What can't be put in a thermos cup?

Many people like to carry a thermos cup when going out, but you must know that a thermos cup cannot hold everything. Here are the things that a thermos cup cannot hold.

Milk

Milk is rich in nutrients, and many people drink it at any time. However, because milk is rich in nutrients, vitamins and other nutrients are easily destroyed at high temperatures, and the microorganisms in it are also prone to multiply rapidly at suitable temperatures, high to spoilage and diarrhea. , stomach ache.

Juice with high acidity

Juice should not be kept at high temperatures to avoid destroying the vitamins. In addition, juice with high acidity can easily react chemically with the inner wall of the thermos cup, affecting human health.

Tea

Tea contains a large amount of tannic acid, theophylline, aromatic oils, and multiple vitamins, and should only be brewed with water around 80°C. If you use a thermos cup to make tea, the tea leaves will ferment easily under high and constant temperature conditions. Vitamins will be destroyed in large quantities, aromatic oils will volatilize, and tannins and theophylline will be leached out in large quantities. This will not only reduce the nutritional value of the tea, but also make the tea The juice has no fragrance, the tea tastes bitter, and harmful substances.

Traditional Chinese medicine

The acidic substances in traditional Chinese medicine are also easy to react with the chemicals contained in the inner wall of the thermos cup, producing harmful substances that damage the body. It is recommended that traditional Chinese medicine should be made of pottery or enamel and can be easily held.

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