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Formation of toxic aldehydes in cod liver oil after ultraviolet irradiation
Author(s) -
NiyatiShirkhodaee Fatemeh,
Shibamoto Takayuki
Publication year - 1992
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02637694
Subject(s) - acetaldehyde , acrolein , chemistry , formaldehyde , ultraviolet , gas chromatography , irradiation , cod liver oil , nitrogen , sulfur , linseed oil , ultraviolet irradiation , chromatography , nuclear chemistry , organic chemistry , food science , catalysis , materials science , physics , optoelectronics , ethanol , nuclear physics
Formaldehyde, acrolein, malonaldehyde (MA), acetaldehyde and propanal produced from cod liver oil upon ultraviolet irradiation (λ max =300 nm) were derivatized into nitrogenor sulfur‐containing compounds and then analyzed by capillary gas chromatography with a nitrogen‐phosphorus detector or a flame photometric detector. Acrolein and MA were formed at levels of 10.9±3.06 and 190.2±38.4 nmol/mg of fish oil, respectively. Maximum levels of formaldehyde, acetaldehyde and propanal formed were 7.0±0.90, 49.1±4.5 and 35.8±4.0 nmol/mg of oil, respectively. Formation of propanal in large quantities corresponded to the high content of ɛ‐3 fatty acids in cod liver oil.