Journal
POSTHARVEST BIOLOGY AND TECHNOLOGY
Volume 60, Issue 3, Pages 211-219Publisher
ELSEVIER
DOI: 10.1016/j.postharvbio.2011.01.008
Keywords
Peach fruit; Active packaging; Shelf-life; Cinnamon essential oil; Sensory analysis; Enzymatic activity
Categories
Funding
- Spanish Ministry of Education and Science [PET2007-09-C05-04]
- FEDER
- Government of the Republic of Panama (SENACYT-IFARHU)
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A new active packaging, consisting of a label with cinnamon essential oil incorporated and attached to plastic packaging, was used to extend the shelf-life of late-maturing peach fruit. After 12 days of storage at room temperature, the percentage of infected fruit in the active label packaging was 13% vs. 86% in the non-active packaging. Significant differences were obtained for weight loss (3.4% less at 12 days of storage) and firmness (more than 15.9 N at 12 days) during storage. The influence of the active packaging on the in vivo activity of lipoxygenase (LOX), polyphenol oxidase (PPO), peroxidase (POD), superoxide dismutase (SOD), catalase (CAT), and of malondialdehyde (MDA) content as an indicator of lipid oxidation. was studied. The active agent, cinnamon essential oil, also reduced in vitro activity of LOX. Sensory analysis of the peaches was performed over the storage time. Most of positive descriptors were not significantly different from the optimum quality level (day 0) for peaches stored in the active package after 12 days at room temperature. (C) 2011 Elsevier B.V. All rights reserved.
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