and plant fiber, it can be used to prevent and treat various cancers.
(8) Bitter gourd: The anticancer effect of bitter gourd is due to its quinine-like protein, which can activate immunity.
(9) Eggplant: It is rich in nutrition and also contains solanine, cucurbitacin, stachydrine, choline and other substances, among which solanine and cucurbitacin have been proved to have anti-cancer effects.
(10) Garlic: Experiments have confirmed that allicin and allicin have a strong inhibitory effect on many cancer cells, and allicin can also block the synthesis of nitrosamines in the body. Garlic is rich in selenium and germanium, which can activate the phagocytosis of macrophages.
(1 1) Kelp: A kind of traditional Chinese medicine called Kelp, which is a good nutritional and health care product, has an obvious effect on improving human immunity. Kelp extract has inhibitory effect on a variety of cancer cells. Has the effects of lowering blood pressure, cholesterol and blood lipid, and preventing arteriosclerosis and coronary heart disease. It is reported that kelp can prevent breast cancer and thyroid tumor.
(12) Beans and bean products: Among beans, soybeans, peas, lentils, mung beans and sword beans contain nucleic acids that can prevent cancer. According to foreign research, injecting this nucleic acid and other components into mice with cancer can prevent the growth, atrophy and disappearance of tumor cells. Tofu and soybean milk eaten every day have anti-cancer effects. People who often eat soy products have a lower incidence of gastric cancer.
(13) Liliaceae (onion, onion, garlic, etc. ) and Cruciferae (cabbage, radish, Ju Jing, etc. Vegetables: contain a lot of sulfur-containing compounds, which can enhance the detoxification of foreign bodies by enzymes needed by the liver and enhance the anti-cancer effect.
(14) Green tea: According to extensive research at home and abroad, it is considered that tea, especially green tea, has a very obvious anti-cancer effect. Its main component is catechins, and the antioxidant components of green tea have obvious inhibitory effects on the malignant transformation of cells induced by various carcinogens, including aflatoxin, benzopyrene, cigarette carcinogens, amino acid pyrolysis products and so on. It has been reported in China that drinking 3 grams of green tea twice a day and making tea with 150 ml boiling water can prevent cancer.
(15) Others: such as jujube, hawthorn, kiwi fruit, grapes, dark plum, Chinese cabbage, cauliflower, Chinese cabbage, various seafood, etc.