Detection of microplastic contamination in table salts in Padang City, Indonesia, and control strategies for choosing healthy salt

IF 2.3 4区化学 Q3 CHEMISTRY, ANALYTICAL International Journal of Environmental Analytical Chemistry Pub Date : 2023-10-16 DOI:10.1080/03067319.2023.2268523

Deswati Deswati, Buty Kurnia Hamzani, Yulizar Yusuf, Wiya Elsa Fitri, Adewirli Putra

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Abstract

ABSTRACTThe purpose of this study was to observe the shape, colour, size, type of polymer, and abundance of MPs in various brands of salt commonly consumed by people in the city of Padang, Indonesia. A 50 g salt sample was digested using 30% hydrogen peroxide at 60°C for 30 minutes to degrade organic contaminants. Samples from nine brands of sea salt and one brand of mountain salt investigated were found to be contaminated with MPs with an abundance of MPs (microplastics) ranging from 30 ± 10 to 510 ± 10 particles kg−1. The most dominant shapes, colours, and sizes found were fragments (73%), black (44%), and sizes 101–300 µm (27%). The results of this study can be used as information to help develop effective control of MP pollution and as reference data for issuing policies related to quality parameters for limiting MP content in salt products. It is therefore important to choose healthy salt, that has minimal MP contamination to reduce MP exposure.KEYWORDS: Microplastics (MPs)MPs pollution controlpolymer typesalt contaminationsalt quality Disclosure statementNo potential conflict of interest was reported by the author(s).

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印尼巴东市食盐中微塑料污染检测及健康盐选择控制策略

摘要本研究的目的是观察印度尼西亚巴东市人们常食用的不同品牌盐的形状、颜色、大小、聚合物类型和MPs的丰度。取50 g盐样品，用30%过氧化氢在60℃条件下消化30分钟，降解有机污染物。9个品牌的海盐和1个品牌的山盐样品被发现被MPs污染，MPs(微塑料)丰度在30±10到510±10颗粒kg−1之间。最主要的形状、颜色和大小是碎片(73%)、黑色(44%)和101-300微米(27%)。本研究结果可作为制定有效控制盐产品中MP污染的信息，并为制定限制盐产品中MP含量的质量参数相关政策提供参考数据。因此，重要的是选择健康的盐，以减少MP污染，以减少MP暴露。关键词:微塑料(MPs)MPs污染控制聚合物类型盐污染盐质量披露声明作者未报告潜在利益冲突。

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来源期刊

International Journal of Environmental Analytical Chemistry 环境科学-分析化学

CiteScore

5.90

自引率

7.70%

发文量

373

审稿时长

4.4 months

期刊介绍： International Journal of Environmental Analytical Chemistry comprises original research on all aspects of analytical work related to environmental problems. This includes analysis of organic, inorganic and radioactive pollutants in air, water, sediments and biota; and determination of harmful substances, including analytical methods for the investigation of chemical or metabolic breakdown patterns in the environment and in biological samples. The journal also covers the development of new analytical methods or improvement of existing ones useful for the control and investigation of pollutants or trace amounts of naturally occurring active chemicals in all environmental compartments. Development, modification and automation of instruments and techniques with potential in environment sciences are also part of the journal. Case studies are also considered, particularly for areas where information is scarce or lacking, providing that reported data is significant and representative, either spatially or temporally, and quality assured. Owing to the interdisciplinary nature of this journal, it will also include topics of interest to researchers in the fields of medical science (health sciences), toxicology, forensic sciences, oceanography, food sciences, biological sciences and other fields that, in one way or another, contribute to the knowledge of our environment and have to make use of analytical chemistry for this purpose.