Korean pomelo tea preservation method: after opening the bottle should be locked tightly into the refrigerator to keep cold. I now have at home, remember to open must be put in the refrigerator Oh (box above is such a description) Ancient times there is no refrigerator, so the ancient people when to eat when to do, save a few days or no problem. Of course, modern businessmen, in order to avoid responsibility, everything is said to "open the lid and put in the refrigerator", which is also for more people to buy. Traditional food, room temperature if mold, as long as the purchase does not deteriorate, the claim is difficult, one, the law does not provide, two, that is, in ancient times, food also has a shelf life.