Journal
JOURNAL OF FOOD SCIENCE
Volume 70, Issue 2, Pages C173-C179Publisher
INST FOOD TECHNOLOGISTS
DOI: 10.1111/j.1365-2621.2005.tb07079.x
Keywords
heterocyclic amines; arrhenius; eyring; glucose; creatine
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The influence of time, temperature, glucose, and creatine on the formation of heterocyclic amines (HAs) in beef was investigated. Kinetic models as a function of time and temperature were used to examine the formation of polar and nonpolar HAs, as described by Arrhenius and Eyring equations. The highest amount of MeIQx was 23.93 ng/g at 220 degrees C for 20 min. However, no formation of 4,8-DiMeIQx was observed at 160 degrees C, 180 degrees C, 200 degrees C, and 220 degrees C for 5 min. Norharman and 4,8-DiMeIQx were more sensitive to temperature change, whereas MeIQx and A alpha C were less sensitive. The formation of HAs increased with increasing time and temperature. Glucose and creatine decreased at the same pattern with increasing time and temperature. The, formation of HAs and the degradation of precursors were inversely correlated. The results provide valuable information toward modulating and inhibiting the formation of HAs in cooked meats.
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