Extraction of oil from evening primrose seed with supercritical carbon dioxide

1994 ◽  
pp. 168-180 ◽  
Author(s):  
B.-C. Lee ◽  
J.-D. Kim ◽  
K.-Y. Hwang ◽  
Y. Y. Lee
Keyword(s):  
Carbon Dioxide ◽  
Supercritical Carbon Dioxide ◽  
Evening Primrose ◽  
Supercritical Carbon

scholarly journals Critical review of supercritical carbon dioxide extraction of selected oil seeds

2010 ◽  
pp. 105-120 ◽  
Author(s):  
Milan Sovilj
Keyword(s):  
Carbon Dioxide ◽  
Supercritical Carbon Dioxide ◽  
Supercritical Carbon Dioxide Extraction ◽  
Plant Materials ◽  
Evening Primrose ◽  
Oil Seeds ◽  
Oil Seed ◽  
Carbon Dioxide Extraction ◽  
Solvent Flow ◽  
Supercritical Carbon

Supercritical carbon dioxide extraction, as a relatively new separation technique, can be used as a very efficient process in the production of essential oils and oleoresins from many of plant materials. The extracts from these materials are a good basis for the new pharmaceutical products and ingredients in the functional foods. This paper deals with supercritical carbon dioxide extraction of selected oil seeds which are of little interest in classical extraction in the food industry. In this article the process parameters in the supercritical carbon dioxide extraction, such as pressure, temperature, solvent flow rate, diameter of gound materials, and moisture of oil seed were presented for the following seeds: almond fruits, borage seed, corn germ, grape seed, evening primrose, hazelnut, linseed, pumpkin seed, walnut, and wheat germ. The values of investigated parameters in supercritical extraction were: pressure from 100 to 600 bar, temperature from 10 to 70oC, diameter of grinding material from 0.16 to 2.0 mm, solvent flow used from 0.06 to 30.0 kg/h, amount of oil in the feed from 10.0 to 74.0%, and moisture of oil seed from 1.1 to 7.5%. The yield and quality of the extracts of all the oil seeds as well as the possibility of their application in the pharmaceutical and food, industries were analyzed.

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