As with other citrus fruits, orange pulp is an excellent source of vitamin C, providing 64% of the Daily Value in a 100 g serving. Numerous other essential nutrients are present in low amounts.
Oranges contain diverse phytochemicals, including carotenoids (beta-carotene, lutein and beta-cryptoxanthin), flavonoids (e.g. naringenin) and numerous volatile organic compounds producing orange aroma, including aldehydes, esters, terpenes, alcohols, and ketones.
Orange squeezer to make juice Orange juice contains only about one-fifth the citric acid of lime or lemon juice.
[Source - Wikipedia]