| dbo:abstract |
هو مصدر قلق محتمل بسبب الطبيعة المسرطنة لجزيء البنزين. وهذا التلوث هو أحد شواغل الصحة العامة وقد أحدث ضجة كبيرة بين المدافعين عن البيئة والصحة. ويتم تنظيم مستويات البنزين في مياه الشرب على المستويين الوطني والدولي، وفي زجاجات المياه في الولايات المتحدة، ولكن بشكل غير رسمي فقط في المشروبات الغازية. يتكون البنزين من إزالة الكرفس لحمض البنزويك الحافظة في وجود حمض الاسكوربيك (فيتامين ج) وأيونات المعادن (الحديد والنحاس) التي تعمل كمحفزات، خاصة تحت الحرارة والضوء. (ar) Benzene in soft drinks is of potential concern due to the carcinogenic nature of the benzene molecule. This contamination is a public health concern and has caused significant outcry among environmental and health advocates. Benzene levels are regulated in drinking water nationally and internationally, and in bottled water in the United States, but only informally in soft drinks. The benzene forms from decarboxylation of the preservative benzoic acid in the presence of ascorbic acid (vitamin C) and metal ions (iron and copper) that act as catalysts, especially under heat and light. Hot peppers naturally contain vitamin C ("nearly as much as in one orange") so the observation about soft drinks applies to pepper sauces containing sodium benzoate, like Texas Pete. (en) Benzeno em refrigerantes é a ocorrência de benzeno em refrigerantes, ele demanda certa atenção devido à natureza carcinogênica da molécula de benzeno. Esta contaminação é um problema de saúde pública e tem causado manifestações importantes entre os defensores do meio ambiente e da saúde. Os níveis de benzeno são regulamentados na água potável nacional e internacionalmente, e na água engarrafada nos Estados Unidos, mas não há regulamentação formal em refrigerantes. O benzeno se forma a partir da descarboxilação do conservante ácido benzóico na presença de ácido ascórbico (vitamina C) e íons metálicos (ferro e cobre) que atuam como catalisadores, especialmente sob calor e luz. Várias autoridades estabeleceram limites para o teor de benzeno na água potável. A Organização Mundial da Saúde (OMS), por exemplo, estabelece o limite de 10 ppb (10 microgramas por quilograma) de benzeno na água potável (a OMS observa que o benzeno deve ser evitado sempre que tecnicamente viável).(Ver também: Benzeno § Efeitos na saúde) (pt) |
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https://web.archive.org/web/20110718012424/http:/www.accidentalhedonist.com/index.php/2006/04/03/soft_drinks_and_benzene_a_primer |
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هو مصدر قلق محتمل بسبب الطبيعة المسرطنة لجزيء البنزين. وهذا التلوث هو أحد شواغل الصحة العامة وقد أحدث ضجة كبيرة بين المدافعين عن البيئة والصحة. ويتم تنظيم مستويات البنزين في مياه الشرب على المستويين الوطني والدولي، وفي زجاجات المياه في الولايات المتحدة، ولكن بشكل غير رسمي فقط في المشروبات الغازية. يتكون البنزين من إزالة الكرفس لحمض البنزويك الحافظة في وجود حمض الاسكوربيك (فيتامين ج) وأيونات المعادن (الحديد والنحاس) التي تعمل كمحفزات، خاصة تحت الحرارة والضوء. (ar) Benzene in soft drinks is of potential concern due to the carcinogenic nature of the benzene molecule. This contamination is a public health concern and has caused significant outcry among environmental and health advocates. Benzene levels are regulated in drinking water nationally and internationally, and in bottled water in the United States, but only informally in soft drinks. The benzene forms from decarboxylation of the preservative benzoic acid in the presence of ascorbic acid (vitamin C) and metal ions (iron and copper) that act as catalysts, especially under heat and light. Hot peppers naturally contain vitamin C ("nearly as much as in one orange") so the observation about soft drinks applies to pepper sauces containing sodium benzoate, like Texas Pete. (en) Benzeno em refrigerantes é a ocorrência de benzeno em refrigerantes, ele demanda certa atenção devido à natureza carcinogênica da molécula de benzeno. Esta contaminação é um problema de saúde pública e tem causado manifestações importantes entre os defensores do meio ambiente e da saúde. Os níveis de benzeno são regulamentados na água potável nacional e internacionalmente, e na água engarrafada nos Estados Unidos, mas não há regulamentação formal em refrigerantes. O benzeno se forma a partir da descarboxilação do conservante ácido benzóico na presença de ácido ascórbico (vitamina C) e íons metálicos (ferro e cobre) que atuam como catalisadores, especialmente sob calor e luz. Várias autoridades estabeleceram limites para o teor de benzeno na água potável. A Organização Mundial da Saúde (OMS (pt) |
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البنزين في المشروبات الغازية (ar) Benzene in soft drinks (en) Benzeno em refrigerantes (pt) |
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dbr:Benzene |
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