2025.10.30-11.1  中国 · 佛山潭洲国际会展中心
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塑料无处不在:全球90%的食盐都含有塑料微粒!

2019-07-26 14:30:00


在印尼的马都拉岛,盐主要通过蒸发海水的古老方式生产而来。而最近的一项新研究发现,该地区出产的盐的塑料微粒含量是所有调查样本中最高的。

 

摄影:Ulet Ifansasti,Getty Images

 

 

几年前,研究者就在海盐中发现了塑料微粒。不过那时候,在这种最常用的调味料中,塑料微粒的分布到底有多广泛还不是特别清楚。然而就在最近,一篇新研究发现,全球90%的食盐都含有塑料微粒。

 

据韩国和绿色和平东亚分部的研究者进行的一项新分析显示,在研究者检测的39个食盐品牌中,其中36种食盐含有塑料微粒。新研究利用了之前的盐类研究,同时首次对含有塑料微粒的食盐的地理分布广度以及其与环境中塑料污染的严重程度的关联进行了调查。

 

“研究结果表明,在指定地区,人类通过海洋食品而摄入的塑料微粒量与该地的塑料排放量密切相关,”韩国仁川大学的海洋科学教授Seung-Kyu Kim说道。

 

研究者对欧洲、北美和南美洲、非洲以及亚洲等地的21个国家的食盐样本进行了检测。三个不含塑料微粒的食盐品牌来自中国台湾(精制海盐)、中国大陆(精制岩盐)和法国(通过曝晒蒸发生产的非精制海盐)。研究发表于6月的《环境科学与技术》杂志。

 

新研究发现,不同食盐品牌中的塑料微粒含量存在显著差别,不过来自亚洲的食盐品牌含塑料微粒的程度普遍偏高。而印度尼西亚销售的食盐塑料微粒含量最高亚洲是塑料污染的热点地区,而2015年的一篇无关研究发现,海岸线长达54720公里的印尼的塑料污染程度位居全球第二。

 

该研究还发现,海盐中的塑料微粒含量最高,其次为湖盐,最后是岩盐。

 

该研究也是近年来有关盐的第五篇研究。西班牙、中国、美国以及来自法国、英国和马来西亚的一个研究团队之前也进行过食盐的相关研究。

 

纽约州立大学的教授Sherri Mason曾与明尼苏达大学的研究者合作进行过另一个有关盐的研究,她在一次采访中表示新研究有助于科学家评估塑料微粒的影响。

 

 “研究者发现亚洲食盐的塑料微粒含量更高,这一点很有趣。虽然这并不令人吃惊,但必须通过数据证明。之前的研究在亚洲国家销售的食盐中发现过塑料微粒,不过我们并不知道塑料微粒的含量,”她说道。

 

新研究“证明塑料微粒无所不在,这不是如果你在英国购买海盐就无需担忧的问题,”她说道。

 

塑料微粒是否有害?

 

新研究估计,普通成年人每年可通过食盐摄入近2000个塑料微粒。这意味着什么还有待检验。

 

当地时间本周三,英国约克大学的研究者发表了一篇旨在评估塑料微粒对环境危害的研究,该研究认为目前还没有足够信息判断塑料微粒是否会对环境造成危害。

 

该研究对320篇现有研究进行了回顾,发现目前科学家对塑料微粒影响的认识存在“重大知识鸿沟”。这些研究调查了不同种类的塑料微粒,其中包括塑料微珠、塑料碎片和塑料纤维,导致数据“不匹配”而无法进行比较,就像将“苹果和梨”进行比较一样,约克大学的地理学教授、研究的合作者Alistair Boxall在一份声明中说道。

 

“根据我们的分析,目前只有有限的证据表明塑料微粒会造成重大的负面影响。对于目前环境中存在的塑料微粒尺寸以及材料类型,我们迫切需要更好的质性研究和整体监测研究,以及它们造成的环境影响方面的研究,”他说道。

 

上述新研究由行业贸易组织—美国个人护理用品协会赞助,发表在《环境毒物学与化学》杂志上。

 

Boxall补充说,聚焦塑料微粒可能会转移人们对更严重(更容易确认)的环境污染问题的注意,比如汽车轮胎中释放的小颗粒。

 

撰文:Laura Parker 

译者:流浪狗

本文转自:国家地理中文网


 

 

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        • 40. /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49
        • 41. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 42. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 43. /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:63
        • 44. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 45. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 46. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37
        • 47. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 48. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 49. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php:59
      • select * from `navigation` where `id` = '21' limit 12.73ms/app/Http/Controllers/IndexController.php:342ecpaklog_db
        Metadata
        Bindings
        • 0. 21
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 13. /app/Http/Controllers/IndexController.php:342
        • 14. /app/Http/Controllers/IndexController.php:347
        • 15. /app/Http/Controllers/IndexController.php:311
        • 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:212
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:169
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:645
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:30
        • 23. middleware::selectNav:33
        • 24. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 26. middleware::front:33
        • 27. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 28. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 29. middleware::languages:23
        • 30. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 31. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 32. middleware::OperationLog:77
        • 33. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 34. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 35. middleware::bindings:41
        • 36. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 37. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 38. middleware::csrf:67
        • 39. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 40. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 41. /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49
        • 42. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 43. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 44. /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:63
        • 45. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 46. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 47. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37
        • 48. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 49. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
      • select `n`.*, `nl`.`title`, `nl`.`cover`, `nl`.`content`, `nl`.`explain`, `nl`.`external_link` from `news` as `n` left join `news_lang` as `nl` on `nl`.`news_id` = `n`.`id` and `nl`.`lang` = 'zh-CN' where `n`.`id` < '897' and `n`.`category_id` = '2' and `nl`.`title` is not null order by `id` desc limit 14.6ms/app/Http/Controllers/IndexController.php:322ecpaklog_db
        Metadata
        Bindings
        • 0. zh-CN
        • 1. 897
        • 2. 2
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 13. /app/Http/Controllers/IndexController.php:322
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:212
        • 18. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:169
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:645
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:30
        • 21. middleware::selectNav:33
        • 22. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 24. middleware::front:33
        • 25. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 27. middleware::languages:23
        • 28. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 30. middleware::OperationLog:77
        • 31. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 32. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 33. middleware::bindings:41
        • 34. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 35. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 36. middleware::csrf:67
        • 37. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 38. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 39. /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49
        • 40. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 41. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 42. /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:63
        • 43. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 44. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 45. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37
        • 46. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 47. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 48. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php:59
        • 49. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
      • select `n`.*, `nl`.`title`, `nl`.`cover`, `nl`.`content`, `nl`.`explain`, `nl`.`external_link` from `news` as `n` left join `news_lang` as `nl` on `nl`.`news_id` = `n`.`id` and `nl`.`lang` = 'zh-CN' where `n`.`id` > '897' and `n`.`category_id` = '2' and `nl`.`title` is not null limit 12.93ms/app/Http/Controllers/IndexController.php:331ecpaklog_db
        Metadata
        Bindings
        • 0. zh-CN
        • 1. 897
        • 2. 2
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 13. /app/Http/Controllers/IndexController.php:331
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:212
        • 18. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:169
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:645
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:30
        • 21. middleware::selectNav:33
        • 22. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 24. middleware::front:33
        • 25. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 27. middleware::languages:23
        • 28. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 30. middleware::OperationLog:77
        • 31. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 32. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 33. middleware::bindings:41
        • 34. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 35. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 36. middleware::csrf:67
        • 37. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 38. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 39. /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49
        • 40. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 41. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 42. /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:63
        • 43. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 44. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 45. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37
        • 46. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 47. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 48. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php:59
        • 49. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
      • select * from `navigation` where `id` = '23' limit 12.73ms/app/Http/Controllers/IndexController.php:333ecpaklog_db
        Metadata
        Bindings
        • 0. 23
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 13. /app/Http/Controllers/IndexController.php:333
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:212
        • 18. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:169
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:645
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:30
        • 21. middleware::selectNav:33
        • 22. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 24. middleware::front:33
        • 25. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 27. middleware::languages:23
        • 28. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 30. middleware::OperationLog:77
        • 31. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 32. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 33. middleware::bindings:41
        • 34. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 35. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 36. middleware::csrf:67
        • 37. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 38. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 39. /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49
        • 40. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 41. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 42. /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:63
        • 43. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 44. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 45. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37
        • 46. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 47. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 48. /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php:59
        • 49. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
      • select * from `navigation` where `lang` = 'zh-CN' and `footer` = '1' order by `priority` desc9.42ms/app/Table/Navigation.php:53ecpaklog_db
        Metadata
        Bindings
        • 0. zh-CN
        • 1. 1
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 12. /app/Table/Navigation.php:53
        • 13. /app/Http/ViewComposers/FooterComposer.php:18
        • 18. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:179
        • 19. /vendor/laravel/framework/src/Illuminate/View/View.php:118
        • 20. /vendor/laravel/framework/src/Illuminate/View/View.php:85
        • 21. view::public.base:48
        • 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
        • 24. /vendor/laravel/framework/src/Illuminate/View/View.php:137
        • 25. /vendor/laravel/framework/src/Illuminate/View/View.php:120
        • 26. /vendor/laravel/framework/src/Illuminate/View/View.php:85
        • 27. view::news_details:58
        • 29. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
        • 30. /vendor/laravel/framework/src/Illuminate/View/View.php:137
        • 31. /vendor/laravel/framework/src/Illuminate/View/View.php:120
        • 32. /vendor/laravel/framework/src/Illuminate/View/View.php:85
        • 33. /vendor/laravel/framework/src/Illuminate/Http/Response.php:39
        • 34. /vendor/symfony/http-foundation/Response.php:199
        • 35. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:711
        • 36. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:685
        • 37. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:645
        • 38. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:30
        • 39. middleware::selectNav:33
        • 40. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 41. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 42. middleware::front:33
        • 43. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 44. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 45. middleware::languages:23
        • 46. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        • 47. /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php:53
        • 48. middleware::OperationLog:77
        • 49. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:149
        visit
        array:2 [ "name" => "Guest" "user" => array:1 [ "guest" => true ] ]
        expo
        array:2 [ "name" => "Guest" "user" => array:1 [ "guest" => true ] ]
        admin
        array:2 [ "name" => "Guest" "user" => array:1 [ "guest" => true ] ]
          _token
          IBRWtvpeaN72muk3copqAlIxkFBJjuGuQcgsA7Fv
          _previous
          array:1 [ "url" => "https://ipfmexpo.com/press/detail/897/23" ]
          PHPDEBUGBAR_STACK_DATA
          []
          format
          html
          content_type
          text/html; charset=UTF-8
          status_text
          OK
          status_code
          200
          request_query
          []
          request_request
          []
          request_headers
          array:17 [ "priority" => array:1 [ 0 => "u=0, i" ] "accept-encoding" => array:1 [ 0 =>...
          request_server
          array:42 [ "USER" => "www" "HOME" => "/home/www" "HTTP_PRIORITY" => "u=0, i" "HTTP_ACCEPT_EN...
          request_cookies
          []
          response_headers
          array:5 [ "cache-control" => array:1 [ 0 => "no-cache, private" ] "date" => array:1 [ ...
          path_info
          /press/detail/897/23
          session_attributes
          array:3 [ "_token" => "IBRWtvpeaN72muk3copqAlIxkFBJjuGuQcgsA7Fv" "_previous" => array:1 [ "u...