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Determination and Quantification of Microplastics in Cooking Oil Sold in Indonesia
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Researchers tested seven types of cooking oil sold in Indonesia, including palm, canola, corn, soybean, and coconut oils, for microplastics. Microplastics, mostly fibers and fragments, were found in 33 samples, with bulk cooking oil containing the most particles and coconut oil the fewest.
|Many studies on microplastics (MPs) in food have been done, but not much has been done on cooking freely available oil samples, especially in Indonesia.This study aims to determine and quantify the presence of MPs in various types of commercial cooking oil in Indonesia to support the achievement of the United Nations Sustainable Development Goals (SDGs), especially Goal 3: Good health and well-being, and Goal 12: Responsible consumption and production.This study uses a quantitative descriptive approach by sampling cooking oil from seven categories: palm cooking oil (packaged and bulk), imported cooking oil (canola, corn, and soybean), and coconut oils.MPs extraction is done by dissolving oil with organic solvents, filtration, and identification of MPs particles using a stereoscope light microscope.Further characterization was carried out based on the shape and color of the MPs found.The results revealed that 33 samples were contaminated with MPs, with bulk cooking oil containing the highest number of particles (19), while coconut oil had the lowest (two particles).The dominant forms of MPs were fibers and fragments, while the dominant colors were black, blue, and transparent.MPs have been detected in all types of cooking oil tested, indicating potential exposure through regular consumption.This research has an impact on increasing awareness of the risk of MPs contamination in food products and the importance of quality control in the cooking oil industry.
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