Identification of meat treated with ionizing radiation by capillary gas chromatographic determination of radiolytically produced hydrocarbons

When triglycerides or fatty acids are irradiated, some of the major stable products are hydrocarbons formed from the loss of CO2 and CH3COOH in various free-radical reactions. A capillary gas chromatographic procedure has been developed to monitor the presence of these radiolytically generated hydro...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 1993-05, Vol.41 (5), p.758-763
Main Authors: Morehouse, Kim M, Kiesel, Marlene, Ku, Yuoh
Format: Article
Language:English
Subjects:
ACIDE GRAS
ACIDOS GRASOS
ALIMENTOS
Biological and medical sciences
CARNE DE CERDO
CARNE DE PAVO
CARNE DE POLLO
CARNE DE RES
CHROMATOGRAPHIE EN PHASE GAZEUSE
CROMATOGRAFIA DE GASES
Food industries
Fundamental and applied biological sciences. Psychology
HIDROCARBUROS
HYDROCARBURE
IRRADIACION
IRRADIATION
Meat and meat product industries
PRODUIT ALIMENTAIRE
RADIACION IONIZANTE
RADIATION IONISANTE
REACCIONES QUIMICAS
REACTION CHIMIQUE
VIANDE BOVINE
VIANDE DE DINDE
VIANDE DE POULET
VIANDE PORCINE
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Summary:When triglycerides or fatty acids are irradiated, some of the major stable products are hydrocarbons formed from the loss of CO2 and CH3COOH in various free-radical reactions. A capillary gas chromatographic procedure has been developed to monitor the presence of these radiolytically generated hydrocarbons in meats treated with ionizing radiation. Several lipid extraction procedures for isolating the radiolytically generated hydrocarbons from the irradiated meat were compared. The radiolytically generated hydrocarbons were separated from the extracted lipids on a Florisil column and determined by capillary gas chromatography. The yield of these radiolytically generated hydrocarbons was linear with absorbed dose. Data indicating the utility of this-methodology to identify meat products (poultry, beef, and pork) treated with ionizing radiation are presented
ISSN:0021-8561
1520-5118
DOI:10.1021/jf00029a015