Do Not Hold these 3 Liquids in the Insulated Stainless Steel Water Bottles

In order to stay hydrated, many people choose to carry a vacuum insulated stainless steel water bottle/mug with them. Although the thermos bottle is convenient and easy to use, it can’t be loaded with some liquids. For example, the following three kinds of liquids, if used in a thermos bottle, may be detrimental to health:
• Lemonade
• Milk
• Hot Tea

1. Do Not Hold Lemonade
Because of its high melting point, stainless steel does not release undesirable substances due to high-temperature melting. However, stainless steel is vulnerable to a strong acid. If it is loaded with a strong acid like Citric Acid in Lemonade for a long time, it may cause damage to its inner liner. Lemonade is an acidic liquid that can corrode the inner wall of the stainless steel water bottle and easily damage the inner wall of the cup.

2. Do Not Hold Hot Milk
Some people put hot milk in a thermos water bottle. However, this method allows the microorganisms in the milk to rapidly multiply at a suitable temperature, causing spoilage and easily causing diarrhoea and abdominal pain. When the milk is in a high-temperature environment, vitamins and other nutrients tend to get destroyed, and the acidic substances in the milk will chemically react with the inner wall of the cup to affect human health. Health experts say that whether it is hot milk or acidic juice, it is best to drink in time.

3. Do Not Hold Hot Tea
It has been reported that tea contains a large amount of tannic acid, theophylline, aromatic oil and multivitamins, and it is only suitable to brew with water of about 80 degrees Celsius.

If you use a thermos water bottle to make tea or hold tea, soak the tea in high temperature, constant temperature water for a long time, just like boiling with a warm fire.

The vitamins in tea get destroyed a lot, the aromatic oil is volatilized, and the tannins and theophylline are leached in a large amount, which not only reduces the nutritional value of the tea, but also makes the tea juice tasteless, the tea tastes bitter, and the harmful substances increase. In this regard, health experts said that tea is indeed not suitable for long-term soaking, because soaking time is too long, tea may release heavy metal substances, which is harmful to health.

KingStar is a leading vacuum insulated stainless steel water bottle manufacturer. We focus on developing and manufacturing high quality vacuum insulated bottles, flasks, tumblers and mugs that aim at keeping drinks hot or cold for long hours.

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