Udeh et al., (2010) designed, fabricated and evaluated a manually operated hydraulic oil extractor for groundnut. It is made up of a piston, cylinder, collector, hydraulic jack and frame.
What is groundnut oil extraction?
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.
How to remove oil from groundnut seed?
To remove the oil content from the groundnut seed, the process known as oil extraction, expelling or expressing is carried out.
What methods are used to extract peanut oil?
This review elucidates the methods used for extracting peanut oil, including mechanical and chemical processes that have been combined with biological or physical pre-treatment techniques. Their primary goals are to maximize oil extraction and unlock the untapped potential of defatted whole peanuts.