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The flowers have two lateral stamens with brief filaments, and four median stamens with longer filaments whose anthers split away from the flower’s center upon flowering. The rapeseed pods are green and elongated siliquae during growth that finally ripen to brown. 3⁄16 in) lengthy, and may range from 5 to 10 cm (2 to four in) in size. Each pod has two compartments separated by an inner central wall within which a row of seeds develops. The seeds are round and have a diameter of 1.5 to 3 mm (1⁄16 to 1⁄8 in). The time period rape” derives from the Latin phrase for turnip, rāpa or rāpum, cognate with the Greek phrase ῥάφη, rhaphe. The species Brassica napus belongs to the flowering plant family Brassicaceae. Rapeseed is a subspecies with the autonym B. napus subsp. It encompasses winter and spring oilseed, vegetable and fodder rape. Siberian kale is a distinct leaf rape form variety (B. The second subspecies of B. napus is B. napus subsp.

B. napus is a digenomic amphidiploid that occurred because of the interspecific hybridization between B. oleracea and B. rapa. It’s a self-compatible pollinating species like the opposite amphidiploid Brassica species. In Northern Ireland, B. napus and B. rapa are recorded as escapes in roadside verges and waste floor. Rapeseed is grown for the production of edible vegetable oils, animal feed, and biodiesel. Rapeseed was the third-leading source of vegetable oil on the earth in 2000, after soybean and palm oil. It is the world’s second-leading source of protein meal after soybean. Rapeseed oil is among the oldest recognized vegetable oils, however historically was utilized in restricted portions attributable to high ranges of erucic acid, which is damaging to cardiac muscle of animals, and glucosinolates, which made it much less nutritious in animal feed. Rapeseed oil can contain up to 54% erucic acid. Food-grade oil derived from rapeseed cultivars, generally known as canola oil or low-erucic-acid rapeseed oil (LEAR oil), has been typically acknowledged as protected by the United States Food and Drug Administration.

These low levels of erucic acid should not believed to cause harm in human infants. Processing of rapeseed for oil production produces rapeseed meal as a byproduct. The byproduct is a high-protein animal feed, competitive with soybean. Rapeseed is a superb silage crop (fermented and stored in air-tight conditions for later use as a winterfeed). The feed is employed principally for cattle feeding, however can be used for pigs and poultry. However, the excessive levels of erucic acid and glucosinolates in pure rapeseed oil considerably lowers the nutritional value of rapeseed press cakes for animal feed. In China, rapeseed meal is generally used as a soil fertilizer relatively than for animal feed. Rapeseed oil is used as diesel gas, both as biodiesel, straight in heated fuel systems, or blended with petroleum distillates for powering motor autos. Biodiesel may be used in pure kind in newer engines without engine harm and is regularly mixed with fossil-fuel diesel in ratios various from 2% to 20% biodiesel.

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