Regarding the problem of filling stainless steel insulated cups with milk, some people said that it can actually be filled, which does not affect the thermal insulation effect of the stainless steel insulated cups. It is necessary to clean the milk promptly after each drink. Another thing is not to leave the milk in the stainless steel insulated cups for too long, otherwise the milk will generate odor and bacteria in the stainless steel insulated cups, affecting health.
The temperature in the thermos cup will gradually decrease over time. At about 20-40C, miscellaneous bacteria that fall into the air in the thermos cup will begin to multiply. The rich protein in milk exactly provides good nutrients for bacteria, making milk susceptible to bacterial contamination and spoilage. Bacteria can reproduce in milk at a very fast rate, about once every 20 minutes.
Milk in a insulation bottle deteriorates after 3-4 hours. Drinking spoiled milk can easily cause diarrhea, indigestion, or food poisoning. Therefore, it is advisable to consume the milk immediately after boiling, and if you cannot finish drinking it, you can put it into the refrigerator for storage.
How long can I keep milk in a insulation bottle？
If it is necessary to use a vacuum cup to hold milk, it is best not to store it for more than 1 hour. Because bacteria in a insulation bottle can typically reproduce for a generation in 20 minutes. Milk deteriorates in 3-4 hours. Drinking this milk can easily cause nausea, vomiting, and other uncomfortable symptoms.
