Liha töötlemine
These compounds are alde- performed with laboratory animals (in vivo
hydes, ketones, alkanes, alkenes, alcohols, tests) (Bösinger et al. 1993).
esters, acids, and hydrocarbons. The devel-
opment of rancid taste is associated with lipid
Protein-Derived Compounds
oxidation, mainly aldehydes that have low
threshold values. Some products of lipid oxi- Muscle proteins may be oxidized by reactive
dation may be chronic toxicants, and high oxygen species—for instance, the hydrogen
levels have been reported to contribute to peroxide generated by certain bacteria during
aging, cancer, and cardiovascular diseases meat fermentation. Oxidative damage of pro-
(Hotchkiss and Parker 1990). teins may result in degradation or polymer-
There are several methods for the mea- ization of myofibrillar proteins and alter their
surement of lipid oxidation in meat products