期刊
FOOD CHEMISTRY
卷 364, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130309
关键词
Tomato; Modified atmosphere packaging; Pallets; Physico-chemical quality; Shelf-life; Sensory quality
资金
- Autonomous Government of Galicia (Spain) [PGIDIT09TAL003E]
The study found that the modified atmosphere packaging (MAP) system extended the shelf-life of tomatoes stored under refrigeration, delayed color changes, reduced firmness loss, biosynthesis of lycopene, and decay rate. Compared to unpackaged tomatoes, MAP-treated tomatoes showed fewer spots, cracks, and stretch marks at the end of storage.
A modified atmosphere packaging (MAP) system in pallets was developed and its effect on physico-chemical and sensory characteristics and shelf-life of tomato was evaluated. Tomatoes were stored at 6 degrees C in cardboard boxes arranged on pallets wrapped in micro-perforated low-density polyethylene (LDPE) bags. Effects of the storage time and packaging were evaluated after 0, 7, 14, and 21 days of storage. The MAP system with pallets assessed, using a packaging atmosphere composition of 10% O2 - 10% CO2 and silica gel as an adsorbent, extended the shelf-life of the tomato stored at refrigeration temperature. MAP delayed color evolution and reduced the firmness loss, biosynthesis of lycopene, and decay rate of tomato. At the end of storage, 100% of the unpackaged samples showed spots while only 42.9% of MAP samples had them. In addition, the percentage of tomatoes with cracks and stretch marks was reduced from 42.9% (unpackaged tomatoes) to 14.3% (MAP tomatoes).
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