Grasas y Aceites, Vol 58, No 2 (2007)

Modelling the hexane extraction of soya enzymatically pretreated grits

F Grasso
Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Argentina

B Maroto
Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Argentina

C Camusso
Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Argentina

N Zaritzky
Facultad de Ingeniería, Universidad Nacional de La Plata, Argentina


In this work, the influence of the variables which can affect oil extraction from soybean enzymatically pretreated grit using hexane, were studied. From the experimental results, a mathematical model for calculating the extraction yield was proposed. The statistical tests used to obtain this model showed that the yield does not depend on the enzymatic incubation pH but on the temperature and time of enzymatic treatment and on the interaction between time and temperature. The proposed model fit the experimental data well.


Soybean oil; Degradation; Enzymes; Hexane extraction; Mathematical model

Full Text:



Abraham G, Hron Sr R. y Koltun S. 1988 Modelling the solvent extraction of oilseeds. J. Am. Oil Chem. Soc. 65, 129 -135. doi:10.1007/BF02542564

Domínguez H, Nuñez M y Lema J. 1993. Oil extractability from enzymatically treated soybean and sunflower: range of operational variables. Food Chem. 46, 277-284. doi:10.1016/0308-8146(93)90119-Z

Dominguez H, Sineiro J, Núñez M y Lema J. 1996. Enzymatic treatment of sunflower kernels oil extraction. Food Chem. 28, 537-545.

Fan H y Morris J. 1948. Diffusion phemomena in solvent extraction of peanut oil. Industrial and Engineering Chemistry 40, 195-199. doi:10.1021/ie50458a003

Grasso F, Maroto B y Camusso C. 2002. Influencia de las variables de proceso en un pretratamiento enzimático para extracción de aceite de soja. XIX Congreso Argentino de Química. Versión en CD. Santa Fé, Argentina, Agosto de 2002.

Grasso F, Maroto B y Camusso C. 2003. Pretratamiento enzimático para mejorar la extracción de aceite por solvente a partir de laminado de soja. XIX Jornadas IRAM-Universidades y IV Foro Unilab.Versión en CD, San Luis, Argentina, Octubre de 2003.

Kadi H y Fellag H. 2001. Modeling of oil extraction from olive foot cake using hexano. Grasas y Aceites 52, 369-372.

Montgomery, D. 1991. Design and analysis of experiment, Wiley Inc, New York, USA.

Olsen H. 1988. Aqueous enzymatic extraction of oil from seeds. Asian Food Conference ‘88, Thailand, Novo: A-0641a.

Shankar D, Agrawal Y, Sarkar B y Singh B. 1997. Enzymatic hydrolysis in conjunction with conventional pre-treatment to soybean for enhanced oil availability and recovery. J. Am. Oil Chem. Soc. 74, 1543-1547. doi:10.1007/s11746-997-0074-4

Smith D, Agrawal Y, Sarkar B y Singh B. 1993. Enzymatic hydrolysis pretreatment for mechanical explelling of soybeans. J. Am. Oil Chem. Soc. 70, 885-890. doi:10.1007/BF02545348

Copyright (c) 2007 Consejo Superior de Investigaciones Científicas (CSIC)

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Contact us

Technical support