Value-Chain Wide Food Waste Management: A Systematic Literature Review
2019
The agriculture value chain, from farm to fork, has received enormous attention because of its key role in achieving United Nations Global Challenges Goals. Food waste has become a worldwide issue that requires urgent actions. While there are still many people who do not have sufficient food on the table, managing foo 1 d waste effectively should provide means to reduce starvation and improve health. Food waste occurs in many different forms and at all stages of the food value chain. However, the management of food waste has been traditionally segmented and in an isolated manner. This paper reviews existing work that has been done on food waste management in literature by taking a holistic approach, in order to identify the causes of food waste generation, food waste prevention strategies, and elicit recommendations for future work. The methodology used for identifying the causes of food waste generation and food waste prevention strategies presented here is a systematic literature review. A five step review process has been adopted-for a thorough examination of the existing research on the topic and new insights have been obtained. The findings suggest that there are various sources of food waste existing in the current food value chain. The review reveals that the main sources of food waste include food overproduction and surplus, food waste caused by processing, food waste caused by logistical inconsistencies and food waste caused by household level. The review also exposes that main food waste prevention strategies include policy solutions, packaging solutions, date labelling solutions, logistics solutions, changing consumers' behaviours, and reuse and redistribution solutions. Future research directions such as using value chain models to reduce food waste and forecasting food waste have been identified in this paper. This study makes a contribution to the extant literature in the field of food waste management by discovering main causes of food waste in the value chain and eliciting prevention strategies that can be used to reduce/eliminate relevant food waste.
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