Of these, 28 were sea salts, nine were rock salts, and two were lake salts.
其中,28份样品是海盐,9份是岩盐,2份是湖盐。
Only three of the samples were microplastics-free: a refined sea salt from Taiwan, a refined rock salt from Chinese mainland, and an unrefined sea salt in France.
只有3份食盐样品中不含微塑料:来自中国台湾的精制食盐、来自中国大陆的精制岩盐和来自法国的未提炼的海盐。
Salt made in Asia had by far the most microplastics of all the samples, which correlates with where plastic most often enters the ocean. Nine of the top 10 sea salts sampled with the highest amount of microplastics came from Asia.
到目前为止,所有样品中含微塑料最多的食盐均出自亚洲,这与亚洲的塑料通常流入大海有关。10种微塑料含量最高的食盐中有9种都来自亚洲。
“The results indicate that not only is Asia a hot spot of global plastic pollution, as previous studies have suggested, but also that sea salt can be a good indicator of the magnitude of [microplastics] pollution in the surrounding marine environment,” the researchers write.
研究人员写道:“研究结果不仅表明,亚洲是全球塑料污染最严重的危险地区——就像以前的研究所显示的那样,同时也表明海盐是衡量周边海洋环境(微塑料)污染程度的一个很好的指针。”
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