Next, let's cut down on nonsense and explain clearly and concisely whether food grade sodium metabisulfite is harmful to your health.

焦亞硫酸鈉是一種食品添加劑，在食品加工中作防腐劑、漂白劑、疏松劑。當作為漂白劑使用時，只限于熏蒸，不能用于浸泡等直接接觸物體方式進行漂白。焦亞硫酸鈉可引起人體肝腎傷害，嚴重的會造成急性中毒，甚至導致死亡。

Sodium metabisulfite is a kind of food additive, which is used as antiseptic, bleach and loosening agent in food processing. When used as a bleaching agent, it is limited to fumigation and cannot be used for direct contact with objects such as soaking. Sodium metabisulfite can cause injury to human liver and kidney, and even lead to acute poisoning and death in severe cases.

在日常生活中，購買者可從食品的色澤、氣味等方面來作簡單的判斷。如買荸薺，可看其表皮顏色是否過于鮮艷，如鮮艷的話可再聞其是否有刺激性氣味（是果實的話可削去表皮聞），如有刺激性氣味，則一般可能經(jīng)過藥劑浸泡。

In daily life, buyers can make simple judgments from the color, smell and other aspects of food. If you buy a water chestnut, you can see whether its skin color is too bright. If it is bright, you can smell whether it has a pungent smell (if it is a fruit, you can cut off the skin and smell it). If it has a pungent smell, it may generally be soaked in medicine.

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The above is a detailed introduction to refined naphthalene, and we hope it will be helpful to you. If you have any questions, please contact us. We will provide services for you with our attitude http://www.ica.net.cn