Rapeseed - Brassica napus oleifera and Brassica rapa oleifera - is a plant of the cruciferous family Brassicaceae with yellow flowers and a thin, long and branched stem. Rapeseed is grown for seeds from which oil used in food and in industry for the production of biofuel (biodiesel) is obtained. The green plant is a valuable fodder, during the flowering period it is also important as honey. It is widespread in areas with an excessively dry temperate continental climate. It is the third largest source of vegetable oil in the world. Rapeseed - canola is a registered trademark of a canola hybrid, originally produced and grown in Canada in areas with an excessively dry temperate continental climate. Rapeseed oil was produced in the 19th century as a source of lubrication for steam engines. The oil has a bitter taste due to the high level of acids. Canola was produced precisely to reduce this amount of acid, resulting in a tasty oil.

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