Abundance, composition of microplastics in dried anchovy products from the Western Gulf of Thailand
Keywords:Plastic waste, Microplastics, Western Gulf of Thailand, Dried anchovy, Seafood
Plastic waste is a serious problem today after it enters the sea. This plastic can break into small pieces called microplastics. Microplastics is a plastic particle which is less than 5 mm. Microplastics can be transferred to marine food webs through ingestion and accumulation of marine organisms. It has become a serious pollution problem now. This study focused on dried anchovy products from the Western Gulf of Thailand that can be bought from the local fishing market to assess microplastic contamination in dried anchovies. The samples were digested with 30% hydrogen peroxide solution, then filtering with a filter paper. Then use a stereo microscope to analyze the microplastic characteristics (color, shape, and size). The polymer was then classified using a Fourier transform infrared spectroscopy (FTIR). The results from five products showed that the abundance of microplastics in dried anchovy fishes varied from 0.47, 1.04, 2.27, 2.94, and 3.18 particles per gram. The size of microplastics found is in the range of 109-1,006 microns. This study suggests microplastics found in dried anchovies are a seafood safety issue in an economic fish that is important to humans.
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