Abstract Title:

Microplastic pollution in table salts from China.

Abstract Source:

Environ Sci Technol. 2015 Oct 20. Epub 2015 Oct 20. PMID: 26486565

Abstract Author(s):

Dongqi Yang, Huahong Shi, Lan Li, Jiana Li, Khalida Jabeen, Prabhu Kolandhasamy

Article Affiliation:

Dongqi Yang

Abstract:

Microplastics have been found in seas all over the world. We hypothesize that sea salts might contain microplastics because they are directly supplied by seawater. To test our hypothesis, we collected 15 brands of sea salts, lake salts and rock/well salts from supermarkets throughout China. The microplastics content was 550-681 particles/kg in sea salts, 43-364 particles/kg in lake salts and 7-204 particles/kg in rock/well salts. In sea salts, fragments and fibers were the prevalent types of particles compared with pellets and sheets. Microplastics measuring less than 200μm represented the majority of the particles, accounting for 55% of the total microplastics, and the most common microplastics were polyethylene terephthalate, followed by polyethylene and cellophane in sea salts. The abundance of microplastics in sea salts was significantly higher than that in lake salts and rock salts. This result indicates that sea products, such as sea salts, are contaminated by microplastics. To the best of our knowledge, this is the first report on microplastic pollution in abiotic sea products.

Study Type : Environmental

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Sayer Ji
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