3.5. Lipid oxidation
Fig. 5 showed that conjugated diene (CD) and total carbonyl compound (CT) increased over time, indicating increases in lipid oxidation of the cake. When the microbial growth is successfully delayed by active MAP, lipid oxidation could become a critical shelf life determination reaction of cake products. Active packaging systems notably suppressed the lipid oxidation of packaged cakes. The finding was in agreement with previous reports on bakery products (Berenzon & Saguy, 1998; Latou et al., 2010).