Abstract
Food waste is one of the most recent global issues that is getting more attention nowadays. Food waste is all food that is not consumed or thrown away even though it is fit for human consumption. This paper presents a method of direct weighing of edible food that is not consumed in the student canteen. Based on preliminary observations, food is classified into carbohydrates, vegetables, meat and others. The results of weighing data show more accurate results compared to previous study. With a total of 226 data, the research was focused on the carbohydrate and vegetable variables. The computer algorithm using the elbow method shows the unsupervised K-Means clustering of 4 clusters. The quality of the clustering method is good, with an average silhouette coefficient of 0.6. This research can be used as a basis for further studies on food waste and life cycle assessment.
Highlights
Food waste is one of the most recent global issues that is getting more attention nowadays
Food and Agriculture Organization of the United Nations (FAO) estimated that 30% of food globally that are produced for human consumption turned into food loss or food waste, which cost more than 1 trillion dollars for economic, environmental and social aspects
The significant number should become a deep concern for everyone, knowing that based on a report published by FAO in 2019, there were still 1 of 9 people do not have enough food to eat. It is a global issue, and many countries have a serious commitment to participate in the Sustainable Development Goals (SDG) program, with a vision to reduce half food waste of the total number
Summary
- Characterization of food waste and empty fruit bunches (EFB) for anaerobic digestion application M A A Hamzah, A B Alias, N R N Him et al. Reducing resource footprints of food consumption Hanna Helander, Martin Bruckner, Sina Leipold et al. - Lost water and nitrogen resources due to EU consumer food waste D Vanham, F Bouraoui, A Leip et al. This content was downloaded from IP address 154.13.228.172 on 01/03/2022 at 06:14
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