After more than 2 hours, freshly squeezed juice will breed a large number of microorganisms, causing discomfort to consumers, such as diarrhea. So at room temperature, do not exceed 2 hours.
Refrigerator storage time should not exceed 12 hours. Putting it in the refrigerator doesn't mean that it can be refrigerated for a long time. It should be drunk as soon as possible. The longest refrigeration time should not exceed 12 hours. Generally, there is no need to drink freshly squeezed orange juice after it has been refrigerated for nearly 12 hours.
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Sealed storage at low temperature. Self-made fruit juice is rich in nutrition, but it is easy to be oxidized in the air, and the ingredients are lost. It needs to be sealed and refrigerated to keep the vitamins in it longer. If there is a sealed can, it is best to put it in a sealed can. Fruit juice is easier to store under acidic conditions and its oxidation rate is slow. Homemade juice should be squeezed and drunk now, and try not to store it for too long.