What Beverages Should Not Be Put in a Thermos Cup: A Guide to Healthy Usage

April 5, 2024

Healthy lifestyle is also a way of health preservation. Take the thermos cup that I am going to talk about today as an example. The thermos cup allows you to drink warm water anytime, anywhere, and can also be used to hold other beverages. However, there are some things that should not be put in it. So, what can't be put in a thermos cup?


What beverages should not be put in a thermos cup

1. Do not put milk in it

Milk should not be put in a thermos cup. If hot milk is put in a thermos cup, the microorganisms in the milk will quickly multiply at the appropriate temperature, leading to spoilage and causing diarrhea and abdominal pain.

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

2. Do not brew tea

Tea contains a large amount of tannic acid, caffeine, aromatic oils, and various vitamins. It should only be brewed with water at around 80℃.

If tea is brewed in a thermos cup, the tea leaves will ferment easily under high temperature and constant temperature conditions, causing a large amount of destruction of vitamins, volatilization of aromatic oils, and a large amount of release of tannic acid and caffeine. This not only reduces the nutritional value of tea, but also makes the tea tasteless and bitter, with an increase in harmful substances.

3. Do not carry Chinese herbal medicine

Some people like to soak Chinese herbal medicine in a thermos cup for convenient drinking.

However, the boiled Chinese herbal medicine contains a large amount of acidic substances, which can easily react with the chemical substances in the inner wall of the thermos cup and dissolve into the herbal soup, causing adverse effects on the human body.


How to correctly use a newly purchased thermos cup

1. First, after opening the thermos cup, it is best to use boiling water or some detergent to wash it several times to achieve high-temperature disinfection.

2. Before using it, in order to achieve good thermal insulation effect, it is best to preheat or cool it with boiling water or cold water for about 10 minutes. When adding water to the thermos cup for the first time, do not fill it too full to avoid scalding when tightening the cup lid and causing hot water to overflow.

The thermal insulation performance of a newly purchased thermos cup is definitely very good, so be careful when drinking hot drinks with it to avoid misjudgment and scalding.

3. Carbonated drinks should not be stored in a thermos cup for a long time, as it will affect the taste of the beverage and damage the thermos cup.

After using the thermos cup, it is important to clean it in a timely manner. It is best to use a soft cloth and food detergent diluted with warm water to clean it.

4. Do not use hard objects to wipe the surface of the thermos cup, as it will damage the silk screen or transfer printing on the surface. Do not soak it for cleaning.

When using it, first pour in a small amount of boiling water, then pour it out and pour in hot water for better thermal insulation effect. If you put in ice water, it can still maintain the original coolness within 12 hours.

Plastic parts and silicone rings should not be scalded with boiling water.

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