When the weather is hot in summer, it should not be stored at room temperature for more than 2 hours, and it can be stored for a long time in winter, but it should not be stored for more than 6 hours. It is best to drink freshly squeezed juice in time, not to store it for too long. Fruit juice will taste worse if it is stored for too long.
When squeezed out, the juice retains the main nutrients in the fruit, but the vitamins in it are unstable in chemical properties and will gradually decompose and lose their activity; Some trace physiologically active substances will also be gradually lost or transformed into weaker forms.
Matters needing attention of freshly squeezed juice
Don't use aluminum containers for fruit and vegetable juice. With the improvement of people's health awareness, we all know that once aluminum is ingested in the body, it is difficult to discharge it, which directly damages brain nerve cells, slows down people's reaction and reduces their memory. Citric acid and fruit acid in freshly squeezed fruit and vegetable juice can promote the absorption of aluminum by human body, so remember not to use aluminum products to hold fruit and vegetable juice.
Don't give up eating fruits and vegetables because you drink fruit and vegetable juice. Freshly squeezed fruit and vegetable juice can supplement the deficiency of vegetables and fruits, but it can't be replaced.
Refer to the above? Baidu encyclopedia-fresh fruit juice