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Integrating Life Cycle Assessment in Innovative Berry Processing with Edible Coating and Osmotic Dehydration
Alexandra Mari1, Tryfon Kekes1, Christos Boukouvalas1
1School of Chemical Engineering, National Technical University of Athens, Zografou, 15780 Athens, Greece.
Foods (Basel, Switzerland)
|April 16, 2025
Summary
Life Cycle Assessment shows osmotic dehydration for berry preservation has environmental impacts, mainly from apple juice. Edible coatings are eco-friendly, but raspberries have higher health and ecosystem costs. Economic benefits outweigh environmental concerns, suggesting optimization is key.
Area of Science:
- Food Science and Technology
- Environmental Science
- Agricultural Engineering
Background:
- Extending berry shelf life and nutritional value is crucial for reducing food waste and improving consumer access.
- Osmotic dehydration and edible coatings are innovative preservation techniques with varying environmental footprints.
- Life Cycle Assessment (LCA) provides a framework for evaluating the environmental impacts of food production systems.
Purpose of the Study:
- To conduct a Life Cycle Assessment (LCA) of a berry production system utilizing osmotic dehydration and edible coating.
- To quantify and compare the environmental impacts associated with different preservation methods.
- To identify environmental hotspots and propose strategies for improvement in berry preservation.
Main Methods:
- Life Cycle Assessment (LCA) methodology was applied to evaluate environmental impacts.
- Quantification of environmental indicators such as CO2 emissions, human toxicity, and ecosystem impact.
- Comparison of impacts from osmotic dehydration, edible coating, and packaging stages.
Main Results:
- Osmotic dehydration, particularly using apple juice, is the primary contributor to environmental impact (e.g., CO2 emissions).
- Edible coatings exhibit minimal environmental impact due to low energy use and biodegradable materials.
- Raspberries demonstrate the highest human health and ecosystem impacts compared to strawberries and blueberries.
Conclusions:
- While osmotic dehydration presents environmental challenges, its economic benefits (extended shelf life, reduced waste, improved quality) are significant.
- Edible coatings offer a sustainable solution with low environmental burden.
- Further research into optimizing osmotic dehydration processes and exploring eco-friendly alternatives is recommended to mitigate ecological costs while retaining commercial advantages.

