期刊
FOODS
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/foods10030597
关键词
cinnamon essential oil; bioactive coatings; minimally processed apples; antioxidant agent
资金
- Research Direction of the Autonomous Agrarian Antonio Narro University (UAAAN) Mexico
The study evaluated the effects of three coatings on apple slice quality, with all coatings improving freshness and sensory qualities, but the chitosan-based coating scored lower in terms of flavor and overall acceptance.
The application of coatings with essential oils for food preservation is an alternative way to keep minimally processed apple slices fresh, nutritious, safe, sensory palatable, and accessible for consumers. In the present study, the effect of three bioactive coatings on quality variables of minimally processed Golden Delicious apple slices for 25-days at 4 degrees C was evaluated. The coatings were CT1-chitosan-based, CT2-guar gum-based, and CT3-composite guar gum-starch-based; all three coatings contained cinnamon essential oil and were compared with UCT0-uncoated apple slices. The quality variables evaluated were weight-loss, firmness, browning index, total phenolic content, total soluble solids, titratable acidity, respiration rate, microbial analysis, and sensory evaluation. All coatings improved the preservation and sensorial quality variables of Golden Delicious apples; however, although the CT1-chitosan-based coating was capable of extending the shelf-life of minimally processed apple, it demonstrated less sensorially favorable scores for flavor, odor, and overall acceptance attributes.
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