Groundnut oil extraction involves removing oil content of the groundnut seed. Study conducted in Northern Nigeria revealed that 75% of the rural women engaged in groundnut oil extraction used the traditional method despite the drudgery and inefficiency involved.
What is groundnut oil manufacturing process?
Groundnut oil manufacturing process is divided into two methods, the first is mechanical pressing and the second is solvent extraction. Mechanical pressing can extract 85% oil and the remaining oil is extracted by the solvent extraction method.
How does a groundnut machine work?
The groundnut seeds were pre-heated by roasting before extraction of the oil in it. The machine gave a better performance at the speed of 60 revolutions per minute and improvement in the design can be achieved by incorporation a heating chamber along the expeller barrel.
What is groundnut oil?
Groundnuts are also known as Peanut or Earthnut. The oil content in the peanuts is between 35% and 45% depending on the variety. Groundnut oil extraction involves several processes including groundnut decortication, cleaning, seed conditioning, crushing and filtration.