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61,005 resultsShowing papers similar to Microplastics in eviscerated flesh and excised organs of dried fish
ClearOccurrence of microplastics in commercial marine dried fish in Asian countries
Researchers examined 14 types of commercially available dried fish products from seven Asian countries and found microplastics present in all samples tested. The most common types were fibers and fragments, with polymers like polyethylene and polypropylene being frequently identified. The findings raise concerns about widespread human dietary exposure to microplastics through popular dried seafood products consumed across Asia.
Molecular identification of polymers and anthropogenic particles extracted from oceanic water and fish stomach – A Raman micro-spectroscopy study
Researchers applied Raman micro-spectroscopy to identify plastic polymers in Pacific Ocean trawl samples and fish stomach contents, finding polyethylene and polypropylene as the dominant types while demonstrating that many particles visually suspected as plastic were actually non-polymer biological material — underscoring the necessity of chemical verification.
Microplastics in Commercial Fishes and By-Catch from Selected FAO Major Fishing Areas of the Southern Baltic Sea
Researchers found microplastics in both edible and non-edible organs of five fish species from the southern Baltic Sea, with 1-12 particles per fish dominated by fibers, and polymers including cellophane, polyamide, polyethylene, and polypropylene identified by FTIR spectroscopy.
Quantification and characterization of microplastics in commercial fish from southern New Zealand
Researchers quantified microplastic ingestion in ten commercially important fish species from southern New Zealand using microscopy and Raman spectroscopy. The study found that 75% of fish contained microplastics, with an average of 2.5 particles per fish, predominantly fibers in blue, black, and red colors, composed mainly of polyester and polyethylene terephthalate.
Microplastic contamination in fresh fish: insights from wet market in Selangor, Malaysia
Researchers examined microplastic contamination in the gut and muscle tissue of four commercially important fish species from a Malaysian wet market, using ATR-FTIR spectroscopy for polymer identification. Microplastics were detected in all species, with the highest abundance found in the gut of Lutjanus erythropterus, raising food safety concerns.
Microplastic contamination in salted and sun dried fish and implications for food security – A study on the effect of location, style and constituents of dried fish on microplastics load
Researchers tested 21 species of dried fish from four locations in India and found microplastics in every sample, predominantly small fragments under 100 micrometers. The type and amount of microplastic contamination varied by location, fish species, and whether the fish was whole or eviscerated. The findings raise food safety concerns since dried fish is a dietary staple for many people in coastal regions.
Detection and Identification of Microplastics from Locally Sold Fishes in Borongan City, Samar Island, Philippines
Researchers detected and identified microplastics in the digestive tracts and gills of locally sold fish species from Borongan City, Eastern Samar, Philippines, finding mostly irregularly shaped micro-fragments that were transparent or red in color. The study highlights microplastic contamination in commercially important fish as a food safety concern for coastal communities in the region.
Detection of Anthropogenic Particles in Fish Stomachs: An Isolation Method Adapted to Identification by Raman Spectroscopy
This study developed a method for separating anthropogenic particles — including microplastics — from bulk fish stomach contents using an adapted protocol, improving the efficiency of visual examination. The approach aims to reduce misidentification errors that occur when relying solely on color, size, and shape to distinguish plastic from organic matter.
Identification and Quantification of Microplastics in Mackerel (Rastrelliger sp) at the Tual City Fish Market
Researchers identified and quantified microplastics in the digestive tracts of mackerel from the Tual City fish market in Indonesia using microscopy and FTIR analysis, confirming the presence of multiple polymer types in commercially sold fish.
Evidence of microplastics (MP) in gut content of major consumed marine fish species in the State of Kuwait (of the Arabian/Persian Gulf)
Researchers examined the gastrointestinal contents of eight commercially consumed marine fish species from Kuwait in the Arabian/Persian Gulf, confirming microplastic presence across multiple trophic levels using Raman and FTIR spectroscopy.
First report on the presence of small microplastics (≤ 3 μm) in tissue of the commercial fish Serranus scriba (Linnaeus. 1758) from Tunisian coasts and associated cellular alterations
Researchers provided the first report of small microplastics (3 micrometers or smaller) in both the gastrointestinal tract and muscle tissue of the commercial fish Serranus scriba from Tunisian coasts. The study identified polymer types using Raman microspectroscopy and found associated cellular alterations, raising concerns about microplastic contamination in Mediterranean fish consumed by humans.
Limits of the detection of microplastics in fish tissue using stimulated Raman scattering microscopy
This study demonstrated the detection sensitivity of stimulated Raman scattering microscopy for identifying microplastic beads within fish tissue, characterizing how signal-to-noise ratio varies with particle size. The technique provided chemical contrast to distinguish different plastic types within biological tissue without destructive sample preparation.
Protocol for extraction and analysis of microplastics in freshwater, sediment, and fish samples
Researchers developed a standardized protocol for extracting and identifying microplastics from freshwater, sediment, and fish digestive system samples, combining chemical digestion, density separation, vacuum filtration, and Raman spectroscopy to enable reliable, reproducible analysis across aquatic sample types.
Screening of Microplastics in Aquaculture Systems (Fish, Mussel, and Water Samples) by FTIR, Scanning Electron Microscopy–Energy Dispersive Spectroscopy and Micro-Raman Spectroscopies
Researchers screened for microplastics in fish, mussels, and water from aquaculture farms using multiple detection methods. Microplastics were found in both farmed fish and mussels, which are widely sold for human consumption. This study highlights that aquaculture systems are not free from microplastic contamination, meaning farmed seafood, like wild-caught fish, is a potential source of microplastic exposure for people.
Microplastic presence in dried and fresh fish from seafood markets in Sri Lanka
Scientists examined both fresh and dried fish from seafood markets across Sri Lanka and found microplastics in over 82% of the samples, with fiber-shaped pieces making up more than 95% of the contamination. Fresh fish had higher contamination levels than dried fish, suggesting that preparation methods affect microplastic content. Since these small fish species are commonly eaten whole, consumers may be ingesting significant amounts of microplastics through popular seafood products.
Characterization and implication of microplastics on riverine population of the River Ravi, Lahore, Pakistan
Researchers found microplastics in three commercially important freshwater fish species from the River Ravi in Pakistan, with Raman spectroscopy confirming multiple polymer types, indicating widespread contamination of riverine fish populations and potential implications for human dietary exposure in the region.
Microplastics contamination in the fishes of selected sites in Pasig River and Marikina River in the Philippines
Researchers examined microplastic contamination in three fish species from the Pasig and Marikina Rivers in the Philippines using Raman microspectroscopy. They found polypropylene and polyethylene fragments were the most common microplastics, reflecting the widespread use of these polymers in packaging. The study demonstrates that microplastics accumulate in freshwater fish in urban river systems, raising concerns about dietary exposure for communities that rely on these fish for food.
Additives, plasticizers, small microplastics (<100 μm), and other microlitter components in the gastrointestinal tract of commercial teleost fish: Method of extraction, purification, quantification, and characterization using Micro-FTIR
Researchers developed a Micro-FTIR extraction and identification method for small microplastics (under 100 µm) and plastic additives in the gastrointestinal tracts of five commercial Mediterranean fish species, finding species-specific contamination patterns with anchovies and sardines showing the highest microplastic burdens.
Presence of microplastics in two common dried marine fish species from Bangladesh
Researchers examined two popular dried fish species from Bangladesh and found microplastics present in all samples, with fibers being the most common type. Fish from one collection site had significantly higher microplastic contamination than the other, suggesting location-specific pollution levels. The findings raise concerns about human dietary exposure to microplastics through commonly consumed seafood products in the region.
Identification of microplastics in fish from the local fish market of Yogyakarta Province, Indonesia
This study identified microplastics in fish sold at a local market in Yogyakarta, Indonesia, finding plastic particles in multiple species across fiber, fragment, and film forms. The detection of microplastics in commercially sold fish raises food safety concerns for consumers who regularly eat locally caught seafood.
Distinguishing Microplastics from Microplastic-like particles: a Case study of Fish from the Marine Waters of Qatar
Researchers examined microplastic accumulation in the gastrointestinal tracts of 170 fish from four commercially important species in Qatar's marine waters, finding that fibers were the dominant shape and blue the most common color, but micro-Raman spectroscopy confirmed only 7 particles (4.12% of samples) met the polymer-match threshold to be classified as true microplastics. The study underscores the importance of chemical confirmation methods to distinguish genuine microplastics from morphologically similar natural particles.
Identification and Characterization of Micro and Mesoplastics Isolated from Commercially Important Marine Fishes of Pulicat Lake, Tamil Nadu, India
This study identified micro- and mesoplastics in the digestive tracts of 15 commercially important fish species from an Indian coastal lake, using infrared spectroscopy to confirm plastic polymer types. The presence of plastics in food fish raises concerns about human dietary exposure through seafood consumption.
Abundance and characteristics of microplastics in commercial marine fish from Malaysia
Microplastics were found in the digestive tracts of eight commercially important marine fish species caught in Malaysian waters, with prevalence and particle types varying by species and location. The study raises food safety concerns for Malaysian seafood consumers and highlights the widespread occurrence of microplastic ingestion in wild-caught fish from Southeast Asian seas.
Microplastics in the edible and inedible tissues of pelagic fishes sold for human consumption in Kerala, India
Researchers examined microplastics in both edible and inedible tissues of nine commercially important fish species from Kerala, India. They found that 41% of fish had microplastics in inedible tissues like gills and viscera, while 7% had particles in edible muscle and skin, with filter-feeding fish showing higher contamination than visual predators. The study suggests that human consumption of pelagic fish from this region could result in microplastic exposure, though the quantities found in edible tissues were relatively small.