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61,005 resultsShowing papers similar to An investigation on the prevalence of microplastic in commercial and open pan salts obtained from Cox's Bazar and Maheshkhali region of Bay of Bengal (Bangladesh)
ClearMicroplastics pollution in salt pans from the Maheshkhali Channel, Bangladesh
Researchers analyzed sea salt samples from eight salt pans in the Maheshkhali Channel of Bangladesh and found microplastic contamination in every sample, with concentrations ranging from 78 to 137 particles per kilogram. Fragments were the most common type, and the dominant polymers identified were terephthalate, polypropylene, polyethylene, and polystyrene. The findings highlight that sea salt represents a potentially significant route of human dietary exposure to microplastics.
Abundance, characteristics, and spatial–temporal distribution of microplastics in sea salts along the Cox’s Bazar coastal area, Bangladesh
Sea salt samples collected from Cox's Bazar, Bangladesh, were found to contain microplastics in every sample analyzed, with concentrations ranging from 28.53 to 93.53 particles per kilogram. Fragment and fiber morphologies dominated, and the contamination profile reflected regional coastal pollution rather than purely marine sources.
Microplastic contamination in processed and unprocessed sea salts from a developing country and potential risk assessment
Researchers found that sea salts from Bangladesh contained 157-195 microplastic particles per kilogram, 2-3 times higher than levels reported in other countries, with unprocessed salts containing more contamination than processed varieties.
Quantitative and qualitative evaluation of microplastics in different salts from Iran
Researchers analyzed microplastic concentrations in fifteen samples of crystallized, refined sea, unrefined sea, and rock salts from Iranian markets using scanning electron microscopy and micro-Raman spectroscopy, finding microplastic contamination across all salt types with concentrations varying by processing method.
“Microplastic seasoning”: A study on microplastic contamination of sea salts in Bangladesh
Researchers tested 18 brands of commercial sea salt from Bangladesh and found microplastics present in every sample, with an average of about 472 particles per kilogram. The study suggests that sea salt represents a dietary pathway for human microplastic exposure, with fibers and fragments being the most commonly detected particle types.
Microplastic presence in commercial marine sea salts: A baseline study along Tuticorin Coastal salt pan stations, Gulf of Mannar, South India
Twenty-five sea salt samples from Tuticorin coastal salt pans in India were analyzed for microplastics, with particles under 100 μm comprising 60% of contaminants and polypropylene and polyethylene as the dominant polymers. The study establishes a baseline for microplastic contamination in commercially harvested sea salt from South India.
Assessment of microplastics in edible salts from solar saltpans and commercial salts
Researchers analyzed microplastic contamination in sea salts from solar salt pans in Tamil Nadu, India, and several commercial salt brands. The study confirmed the presence of microplastics in all salt pan samples and two commercial salt brands, with fewer than 350 polymer fragments per sample representing multiple polymer types. These findings suggest that sea salt production is a pathway for microplastic contamination to reach human diets.
Microplastics in Salt of Tuticorin, Southeast Coast of India
Researchers extracted and characterized microplastics from 14 brands of food-grade sea salts and bore-well salts from Tuticorin, India, finding contamination in both salt types with fibers and fragments as dominant forms and polyethylene as the most common polymer.
Extraction of microplastics from commonly used sea salts in India and their toxicological evaluation
Scientists extracted and characterized microplastics from commercial sea salts sold in India, finding contamination across brands and conducting toxicological tests showing potential harm to marine organisms.
Proliferation of microplastics in commercial sea salts from the world longest sea beach of Bangladesh
Researchers analyzed 13 commercial sea salt brands from Bangladesh and found an average of 2,676 microplastic particles per kilogram — among the highest levels reported globally — with polystyrene and polyethylene fragments and fibers being the most common types. Based on typical salt consumption, Bangladeshis may ingest over 13,000 microplastic particles per year through salt alone, raising public health concerns.
Microplastic contamination in salt pans and commercial salts – A baseline study on the salt pans of Marakkanam and Parangipettai, Tamil Nadu, India
Microplastic contamination was documented in commercial table salts and salt pan waters from two sites in Tamil Nadu, India, with fiber types dominating samples and concentrations reflecting regional coastal and atmospheric plastic pollution inputs.
Microplastic contamination and risk assessment in salts from India And Sri Lanka
Researchers analyzed microplastic contamination in commonly available salts from India and Sri Lanka, including sea salt, rock salt, and refined table salt. Microplastics were detected across most salt varieties, indicating that this staple condiment is a dietary route of human microplastic exposure in South Asia.
The Existence, Characteristics, Sources, and Impact of Microplastics in Salt Products in Indonesia
This systematic literature review described the presence, characteristics, sources, and health impacts of microplastics in Indonesian salt products, finding consistent contamination across regions with PP, PE, and PA as dominant polymer types. The main contamination sources were polluted seawater used in salt production and unmanaged plastic waste near coastal evaporation ponds.
Detection and Characterization of Microplastics in Commercial Salts in India
Researchers detected and characterized microplastics in commercial salts available in India, including rock salt, sea salt, and table salt varieties. The study found widespread microplastic contamination across salt types, raising food safety concerns given the ubiquity of salt as a dietary staple.
Microplastic contamination in Indonesian consumable salts
Researchers analyzed both traditionally produced and commercial branded sea salts from Indonesia and found microplastics in all samples tested. Traditionally produced salts contained the highest contamination levels, with up to 3,753 particles per kilogram, though branded salts also contained significant amounts. The study indicates that sea salt is a notable dietary source of microplastic exposure for consumers.
Investigating the Correlation of Microplastic Pollution Between Seawater and Marine Salt Using Micro-Raman Spectroscopy
Micro-Raman spectroscopy was used to investigate the correlation between microplastic contamination in seawater and marine salt from the same source waters, finding that the polymer profiles of microplastics in salt broadly reflect those in the seawater from which the salt was produced.
High levels of microplastics in commercial salt and industrial salterns in Sri Lanka
All commercial salt products tested in Sri Lanka were contaminated with microplastics, with concentrations ranging from 11 to 193 items/kg in commercial salts and up to 253 items/kg in lab-grade NaCl, and significant variation between three analyzed saltern sites.
Detection of microplastic contamination in table salts in Padang City, Indonesia, and control strategies for choosing healthy salt
Researchers analyzed microplastic contamination in ten brands of table salt commonly consumed in Padang, Indonesia. The study found microplastic particles in all brands tested, ranging from 30 to 510 particles per kilogram, with fragments being the most common shape, suggesting that salt products represent a meaningful source of dietary microplastic exposure.
Microplastic contamination in edible sea salt from the largest salt-producing states of India
Microplastics were found in edible sea salt samples from the major salt-producing states of India, with crystal salt containing lower concentrations than powdered salt, and fibers and fragments as the dominant types, confirming that sea salt is a source of human dietary microplastic exposure in South Asia.
Health risk and ecological risk assessment from microplastic contamination in sea salt : case study in Ban Laem salt field, Phetchaburi, Thailand
Researchers assessed microplastic contamination in Thai sea salt and found hundreds of particles per kilogram across both traditional and plastic salt fields, with polyamide, polyethylene, and polypropylene fragments most common, posing measurable ecological and potential human health risks.
Detection and Characterisation of Microplastics in Food Grade Salts in India
Researchers analyzed 30 brands of food-grade salt available in India and found microplastics in all samples, with sea salt containing 13 to 27 particles per 100 grams and rock salt containing 8 to 29 particles per 100 grams. Particle sizes ranged from about 19 to 1,433 micrometers, and polyethylene terephthalate (PET) was the most commonly identified polymer. The study suggests that salt is a routine dietary source of microplastic exposure for consumers.
Identification and quantification of common microplastics in table salts by a multi-technique-based analytical method
Researchers developed a multi-technique analytical method combining microscope-FTIR and pyrolysis-GC/MS to identify and quantify microplastics in table salts, providing 3D information on polymer type, morphology, and chemical composition of food-grade salt contaminants.
A study of the microplastic contamination of commercial table salts: A case study in Nigeria
Researchers investigated microplastic contamination in eight commercial table salt brands sold in southwest Nigeria, detecting MPs in all samples with concentrations ranging from 4.0 to 13.8 particles per kilogram, predominantly fibers and fragments of polyethylene and polypropylene.
Litter & microplastics features in table salts from marine origin: Italian versus Croatian brands
Researchers analyzed microplastic content in marine-origin table salts from Italian and Croatian commercial brands, finding microplastic contamination in all tested products with no macroplastic or mesoplastic particles recovered, and characterizing the size, shape, and polymer types present.