Abstract
Kefalotyri cheese made in December and April using milk from sheep grazing on pastures was aerobically kept, in the dark or under fluorescent light, for 40 days at 4°C. Unsaturated fatty acids, which were higher in April than in December cheese, were significantly (P < 0.05) decreased in all cheese samples under both storage conditions. According to lipid hydroperoxides, malondialdehyde and carbonyls changes, grated cheese samples stored under fluorescent light showed a higher protein and lipid oxidation as compared to samples stored in the dark. Sensory and colour characteristics were better for cheeses stored in the dark than those under fluorescent light.
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