Nutritional value and phytochemicals[edit]
Orange flesh is 87% water, 12% carbohydrates, 1% protein, and contains negligible fat (see table). As a 100 gram reference amount, orange flesh provides 47 calories, and is a rich source of vitamin C, providing 64% of the Daily Value. No other micronutrients are present in significant amounts (see table).
Oranges contain diverse phytochemicals, including carotenoids (beta-carotene, lutein and beta-cryptoxanthin), flavonoids (e.g. naringenin)[62|62] and numerous volatile organic compounds producing orange aroma, including aldehydes, esters, terpenes, alcohols, and ketones.[63|63]
Orange juice contains only about one-fifth the citric acid of lime or lemon juice (which contain about 47 g/L).[64|64]
An orange is a fruit of various citrus species in the family Rutaceae (see list of plants known as orange); it primarily refers to , which is also called sweet orange, to distinguish it from the related Citrus × aurantium, referred to as bitter orange.
https://en.wikipedia.org/wiki/Orange_(fruit)
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