If the thermos cup is not used well, will it cause harm to health?

Now I often hear some people say that "if you want to be in good health, drinking water from a thermos cup is indispensable", so you will bring a thermos cup when you go to **. However, if the thermos cup is not used well, it is not only not healthy, but also may be harmful to health!

1. Don't put these 6 drinks in a thermos cup!

1. Acidic drinks.

For example, sour plum soup, lemonade.

Because of its high melting point, stainless steel will not release undesirable substances due to high temperature melting, but stainless steel is most afraid of strong acids, and if it is filled with acidic drinks for a long time, it is likely to damage its inner tank.

In addition, in order to avoid the destruction of nutrients, the juice is not suitable for high temperature storage. The thermos cup has a good seal, and the beverage with high sweetness is easy to breed a large number of microorganisms and cause deterioration.

2. Carbonated drinks.

Carbonated beverages should not be placed in the thermos cup to avoid dangers such as rising internal pressure, resulting in the inability of the cork to be opened or the contents to be sprayed.

3. Tea. If you use a thermos cup to make tea, so that the tea is soaked in high temperature and constant temperature water for a long time, just like decoction with warm fire, a large number of vitamins in the tea are destroyed, aromatic oil volatilization, tannic acid, theophylline a large number of leaching, not only reduce the nutritional value of tea, but also make the tea juice fragranceless, tea taste bitter, if the soaking time is too long, the tea may also release heavy metal substances, harmful to health.

4. Salty drinks.

Because the inner tank of the thermos cup is sandblasted and electrolyzed, the electrolyzed inner tank can avoid direct contact between water and stainless steel material and physical reaction, while the salt contains corrosiveness that may cause damage to it, and it is not suitable for long-term storage in the cup.

5. Dairy products and fruit juices.

Some people put hot milk in a thermos cup so that they can take it with them, but this practice allows the microorganisms in the milk to multiply quickly at the right temperature, leading to spoilage, diarrhea and abdominal pain.

In the high temperature environment of milk, vitamins and other nutrients will be destroyed, and the acidic substances in the milk will also react with the inner wall of the thermos cup, affecting human health.

6. Traditional Chinese medicine. Some people also like to soak Chinese medicine in a thermos cup to make it easy to carry and drink. However, the decoction of Chinese medicine generally dissolves a large number of acidic substances, which is easy to react with the chemicals contained in the inner wall of the thermos cup and dissolve into the decoction, which has adverse effects on the human body.

Second, use a thermos cup, this is healthy!

1. Don't leave any drink too long.

Whether it is water or drinks, it is fresh and the healthiest, and it is okay for office workers to use thermos cups to fill milk, Chinese medicine, etc., but they should still pay attention to drinking as soon as possible.

2. Clean the sealing ring frequently.

Many people think that the thermos cup has good sealing and is not easy to be polluted, but they don't know that the sealing ring of the cup lid is a breeding ground for bacteria, and it is easy to pollute the water in the cup, so it is good to clean it frequently.

For stains that are difficult to remove, you can rinse them with a neutral detergent or wash them with diluted vinegar, and the washing time should not be too long, so as not to damage the passivation film.

3. Don't put boiling water into the thermos cup immediately.

No matter which kind of thermos cup you use, it is recommended that you do not pour the freshly boiled water directly into the thermos cup, but can choose to lower the water temperature below 70 and then pour it into the thermos cup.

When we choose a thermos cup, as long as we choose a big brand, there is no problem, but there are some thermos cups that are not of good quality, and the stainless steel inside may cause cancer.

If the thermos cup is not used well, it will indeed be harmful to the body, because the thermos cup is not used well, and it is very likely that the bacterial colonies in it will exceed the standard. And there is a high probability that nitrite will appear.

Regular thermos cups will not cause harm to the body, unless you use an inferior thermos cup, which is not produced by a regular manufacturer, which is harmful to your health.

Stainless steel mug is not toxic. Stainless steel thermos cup belongs to alloy metal products, according to different uses, the trace metal elements contained in it will be different, common metal elements are chromium, nickel, silicon, carbon, aluminum, etc. Iron is a trace element that the human body needs every day, and this element cannot be provided to us in the glass.

Just like the pot we usually stir-fry also need to choose an iron pot, the reason is the same.

The stainless steel thermos cup is mainly produced by the combination of inner and outer double-layer stainless steel materials through vacuum technology. Its vacuum structure can effectively control the three ways of heat transfer: heat conduction, heat convection and heat radiation, so as to achieve the purpose of heat preservation, cold preservation and freshness. Therefore, it has the advantages of heat preservation, cold preservation, and freshness, and has the three advantages of health, fashion, and environmental protection, which is in line with the current requirements of green environmental protection and low-carbon economy, and is consistent with people's consumption concepts and fashion trends.

The thermos cup is generally made of food-grade stainless steel, which will not be harmful after a long time, but if the thermos cup is not filled with boiling water, but tea or milk, soy milk and other substances, it should be drunk with caution. Preserving milk in this thermos will make the bacteria in the milk multiply faster and will also destroy the vitamins in the milk.

Tea contains a lot of tannic acid, theophylline and aromatic oil, but also contains a variety of vitamins, if you use a thermos cup to make tea, the tea will be soaked in high temperature water for a long time, which will greatly reduce the nutritional value of tea.

The thermos cup is generally made of ceramic or stainless steel and a vacuum layer to hold water, with a lid on the top, tightly sealed, and the vacuum insulation layer can make the water and other liquids installed inside delay the heat dissipation, so as to achieve the purpose of heat preservation.

In the process of using the thermos cup, it is necessary to avoid collision and impact, so as not to damage the cup or plastic, resulting in thermal insulation failure or water leakage.

No. Generally, the resale warm cup has the dual effect of heat preservation and cold insulation. The principle of the thermos cup is to block several transmission paths of heat, and the heat in the cup cannot be conducted to the outside of the cup after the hot water is filled, and the hot water will cool slowly; After filling the ice water, the heat transfer from the outside of the cup to the cup is also blocked, and the ice water in the cup heats up slowly, so it has the effect of heat preservation to keep the temperature from rising or rising slowly.

How to choose a thermos cup:

1) First of all, you should choose a one-piece bottle body, and pay attention to the welding method of the bottle when purchasing. If there are line seams on the bottle body, that is, a whole piece of stainless steel plate is rolled up and then welded, which means that it has been welded. And its soldering material, solder itself, is a poison containing heavy metals.

2) Observe the cup lid again, do not choose the cup lid with complex composition, some cup lid components are not a single plastic, and once the composition is complex, the toxicity will be complicated.

3) Many cup lids have a design that opens with pressure leakage, although it is very convenient, but such a design, because most of them contain rubber components and hide the crisis, not only difficult to clean, but also release toxins when encountering high temperatures.

4) In terms of material, because ceramics and glass are inconvenient to carry, it is safer to use stainless steel thermos cups, and the rubber mentioned above is best replaced by silicone with a milky white appearance and a soft touch. However, it is also necessary to pay attention to the composition of stainless steel, which contains a large amount of nickel and cadmium, and will release carcinogenic toxins such as heavy metals when heated.

The thermos cup is made of metal, food-grade 304 stainless steel, and the regular stainless steel thermos cup is selected, which will not be harmful after a long time. But if the stainless steel thermos cup is not filled with boiling water, but tea or milk, soy milk and other substances, everyone has to be cautious about drinking it.

Tea contains a large amount of tannic acid, theophylline and aromatic oil, but also contains a variety of vitamins, if you use a thermos cup to make tea, the tea will be soaked in high temperature water for a long time, will greatly reduce the original nutritional value of tea, so that the tea has no fragrance and bitter taste, and the harmful substances in the tea will also increase. If the milk is washed in this thermos cup, the bacteria will multiply every 20 minutes, and the milk will spoil after 3-4 hours. In addition, the constant temperature in the thermos cup can destroy the vitamins in the milk, which will also directly affect the physical and mental health.

Harmless. However, if the stainless steel thermos cup is filled with tea or milk, soy milk and other substances, you must drink it with caution. Tea contains a large amount of tannic acid, theophylline and aromatic oil, but also contains a variety of vitamins, if you use a thermos cup to make tea, the tea will be soaked in high temperature water for a long time, will greatly reduce the original nutritional value of tea, so that the tea has no fragrance and bitter taste, and the harmful substances in the tea will also increase.

The vacuum insulation layer can make the water and other liquids installed in the vacuum to delay heat dissipation, so as to achieve the purpose of heat preservation There are many layers in the thermos cup, and its interlayer is generally vacuum to prevent heat conduction, and then plated with silver, so as to prevent heat radiation. Some cups have cork stoppers on their lids, also to prevent heat conduction.