Raw white grapefruit is 90% water, 8% carbohydrates, 1% protein, and contains negligible fat (table). †Percentages are roughly approximated using US recommendations for adults. Nutrition Grapefruit, raw, white, all areas Nutritional value per 100 g (3.5 oz) Developed from an irradiated 'Hudson' grapefruit ('Hudson' being a limb sport of 'Foster', itself a limb sport of the 'Walters'), it has found limited commercial success because it is more difficult to grow than other varieties. The 'Star Ruby' is the darkest of the red varieties. Its improved attributes of mutant variety are fruit and juice color, deeper red, and wide adaptation. The 'Rio Red' is a mutation-bred variety that was developed by treatment of bud sticks with thermal neutrons. The 'Rio Red' variety is a 1984 registered Texas grapefruit with registered trademarks Rio Star and Ruby-Sweet, also sometimes promoted as Reddest and Texas Choice. Using radiation to trigger mutations, new varieties were developed to retain the red tones that typically faded to pink. The Texas Legislature designated this grapefruit variety the official "State Fruit of Texas" in 1993. The 'Thompson' was a limb sport from a 'Marsh' grapefruit selected in 1913. It was a limb sport of a 'Thompson' grapefruit selected by A.E. The 1929 'Ruby Red' (or 'Redblush') patent was associated with real commercial success, which came after the discovery of a red grapefruit growing on a pink variety. The varieties of Texas and Florida grapefruit include: 'Duncan', 'Flame', 'Henderson', 'Hudson', 'Marsh', 'Oro Blanco', 'Pink', 'Pummelo HB', 'Ray', 'Rio Star', 'Ruby Red', 'Star Ruby', 'Thompson', 'Triumph', 'Walters', 'White Marsh'. This parasitism has led to millions in economic costs for nations in Central America and southern North America. The larvae of these flies then consume the fruit to gain nutrients until they can proceed into the pupae stage. suspensa, which lay their eggs in overripe or spoiled grapefruits. Grapefruits are one of the most common hosts for fruit flies such as A. 'Ruby Red' (of the 'Redblush' variety) was the first grapefruit patent. Its flesh is segmented and acidic, varying in color depending on the cultivars, which include white, pink, and red pulps of varying sweetness (generally, the redder varieties are the sweetest). The fruit is yellow-orange skinned and generally an oblate spheroid in shape it ranges in diameter from 10 to 15 cm (3.9 to 5.9 in). They produce 5 cm (2 in) white four-petaled flowers. The leaves are long (up to 15 cm (5.9 in)), thin, glossy, and dark green. The evergreen grapefruit trees usually grow to around 5–6 m (16–20 ft) tall, although they may reach 13–15 m (43–49 ft). In 2021, world production of grapefruits (combined with pomelos) was 9.6 million tonnes, with China contributing 54% of the total.ĭescription Grapefruit growing in the grape-like clusters from which their name may derive In the past it was referred to as the pomelo, but that term is now mostly used as the common name for Citrus maxima. It has also been called the forbidden fruit. maxima), both of which were introduced from Asia in the 17th century. × sinensis) and the pomelo or shaddock ( C. It is an accidental cross between the sweet orange ( C. Grapefruit is a citrus hybrid that originated in Barbados in the 18th century. The interior flesh is segmented and varies in color from pale yellow to dark pink/red. aurantium, Syn: Citrus × paradisi) is a subtropical citrus tree known for its relatively large, sour to semi-sweet, somewhat bitter fruit.
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