Cereal and Confectionary Packaging: Assessment of Sustainability and Environmental Impact with a Special Focus on Greenhouse Gas Emissions

Overview

Journal Foods

Specialty Biotechnology

Date 2022 May 14

PMID 35564070

Authors

Victoria Krauter

Anna-Sophia Bauer

Maria Milousi

Krisztina Rita Dornyei

Greg Ganczewski

Kart Leppik

Jan Krepil

Theodoros Varzakas

Affiliations

Soon will be listed here.

Abstract

The usefulness of food packaging is often questioned in the public debate about (ecological) sustainability. While worldwide packaging-related CO emissions are accountable for approximately 5% of emissions, specific packaging solutions can reach significantly higher values depending on use case and product group. Unlike other groups, greenhouse gas (GHG) emissions and life cycle assessment (LCA) of cereal and confectionary products have not been the focus of comprehensive reviews so far. Consequently, the present review first contextualizes packaging, sustainability and related LCA methods and then depicts how cereal and confectionary packaging has been presented in different LCA studies. The results reveal that only a few studies sufficiently include (primary, secondary and tertiary) packaging in LCAs and when they do, the focus is mainly on the direct (e.g., material used) rather than indirect environmental impacts (e.g., food losses and waste) of the like. In addition, it is shown that the packaging of cereals and confectionary contributes on average 9.18% to GHG emissions of the entire food packaging system. Finally, recommendations on how to improve packaging sustainability, how to better include packaging in LCAs and how to reflect this in management-related activities are displayed.

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