Papers

61,005 results
|
Article Tier 2

Evaluation of salt intended for human consumption for the presence of physical contaminants: microplastics an emerging contaminant in the food area

Researchers analyzed eight salt samples sold in Rio de Janeiro supermarkets and found physical contaminants consistent with microplastics in five of them, suggesting oceanic microplastic contamination is reaching consumers through table salt and underscoring the need for food quality monitoring programs.

2023 Brazilian Journal of Health Review 2 citations
Article Tier 2

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.

2024 1 citations
Article Tier 2

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.

2024 Journal of Sea Research 8 citations
Article Tier 2

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.

2020 Chemosphere 95 citations
Article Tier 2

Risk assessment of microplastic in commercial salt sold in Malaysia

Researchers conducted a risk assessment of microplastics in commercial table salt sold in Malaysia, finding that contaminated seawater used during sea salt production introduces microplastics into a widely consumed daily food ingredient with potential adverse health effects.

2023 UiTM Institutional Repositories (Universiti Teknologi MARA)
Article Tier 2

The presence of microplastics in commercial salts from different countries

Researchers analyzed 17 commercial salt brands from eight countries and found microplastic particles in all but one, with concentrations ranging from 1 to 10 particles per kilogram. The most common plastics were polypropylene and polyethylene, appearing mainly as fragments. While the estimated human intake from salt alone appears minimal, the study confirms that microplastics have infiltrated yet another everyday food product.

2017 Scientific Reports 623 citations
Article Tier 2

Microparticles in Table Salt: Levels and Chemical Composition of the Smallest Dimensional Fraction

Analysis of commercially available table salts found microplastic particles and non-synthetic micro-particles in multiple brands, with the smallest size fractions being most abundant and most difficult to identify. The study raises concerns about human dietary exposure to microplastics through a universally consumed food product.

2019 Journal of Marine Science and Engineering 46 citations
Article Tier 2

Nanoplastics Detected in Commercial Sea Salt

Researchers detected nanoplastic particles in commercial sea salt samples using advanced analytical techniques, demonstrating that a widely consumed everyday food product is contaminated with plastic nanoparticles derived from ocean and atmospheric pollution. The findings raise concerns about dietary nanoplastic exposure for people of all ages through routine salt consumption.

2022
Article Tier 2

Microplastics in Spanish Table Salt

This study analyzed samples of commercially sold Spanish table salt and found microplastics in some products, adding to a growing body of evidence that sea-derived food products are contaminated with plastic particles. The results underscore the difficulty of avoiding microplastic exposure in everyday foods.

2017 Scientific Reports 382 citations
Article Tier 2

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.

2018 Marine Pollution Bulletin 156 citations
Article Tier 2

Contamination of table salts from Turkey with microplastics Part A Chemistry, analysis, control, exposure & risk assessment

This study analyzed 16 brands of table salt from Turkish markets and found microplastics in most samples, with concentration varying by salt type and source. The findings add to growing global evidence that microplastics have entered the human food chain through commercial sea and lake salt.

2018 Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment
Meta Analysis Tier 1

Microplastic contamination of salt intended for human consumption: a systematic review and meta-analysis

This systematic review and meta-analysis examined microplastic contamination in table salt from around the world. It found that microplastics are present in most salt products intended for human consumption, with sea salt generally containing more particles than rock or lake salt, representing a consistent source of dietary microplastic exposure.

2020 SN Applied Sciences 60 citations
Article Tier 2

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.

2024 1 citations
Article Tier 2

Microplastic contamination in commercial salt: An issue for their sampling and quantification

Researchers analyzed microplastic contamination in commercial sea salt from three Italian salterns and found an average of approximately 1,653 microplastic particles per kilogram of salt. The study highlights important methodological considerations for sampling and quantification, noting that the physical characteristics and polymer types of microplastics varied across sampling locations.

2022 Food Chemistry 52 citations
Article Tier 2

Consuming microplastics? Investigation of commercial salts as a source of microplastics (MPs) in diet

Researchers analyzed various commercial Australian salts, including both marine and terrestrial varieties, for microplastic contamination. The study detected microplastics in all salt samples tested, including the first detection in black salt, indicating that commercial table salt is a potential dietary source of microplastic exposure for humans.

2022 Environmental Science and Pollution Research 43 citations
Article Tier 2

Contamination of table salts from Turkey with microplastics

Sixteen brands of table salt sold in Turkish markets — including sea, lake, and rock salts — were found to contain microplastics, with the highest concentrations in sea salt. The study adds to global evidence of microplastic contamination in commercially sold salt and indicates widespread human dietary exposure through this common food ingredient.

2018 Food Additives & Contaminants Part A 266 citations
Article Tier 2

“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.

2023 Marine Pollution Bulletin 34 citations
Article Tier 2

Microplastic Pollution in Table Salts from China

Researchers analyzed table salts produced in China and found microplastics contaminating samples from multiple salt types, suggesting that salt production processes and source water quality influence the extent of microplastic contamination in a common food ingredient.

2015 Environmental Science & Technology 1056 citations
Article Tier 2

Global Pattern of Microplastics (MPs) in Commercial Food-Grade Salts: Sea Salt as an Indicator of Seawater MP Pollution

A global analysis of commercial sea salts found microplastics in samples from 21 countries, with the highest concentrations in sea salts from Asia and the lowest in rock and lake salts. The findings suggest that sea salt can serve as an indicator of seawater microplastic pollution levels in surrounding regions.

2018 Environmental Science & Technology 387 citations
Article Tier 2

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.

2023 Total Environment Research Themes 21 citations
Article Tier 2

Microplastic contamination in table salt sold in the selected local markets inSamar, Philippines

Researchers tested for microplastic contamination in commercial table salt sold in local markets in Samar, Philippines, a seafood-dependent region where marine microplastic contamination is a direct food safety concern. Microplastics were detected in salt samples, confirming that this widely consumed condiment is a pathway for human microplastic ingestion in Philippine communities.

2024 Food Research 1 citations
Article Tier 2

Contamination of Indian sea salts with microplastics and a potential prevention strategy

All eight brands of Indian sea salt tested were found to contain microplastics, with concentrations ranging widely across brands, and the study proposed using improved salt harvesting methods to reduce contamination. The findings add to global evidence of widespread microplastic contamination in commercially sold sea salt, with direct implications for human dietary exposure.

2018 Environmental Science and Pollution Research 175 citations
Article Tier 2

Microplastic Presence in Commercial Sea Salt: Sampling and Quantification Challenges

Researchers quantified microplastic presence in commercially available sea salt from multiple countries, encountering significant challenges in sampling protocols and analytical detection limits that complicated comparisons between studies. The authors propose standardized sampling and extraction methods to improve reproducibility in sea salt microplastic research.

2024
Article Tier 2

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.

2023 Environmental Health Engineering and Management 12 citations