About 0℃: Rootstock and leafy vegetables are mostly cool-loving fruits and vegetables (native to temperate and cold regions), and their suitable storage temperature is 0-2℃, not lower than 0℃. Chinese cabbage, spinach, cauliflower, celery, carrots, peaches, grapes and apples. When these fruits and vegetables are just purchased, it is best not to put them in the cold storage immediately, because low temperature will inhibit the enzyme activity of fruits and vegetables, so that the residual poison cannot be decomposed. Therefore, it is best to store these fruits and vegetables at room temperature for one day and then put them in the cold storage.
10℃: tomatoes, cucumbers, sweet peppers, lychees, bitter melons, cowpeas and pumpkin lanterns are generally stored at 10℃; Because of the high water content, these fruits and vegetables will turn black, soften and taste bad after long-term refrigeration.
/kloc-above 0/0℃: tropical fruits are best stored in a dark and cool place. If it must be put into the cold storage, it should be put in a cold storage with high temperature, and the storage time should not exceed two days. The suitable storage temperature of bananas, lemons and pumpkins is 13- 15℃, and they are easy to turn black and rot when stored at low temperature.