Abstract
SummaryStorage stability of quail eggs pickled in 50% vinegar solution and subsequently stored in glass jars with pickling solution or in flexible pouches without the solution at mean ambient (24°C, 58% RH) and refrigeration (5°C, 80% RH) temperatures was investigated. Pickle solution, egg white and yolk reached equilibrium pH (4.26–4.31) within 2 and 5 days of ambient and refrigeration storage, respectively. Eggs lost up to 12.2 and 8.8% of their weight within 48 h of ageing under ambient and refrigeration storage, respectively. Polypropylene (PP)‐packed pickles suffered maximum weight loss followed by high‐density polyethylene (HDPE)‐packed eggs; losses were negligible in polyester/foil/polyethylene (PFP) laminate‐packed samples. A decrease in phosphatidyl choline and phosphatidyl ethanolamine with simultaneous increase in lysophosphatidyl choline and lysophosphatidyl ethanolamine plus sphingomyelin occurred in pickled eggs during storage. Thiobarbituric acid (TBA) value increased and sensory quality declined with storage time. Aerobic plate counts remained fairly low throughout storage. HDPE (84 μm) was found to be an economic and efficient alternative packaging to glass jar for storage of pickled eggs without the pickle solution for up to 4 and 12 months of ambient and refrigerated storage, respectively.
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