Wood Pressed Groundnut Oil extraction
In the old days use wooden ghani to extract Groundnut oil using bulls. Now these mills are operated my electricity and modernized machines are came to the market with wooden crushing parts and low RPM mechanism.
Groundnut Oil also known as peanut oil? its king of all oils. Wood pressed oils produced in wood machine .. the process as fallow till reach consumer home.
Process of cold pressed Groundnut Oil Extraction
- Initial step in collecting quality seeds in terms of getting quality oil and quantity also matter in wood pressed oil extraction.
- Need to check any spoiled seeds if you find any blue color or black spoiled seeds need to remove through color seed separation machine, if volume is less can do manual sorting.
- Once seeds are selected need to check FFI and Moisture percentage in seeds with various electric or pressure testing machines. If seeds are sun dried properly we will get good quality oil.
- Based wooden machine capacity slowly pour the seed to machine bowl in running Ghana and add water slowly based on moisture content on seeds.
- Oil will start coming out from the seeds after 14 to 16 machine based on crushing speed and dryness of the seeds.
- For example if machine is 15 kg crushing capacity good quality seed moisture is ess than 6 % we can get oil with in 40 to 45 min of rotation.
- Minimum 2.3kg to 2.8 kg seeds required to get 1 ltr of oil.
- Once we collect the oil in steel container we need to keep for sedimentation. Different sedimentation pattern people will adopt based on the volume and whether condition.
- Usually we keep oil 4 to 5 days untouched to sediment after sediment filter with clean filter cloth or can use filtration machine.
- Once filtered can supply to consumer in different packing, we prefer and use glass and steel can pack to supply the oil, we avoid plastic interface in any process of oil extraction till reaches to consumer.
- Usually cold pressed oils foam will come in deep fry if the oil having more moisture, you can keep oil 2 to 3 days untouched it will be ok to use.
- All wood or cold pressed oils are lower self life because it's not treated any chemical or not heated once we open from air tight pack, can consume within 6 months.