Writing Resources
Brassica napus Canola is a plant that use for edible purposes Their plant produce pods and three to five feet in height Seeds are present in these pods that are harvested and crushed to get meal and canola oil Canola plant produce small yellow flowers that add beautify in environment Their seeds have about 45 oil They are brownish-black in color and their seed size similar to poppy seeds Both look similar but rapeseed and canola plants are different Canola belongs to same family as broccoli cauliflower Brussels sprouts and mustard It grows at different part of world and canola oil consume all over the world 1 7 million acres of canola are grown an United State Canola develops from ancient plant breeding from rapeseed that is oil plant and used by old civilizations as fuel Word rape comes from Latin word rape that s mean turnip Brussels mustard and others belong to canola varieties that grown commonly One of oldest variety that grows by human is Brassica oilseed that use in India about 4000 years ago and also in Japan and China about 2000 years ago
Wild rapeseed oils contain a large amount of erucic acid but canola oil contain less than two percent erucic acid by this amount of erucic acid there is no significant effect on human health but it dangerous for the metabolism of other species Because of new breeding species of canola the erucic acid content decreased through out year Chemical analysis Some seed samples analyzed for fatty acid composition and tocopherols High-performance liquid chromatography and gas-liquid chromatography are used for tocopherol analysis and fatty acid respectively Oil contents of canola seeds vary between 30 6 and 48 5 of dry weight Oil content of rapeseeds found high compare with canola seed
