Quantity and Chemical Composition of Food Waste from Hotels in Cha-am Municipality Phetchaburi Province and Hua Hin Municipality, Prachuap Khiri Khan Province

Authors

  • auraiwan isuwan Program in Plant Production Technology, Faculty of Animal Sciences and Agricultural Technology, Silpakorn University Phetchaburi IT Campus, Phetchaburi, Thailand
  • Thanawadee Promchan Program in Plant Production Technology, Faculty of Animal Sciences and Agricultural Technology, Silpakorn University Phetchaburi IT Campus, Phetchaburi, Thailand
  • Jeerasak Chobtang Bureau of Animal Nutrition Development, Department of Livestock Development, Ministry of Agriculture and Cooperatives Pathum Thani, Thailand

DOI:

https://doi.org/10.14456/jare-mju.2025.59

Keywords:

food waste, hotel, chemical composition, tourism

Abstract

Although the hotel business usually supports the economic development of the tourism sector, it also generates food waste, which negatively impacts environmental quality. The present study was conducted to assess the quantity and specific characteristics of food waste from hotels in Cha-Am Municipality and Hua Hin Municipality. Data were obtained from 26 participating hotels. Results showed that the assessed quantities of food waste in Cha-Am and Hua Hin were 594.06 and 634.83 tons annually. Most of the food waste was generated from the post-kitchen activities which included food leftovers (45.26% of total food waste in Cha-Am and 42.34% of total food waste in Hua Hin). Most of the food waste from the pre-kitchen activities was vegetable and fruit waste (29.70% in Cha-Am and 41.07% in Hua Hin) and meat, milk and egg waste (9.50% in Cha-Am and 6.62% in Hua Hin). The chemical composition of the food leftovers was suitable as feed for rearing black soldier fly larvae, whereas the vegetable and fruit waste could be used as a source of organic fertilizers. Fish waste, shrimp shell, egg shell and bakery waste had the potentials to be used as an animal feedstuff. However, the risk of heavy metal contamination in fish waste and shrimp shell could limit their usability. Waste sorting according to its properties and use limits could be one of the most effective strategies to reduce quantities of waste sent to landfills and to support sustainability of the tourism sector of Thailand.

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Figure 1   Type of food waste quantity classified by type

Published

2025-12-20

How to Cite

isuwan, auraiwan, Promchan, T. ., & Chobtang, J. . (2025). Quantity and Chemical Composition of Food Waste from Hotels in Cha-am Municipality Phetchaburi Province and Hua Hin Municipality, Prachuap Khiri Khan Province. Journal of Agricultural Research and Extension, 42(3), 246–257. https://doi.org/10.14456/jare-mju.2025.59