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Hydrocarbons detected in irradiated shell eggs during storage
Author(s) -
Hwang Keum Taek
Publication year - 1999
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/s11746-999-0093-4
Subject(s) - irradiation , chemistry , gas chromatography , hexane , extraction (chemistry) , chromatography , shell (structure) , materials science , physics , nuclear physics , composite material
Hydrocarbons produced by γ‐radiation of shell eggs were analyzed to determine how irradiation affects their production. Shell eggs were nonirradiated or irradiated at 0.5, 1, and 3 kGy and the stored at 5°C for 8 wk or at 30°C for 10 d. Hydrocarbons were determined by a sequential procedure of lipid extraction by hexane, Florisil column chromatography, and gas chromatography. Hydrocarbons C 15:0 , C 14:1 , C 17:0 , C 16:1 , C 17:1 , C 16:2 , C 17:2 , and C 16:3 were detected in shell eggs irradiated at 0.5 kGy or higher, but not in nonirradiated ones except C 15:0 and C 17:0 . Storage of nonirradiated or irradiated eggs had little effect on detection levels of hydrocarbons. The detection levels in all the samples irradiated at 1 and 3 kGy were in the order of C 16:2 +C 17:1 , C 15:0 +C 14:1 , C 17:2 +C 16:3 , and C 17:0 +C 16:1 from the highest to the lowest.