Tomatoes are rich in nutritional value. Eating tomatoes has many benefits. Especially in summer, many people like to eat tomatoes raw. But recently, there is a saying on the Internet: some tomatoes can't be eaten, which will cause nausea, vomiting and other toxic symptoms, and even death. It is also said that eating tomatoes cooked can double the nutrition. Is this really the case? Is it better to eat tomatoes raw or cooked? 01 Note: such tomatoes cannot be eaten · Tomatoes with black spots cannot be eaten After tomatoes are contaminated with Alternaria, the fungi will metabolize and produce toxins in the fruit, causing dark spots and corruption of tomatoes. This toxin is called Alternaria toxin. Although its toxicity is not as strong as aflatoxin, it still has cancer risk and other health risks. Therefore, tomatoes with black spots and rotten parts should not be eaten. This mycotoxin not only exists in the rotten part, but also spreads in healthy tissue within 2cm. Although the part 2cm away is relatively safe, it is suggested that the smaller tomatoes should be discarded entirely. · Immature tomatoes cannot be eaten Immature tomatoes contain solanine. When we ingest too much or eat solanine by mistake, it will cause nausea, vomiting and other toxic symptoms, and may even cause death. 02 There are three very important nutrients in tomatoes When it comes to tomatoes, which is more nutritious, cooked or raw? You have to know what nutrients are good for your health in tomatoes. · Vitamin C: antioxidant Vitamin C, also known as ascorbic acid, has strong antioxidant function. ·β Carotene: tighten skin, brighten eyes and prevent some cancers β Carotene will be converted into vitamin A in the body, which is good for eyesight. β Carotene is converted into vitamin A in the body, which is essential in maintaining the integrity of the skin mucosa and preventing skin dryness. It can form photosensitive substances in visual cells and play an important role in visual health. According to the research: β Carotene can also prevent and inhibit oral cancer and lung cancer. · Lycopene: antioxidant, improve the anti-inflammatory ability of body tissue Lycopene is a very important antioxidant in the body, which can improve the anti-inflammatory ability of body tissues and make the body immunity to a better state. Lycopene plays an important role in cardiovascular dredging and can prevent heart disease and arteriosclerosis; It can remove free radicals that cause aging and disease in the human body; It can improve human immunity and help delay aging; It can help prevent and improve prostatic hyperplasia, prostatitis and other urinary system diseases. There are three key points for the full release of lycopene: ① Chop ② High temperature ③ Contact with oil 03 Which is more nutritious, raw or cooked? Tomatoes eaten raw and cooked have their own advantages. Different eating methods can obtain different nutrients. Want to get vitamin C: the best way is to eat raw; Want to get lycopene β Carotene: the best way is to eat it cooked. It is recommended that the cooking time be controlled within 2 minutes. Note: the recommended storage temperature of tomatoes is 10 ℃ ~ 13 ℃. If you want to eat them raw to obtain vitamin C, don't put them in places with too high temperature or direct sunlight, which will affect the content of vitamin C. 04 Red tomatoes are more healthy In terms of varieties, red tomatoes have the highest lycopene content. In terms of maturity, the more mature tomatoes have higher lycopene content, so it is recommended to choose red ripe tomatoes. The content of lycopene in tomatoes on the market in summer is relatively high, mainly because the abundant sunshine and long illumination time in summer will greatly increase the content of lycopene. 05 Is the small tomato commonly known as "Saint fruit" more nutritious? The popular virgin fruit, scientific name "Cherry Tomato". From the comparison of experimental data, its nutritional value is indeed slightly better than that of tomatoes. The contents of vitamin C, vitamin E and lycopene in cherry tomatoes are slightly higher than those in tomatoes. Note: tomatoes are very healthy food and an important part of food matching, but don't expect a certain nutrient in a certain food to solve various health problems. 06 The following eight categories of people should eat less Although tomatoes are good, for some people, eating a lot of tomatoes in a short time will also have obvious side effects on the human body. The following eight categories of people should eat less: people with tomato allergy, people with renal dysfunction, patients with irritable bowel syndrome, people with gastroesophageal reflux disease / heartburn, people prone to stomach pain and abdominal pain, patients with urinary incontinence and cystitis, migraines, and people worried about skin discoloration. (outlook new era)