Tomatoes are appreciated by ancient and modern doctors. Its mild cold taste sweet acid, raw jin quench thirst, cool blood to nourish the liver, clear heat and detoxification, treatment of hypertension, scurvy, prevention of arteriosclerosis, liver disease and so on.
The "Luchuan Materia Medica" records that tomatoes "nourish the stomach and eliminate food, cure thirst, and lose appetite." Tomatoes are rich in nutrients, and there are a variety of functions known as the fruit of the magic dish, even so, tomatoes can not be eaten casually, especially these kinds of people, usually try to eat less, otherwise it will only be harmful and useless.
01
Nutritional value of tomatoes
Tomatoes are rich in organic bases, tomato alkali and vitamin A, B vitamins, vitamin C and minerals such as calcium, phosphorus, potassium, magnesium, iron, zinc, copper and iodine.
In addition, tomatoes contain more than 20 kinds of carotene, such as α carotene, β carotene, lutein and zeaxanthin, which accounts for about 80% to 90%.
Eating 50 grams of fresh tomatoes per person per day can meet the body's needs for several vitamins and minerals.
Different nutrients have different effects:
1, lycopene: lycopene has a strong scavenging free radical effect, in the antioxidant, anti-aging effect is very obvious.
2, vitamin C: vitamin C has an important role in promoting the formation of collagen, can make the skin more elastic.
At the same time, it can also improve lipid metabolism, reduce cholesterol and triglyceride levels in plasma, and prevent the occurrence of myocardial infarction, atherosclerosis and other vascular diseases.
3, rich in malic acid, citric acid and other organic acids: these organic acids can promote the secretion of digestive juices very well, and have the benefits of improving digestion capacity.
4, rich in vitamin B1: in relieving muscle fatigue, improving nerve reactivity, protecting the heart is very obvious.
5, rich in carotene: often eat tomatoes can effectively enhance the body's immunity, carotenoids can reduce the death of children due to fever and cough, respiratory infections, measles and other diseases.
6, in addition, the potassium and magnesium ions in tomatoes can also dilate blood vessels and have a hypotensive effect.
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Tomatoes can't be eaten casually? Reminder: These 3 types of people, usually try to eat as little as possible, to listen to advice
Although tomatoes have high nutritional value, whether raw or cooked are very delicious and delicious, but it is also taboo to eat, in order to maximize the nutritional effect of tomatoes, we must understand who can not eat tomatoes casually, so as not to eat counterproductive, harmful to health.
These three types of people usually try to eat less tomatoes:
- People with renal dysfunction
Sources from the U.S. Department of Health and Human Services say that if you have problems with your body, then potassium intake should also be reduced.
And the potassium contained in tomatoes is relatively rich, if you eat too much, it will also affect friends with chronic kidney dysfunction, resulting in an increase in the burden on the kidneys, so it is recommended that people with kidney dysfunction in their lives should also try to eat less tomatoes.
- People on an empty stomach
Tomatoes are not suitable for eating tomatoes on an empty stomach, because the nutrients in tomatoes will chemically react with stomach acid to produce insoluble substances, and if tomatoes are consumed on an empty stomach for a long time, it may lead to blockage of the pylorus, resulting in stomach stones, stomach bloating, stomach pain and other symptoms.
However, if you eat tomatoes after a meal, it is not a big problem. After meals, stomach acid decreases in concentration due to mixing with food, so it does not chemically react with tomatoes.
- People with weak stomachs
From the perspective of Chinese medicine, tomatoes are cold, so patients with weak stomach and intestines may cause discomfort to the body if they consume tomatoes in excess.
Therefore, patients with acute gastroenteritis and acute dysentery caused by gastrointestinal weakness are not suitable for eating tomatoes so as not to aggravate the disease.
03
Do I need to peel my skin to eat tomatoes?
In fact, the skin of tomatoes can go or not, the skin of tomatoes is rich in lycopene, vitamins and dietary fiber, so eating tomato skin can get more nutrients, and it is convenient to eat, no need to peel.
But there are also many people who are worried that there will be pesticide residues on the tomato skin and the tomato skin itself is not easy to digest by our stomach, from this point of view, peeling is also possible.
There is actually a good way to digest the skin of tomatoes, which is to cut the tomatoes into small pieces, so that they are easier for us to digest. But there is no shortage of people who don't like to eat the skin, so how to peel it faster?
【Teach you a few tricks to quickly peel the skin】
Microwave heating
Just put the tomatoes in the microwave for half a minute, the tomatoes will soften slightly, and then we will rub the tomato skin a little while it is hot, and the skin of the tomato will easily fall off.
Roast tomatoes over fire
To prevent burns, we use a fork to fork at the bottom of the tomatoes. Then turn on the gas and bake the tomato peel slightly. The baking time is about 10 seconds, the time is too long, and eating it is not good for the body. During the roasting process the tomatoes will crack. The epidermis is also easy to remove.
04
How to choose tomatoes? Three points to keep in mind
Pick tomatoes, easy to remember and reliable, as long as you remember the following three points, you can't buy ripening tomatoes:
First point: look at the color. Naturally ripe tomatoes, the fruit part of the fruit stem can usually see green, while the ripening tomato is red throughout the fruit. The green part of the fruit pedicle is rarely seen.
Second point: look at the shape. Naturally ripe tomatoes with a well-proportioned body. Ripening tomatoes, on the other hand, are less symmetrical in appearance, some with obvious spires and some with edges.
Second point: pinch it. A sign of ripe tomatoes is soft rather than hard. Naturally ripe tomatoes, pinched soft to the touch. And ripe tomatoes, pinch up the feel is very strong.
Ripening tomatoes, in essence, are the same as immature tomatoes, and the toxic tomato alkali content is the highest, which will interfere with the Chinese central nervous system and be harmful to the human body. Naturally ripe tomatoes, tomatoes, are low or even completely absent.
05
Expand – How many tomatoes a day can you eat at most?
Gastroenterologists said: tomatoes can not be consumed in excess, each person eating 50 grams -100 grams of fresh tomatoes per day can meet the needs of the human body for several vitamins and minerals.
Although the content of vitamin C, vitamin E, calcium, iron and other content in tomatoes is high, which is of great benefit to the body, but because tomatoes are acidic foods, after eating, it can lead to increased gastric acid secretion, if excessive consumption, the gastrointestinal mucosa can cause damage, so it is necessary to avoid excessive consumption.