Extraction of Phospholipids from Salmon Roe with Supercritical Carbon Dioxide and an Entrainer
Yukihisa Tanaka, Ikuko SAKAKI, T. Ohkubo
Journal of Oleo Science
Abstract
Supercritical carbon dioxide (SC-CO2) is a suitable substance to extract non-polar substances (triacylglycerols). However it has not proven effective in the extraction of polar substances. The efficient use of SC-CO2 and ethanol mixture to extract and fractionate phospholipids from salmon fish roe was therefore investigated. Extraction was performed at low pressure and temperature (17.7 MPa and 33°C) to avoid oxidation of polyunsaturated fatty acids. Phospholipids were not found to be extracted with 0- and 5%-ethanol in SC-CO2. However extractions with 10, 15 or 20%-ethanol in SC-CO2 were effective in extracting phospholipids. The amount of extracted phospholipids increased with increased addition of ethanol. When the extraction was performed with SC-CO2 and 20%-ethanol mixture, more than 80% of the phospholipids were recovered.
Extracted Claims
6 claims extracted from this paper into the knowledge graph
Phospholipids increase in amount with increased addition of ethanol
“The amount of extracted phospholipids increased with increased addition of ethanol.”
Phospholipids are recovered more than 80% with SC-CO2 and 20%-ethanol mixture
“When the extraction was performed with SC-CO2 and 20%-ethanol mixture, more than 80% of the phospholipids were recovered.”
Phospholipids are extracted with 10, 15 or 20%-ethanol in SC-CO2
“However extractions with 10, 15 or 20%-ethanol in SC-CO2 were effective in extracting phospholipids.”