Medicinal Uses. The major portion of rapeseed and mustard produced in India (c 95%) is utilized for extraction of oil. The type of machinery commonly employed for crushing are the primitive bullock-driven ghani (crusher), the power-driven rotary mill, and the expellers; solvent extraction method is used only to a small extent.
How is rapeseed oil extracted?
Solvent extraction is the most modern method, in which the seed or cake is exposed to the action of a solvent like food grade n-hexane. The rapeseed oil so obtained retains the smell of the solvent used, and needs to be deodorized later. This method is very efficient leaving only about 0.5-1.0 per cent oil in the residue.
What is rapeseed oil?
Rapeseed oil is one of the most commonly produced vegetable oils globally. In 2019, world production of rapeseed oil was 24 million tonnes, led by Canada, China, and India as the largest producers, accounting together for 40% of the world total.
Is rapeseed oil edible?
Canola field, Willamette Valley, Oregon, May 2017. Rapeseed oil is one of the oldest known vegetable oils. There are both edible and industrial forms produced from rapeseed, the seed of several cultivars of the plant family Brassicaceae.