Assessing the Physiochemical and Sensorial Quality of Pea Sauce Canned in Plastic Trays vs. Metal Cans

Metal cans, while boasting excellent barrier properties, raise concerns about leaching and environmental impacts. This study explored plastic trays, a potential alternative for canned food packaging. First we delved into the plastic tray’s characteristics, including its composition and permeability...

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Bibliographic Details
Published in:Processes 2024-08, Vol.12 (8), p.1657
Main Authors: Abdelaali, Hedi, Hajji, Wafa, Selmi, Rachid, Mallek, Hana, Ben Khalifa, Imen, Bellagha, Sihem, Jebali, Mounir, Essid, Iness
Format: Article
Language:English
Subjects:
Canned food
Cans
Composition effects
Ethanol
Food composition
Food packaging
Food preferences
Food processing
Food products
Food quality
Fourier transforms
Humidity
Leaching
Oxidation
Oxygen
Packaging
Packaging materials
Peas
Permeability
Physiochemistry
Plastics
Polyethylene terephthalate
Polypropylene
Sauces
Sensory evaluation
Sensory properties
Sterilization
Trays
Water vapor
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Summary:Metal cans, while boasting excellent barrier properties, raise concerns about leaching and environmental impacts. This study explored plastic trays, a potential alternative for canned food packaging. First we delved into the plastic tray’s characteristics, including its composition and permeability to oxygen and water vapor. Secondly, we conducted a comparison between the newly introduced plastic packaging and traditional metal cans, focusing on their interactions with food during the sterilization process and their effects on the quality of Tunisian pea sauce. The composition analysis revealed that the plastic tray was composed of polypropylene (PP) (with a single endothermic peak at 168 °C), while the film was found to have a mixture of PP internally and polyethylene terephthalate (PET) externally (with two endothermic peaks at 161.96 °C and 243.81 °C). Plastic trays showed good results in water vapor permeability (0.832 g/m2.d) but exhibited higher oxygen permeability (190 g/m2.d), raising oxidation concerns. Migration testing confirmed plastic packaging safety (
ISSN:2227-9717
2227-9717
DOI:10.3390/pr12081657