Orange juice needs to be refrigerated because it rarely contains preservatives. Most orange juice companies use little to no preservatives in their products in order to maintain the juice's natural flavors and taste. More »

Orange juice lasts approximately one to two weeks past its expiration date when stored unopened in the refrigerator. Opened orange juice lasts between five and seven days in the refrigerator. Freshly squeezed orange juic... More »

Orange juice helps some plants grow, but only when used in a very diluted form. Orange juice is acidic, so undiluted orange juice in large doses can kill a plant. More »

Orange juice contains a high amount of sugar and raises overall blood-glucose levels. It contains a high level of carbohydrates, which is broken down into sugar by the body, according to the National Diabetes Association... More »

www.reference.com Food Beverages Juice

Orange juice is somewhat harmful to the teeth, as it can actually diminish the hardness of the enamel. Orange juice is a particularly acidic fruit juice, and consequently increases the roughness of tooth enamel, in addit... More »

www.reference.com Food Beverages Juice

Citric acid occurs in orange juice in levels between 9.1 grams per liter and 16.9 grams per liter, depending on whether the juice is fresh-squeezed or commercially processed. Orange juice is a natural source of citric ac... More »

According to Waitrose, it takes between 13 and 15 oranges to produce a 1-liter bottle of orange juice. The size of the oranges plays a role in determining how much juice can be squeezed. More »