American Journal of Food Science and Technology
ISSN (Print): 2333-4827 ISSN (Online): 2333-4835 Website: Editor-in-chief: Hyo Choi
Open Access
Journal Browser
American Journal of Food Science and Technology. 2016, 4(6), 173-177
DOI: 10.12691/ajfst-4-6-3
Open AccessArticle

A Percolator for Defatting Oil Seeds by Solvent Extraction

Ogunsina Babatunde S1, , Olasoju Abayomi S2, Jayeoba Kehinde F3, Koya Olufemi A4, Adenuga Kehinde O4 and Soluade Oluwaseun Y.4

1Department of Agricultural and Environmental Engineering, Obafemi Awolowo University, Ile Ife, Nigeria

2Department of Agricultural Science Education, Adeniran Ogunsanya College of Education, Lagos, Nigeria

3Department of Agricultural/Mechanical Engineering, Adeleke University, Ede, Nigeria

4Department of Mechanical Engineering, Obafemi Awolowo University, Ile Ife, Nigeria

Pub. Date: October 09, 2016

Cite this paper:
Ogunsina Babatunde S, Olasoju Abayomi S, Jayeoba Kehinde F, Koya Olufemi A, Adenuga Kehinde O and Soluade Oluwaseun Y.. A Percolator for Defatting Oil Seeds by Solvent Extraction. American Journal of Food Science and Technology. 2016; 4(6):173-177. doi: 10.12691/ajfst-4-6-3


A percolator was developed to defat oilseeds by solvent extraction. The percolator, largely made of stainless steel has a hopper which opens into the extraction chamber through an 80 mm chute. The device is capable of holding about 10 kg of oilseed flakes immersed in solvent. The extraction chamber is equipped with an oil-tight base flange, which bears a filter to drain out the miscella and through which the defatted material may be discharged. The machine which was tested with groundnut, soybean and moringa seeds gave extraction efficiencies of 98.1, 95 and 93.4%, respectively. A device of this nature saves the monotonous routine involved in the use of soxhlet apparatus for defatting oilseeds when large quantity of oil is required for experimental purpose.

oilseeds oil extraction percolator defatting

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit


Figure of 5


[1]  Beaumont, J.H. (1981). A hand-operated winnower. Tropical Products Institute Rural Technology Guide, 11: 10-20. Great Britain.
[2]  Vadke, V.S. and Sosulski, F.W. (1988). Mechanics of oil expression from Canola’. Journal of the American Oil Chemists' Society, 65(7): 1169-1176.
[3]  Head, S.W., Hammonds, T.W. and Harris, R.V. (1989). ‘Experiences with small-scale oil expellers in developing countries’ In: A Symposium on Edible Oil Processing, The Institution of Chemical Engineers, USA.
[4]  Unido, H. (1986). Manual for the Preparation of Industrial Feasibility Studies. Vienna: UNIDO.
[5]  Sivakumaran, K. and Goodrum, J.W. (1988). Laboratory oilseed processing by a small screw press. Journal of the American Oil Chemists' Society, 65(6): 932-935.
[6]  Haque, M.A., Islam, M.P., Hussain, M.D., Khan, F. (2009). Physical, mechanical properties and oil content of selected indigenous seeds available for biodiesel production in Bangladesh. Agricultural Engineering International: The CIGR Ejournal. Manuscript 1419, Vol IX.
[7]  Johnson, L.A. and Lusas, E.W. (1983). Comparison of alternative solvents for oil extraction. Journal of the American Oil Chemists’ Society, 60(2): 229-242.
[8]  Gunstone, F.D. (2002). Vegetable Oils in Food Technology: Composition, Properties and Uses. First Edition. CRC Press, USA. pp. 1-10.
[9]  Williams, M.A. (1996). Obtaining oils and fat from source materials. Bailey’s Industrial Oil and Fat Products, Fifth Edition, John Wiley and Sons, NY. pp. 106-138.
[10]  Nagaraj, G. (2009). Oilseeds Properties, Processing, Products and Procedures. 2nd Ed. New India pub., New Delhi, India.
[11]  Saunders comprehensive veterinary dictionary (2008). htm. Accessed on May 8th, 2010.
[12]  Perry, R.H. and Green, D.W. (1999). Perry’s Chemical Engineers’ Handbook, 7th ed. McGraw-Hill Book Company, New York.
[13]  Shigley, J.E., Mischke, A.R. and Budynas, R.G. (2006). Mechanical Engineering Design, McGraw-Hill Book Company, New York. pp 208-260.
[14]  Ogunsina, B.S and Lucas, E.B. (2009). The development of a manually operated cashew juice extractor. Tropical Agriculture, 86(2): 72-82.
[15]  Sanders, M.S and McCormicki, E.J. (1987) Human Factor in Engineering Design. McGrawHill Book Company, New York.
[16]  Davison, B. and Graham, W. (2005). Steel Designers’ Manual. Steel Construction Institute, 6th Ed.
[17]  Ogunsina B.S, Radha C and GovardhanSingh, R.S. (2010) Physicochemical and functional properties of full-fat and defatted Moringa oleifera kernel flour. International Journal of Food Science Technology, 45:2433-2439.
[18]  Ogunsina, B.S and Radha, C. (2010). Comparative study of the functional and physico-chemical properties of debittered Moringa oleifera seeds and soybeans flours. Ife Journal of Technology, 19(1): 85-92.
[19]  Alberta, N.A.A. and Benjamin, K.S. (2009). Comparative studies on the yield quality of solvent extracted oil from salmon skin. Journal of Food Engineering, 92(3): 353-358.
[20]  Gopalan, C., Rama Sari, B.V. and Balasubramanian, S.C. (2007). Nutritive Value of Indian Foods. Pp. 20–30. Hyderabad: National Institute of Nutrition, Indian Council of Medical Research. pp.48.
[21]  Tzia, C. and Liadakis, G. E. (2003). Extraction Optimization in Food Engineering. CRC Press, Taylor and Francis Group.