The content of vitamin C in tomato is about 10 times that of watermelon. Moreover, due to the protection of organic acids, the vitamin C contained in it is not easy to be destroyed during storage and cooking, and the utilization rate of human body is very high.
Tomatoes are also rich in carotene and vitamin B family, including rutin, which has a certain effect on protecting vascular health and preventing hypertension. The content of multivitamins is 2 -4 times higher than that of apples, pears, bananas and grapes, and contains various minerals accounting for 0.6% of the total weight.
The value of tomatoes
Tomatoes are also appreciated by ancient and modern doctors. They are slightly cold in nature and sweet in taste, promoting fluid production to quench thirst, cooling blood and nourishing liver, clearing away heat and toxic materials, treating hypertension and scurvy, and preventing arteriosclerosis and liver diseases. According to Lu Chuan's Materia Medica, tomatoes "strengthen the stomach and help digestion, and cure thirst and loss of appetite." Patients with hypertension eat two tomatoes on an empty stomach for half a month in the morning, which has the effect of lowering blood pressure. Eating tomatoes 2-3 times a day instead of fruit is effective in treating gingival bleeding after two weeks. Half a cup of tomato juice, half a cup of watermelon juice, mixed to take, antipyretic and polydipsia. Mix tomato juice with sugarcane juice or hawthorn juice to treat stomach heat and dry mouth.
Modern doctors have also found that organic acids contained in tomatoes can soften blood vessels, promote the absorption of calcium and iron, and have a convergence effect on intestinal mucosa. It contains malic acid and citric acid, which can help gastric juice digest fat and protein. Most of the sugars contained are fructose and glucose, which are easy to absorb and have the function of nourishing the heart and protecting the liver. Lycopene has anti-inflammatory and diuretic effects, which is especially beneficial to patients with kidney disease. It contains a small amount of lycopene, which can inhibit the reproduction of various bacteria and pathogenic fungi. Peeling tomatoes and mixing them with honey can also cure constipation. Sliced tomatoes cooked with a little salt as tea have the effect of clearing away heat and relieving summer heat. Although tomatoes contain a small amount of oxalic acid, they also contain a variety of salts that can subdue the harmful effects of oxalic acid, such as citrate, tartrate, oxalate, etc., which are helpful to destroy calcium precipitation in patients with rheumatism and gout, so it is beneficial and harmless for patients with two diseases to eat tomatoes.
Tomatoes also have cosmetic effects. This product is high in vitamins and low in calories, which is a good food to relieve hunger when people need to control their diet, and has a certain effect on keeping women slim. Mash tomatoes to get juice, add a little honey and fresh soybean powder, mix well, apply it on face and arm for 15 minutes, and then wash it, which can remove wrinkles at ordinary times. If you drink 1 cup of tomato juice every day, add a proper amount of cod liver oil, or drink tomato juice often, or wash your face with tomato juice, you can make your face shiny and ruddy. Glutathione contained in tomato is an indispensable substance to maintain normal metabolism of cells, which can inhibit the activity of tyrosinase, make hypopigmentation deposited in skin and viscera disappear, and play a role in preventing butterfly spots or senile spots.
It is true that the toxicity of tomatoes in ancient legends has been proved incredible, but modern pharmacological research has also found that the alkali contained in immature tomatoes is often easy to cause poisoning if it is absorbed into the human body in a large amount in a short time. Its symptoms: nausea, vomiting, dizziness, salivation and general fever, and even life-threatening in severe cases. Therefore, immature tomatoes should not be eaten raw, even cooked food should be burned thoroughly. If vinegar is added in the cooking process, it can destroy lycopene and avoid poisoning. All patients with acute enteritis, bacillary dysentery and active ulcer should not eat it, otherwise it will aggravate the condition.
References:
Baidu encyclopedia tomato