Abstract
This study aimed to assess the impact of an edible coating holding within chia seed gum (CSG) and Rosa canina L. extract (RCE) nanoemulsions (10%, 20%, and 40% w/w) on the oxidation, microbial load, and sensory characteristics of burgers in a 90-day frozen storage period. Based on the findings, the active CSG coatings showed remarkable antioxidant and antimicrobial activities. By increasing the level of RCE nanoemulsions, the functional activity of coatings significantly increased (P < 0.05). Upon the termination of the storage period, the lowest microbial load (i.e., a decrease of 0.5–2 log CFU/g in the number of different bacteria compared to the control) and oxidation stability were observed in burgers coated with a CSG solution containing 40% RCE nanoemulsions. This burger also showed the highest sensory acceptance on the last day. In conclusion, it is proposed to use the active coating produced in this study to maintain meat products' quality and safety and increase their shelf-life.
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