A few days ago, the vacuum insulated stainless steel water bottle with the representative of "middle-aged crisis" caught fire in the circle of friends, and instantly set off a "health wind" on the network. After winter, people who like to drink hot drinks are holding a vacuum insulated stainless steel water bottle. The structure of vacuum insulated stainless steel water bottle is relatively complex. Compared with open cup without cover, vacuum insulated stainless steel water bottle is more likely to become a potential health hazard near people's mouth, and health problems are often ignored by people.
Untimely cleaning or improper use of vacuum insulated stainless steel water bottles will lead to a large number of bacteria hiding in them. There are many hygienic dead corners, such as inner gallbladder, bottle cap gap and so on. It's hard to reach these areas when you wash them properly.
The following drinks are not allowed to use thermos vacuum insulated stainless steel water bottles
Acidic drinks. If the inner liner of the vacuum insulated stainless steel water bottle is made of high manganese and low nickel steel, it can not be used for acidic drinks such as fruit juice or carbonated drinks. This material has poor corrosion resistance and is liable to precipitate heavy metals when it is acidic. Long-term acidic drinks may damage human health. In addition, fruit juice is not suitable for high temperature preservation, in order to avoid the destruction of nutrients, and high-sweetness beverages are prone to microbial growth and deterioration.
Milk. Some people put hot milk in a thermos vacuum insulated stainless steel water bottle and drink it with them. However, acidic substances in dairy products will react with stainless steel, which is not conducive to human health. Milk microorganisms in higher temperatures will also accelerate the reproduction, so that milk spoilage, deterioration, abdominal pain, diarrhea and other discomforts.
Tea. When many middle-aged and old people go out, they like to pour hot tea on their vacuum insulated stainless steel water bottles, which will not get cold in a day. But if the tea is immersed in hot water for a long time, its nutrients will be destroyed and the tea will become bitter and astringent.