期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 112, 期 -, 页码 839-846出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2021.03.049
关键词
Food packaging; Plastics; Bio-based materials; Sustainability; Life cycle assessment; Plastic recycling
资金
- Danish Food Innovation and Food & Bio Cluster Denmark
This manuscript presents the key parameters and methods for sustainable food packaging, highlighting the positive impact of using bio-based plastic packaging materials. However, other environmental impacts need to be considered, and the recycling of packaging material is essential to reduce its environmental and climate impacts.
Background: The demand for more sustainable packaging materials is increasing. However, the multidisciplinary and complexity of this topic often lead to misconceptions among food packaging designers and producers, which challenge the creation of more sustainable food packaging systems. Scope and approach: This manuscript presents in a holistic perspective the most relevant parameters that need to be considered for sustainability in food packaging and aims to increase the awareness of food and packaging producers to create effective sustainable packaging materials for foods. Key Findings and Conclusions: The use of bio-based plastic packaging materials contribute to create more sustainable food packaging materials, comparatively to conventional plastic packaging materials, when looking at climate impact responses. Although bio-based plastic packaging materials have reduced climate impact, there are other environmental impacts (e.g. eutrophication, use of water and pesticides, effects on biodiversity) that are less favorable for using bio-based materials and should also be considered. Recycling of the packaging significantly contributes to reduce its environmental and climate impacts. The sum of the climate and environmental impacts of the packaging should be seen together with the food it protects. The combined system should be assessed in its entire lifecycle and optimized through the design, production and end of life of the packaging material to improve its sustainability.
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