你每天吃的火腿腸,頂端的鋁環可不是“裝飾”!它不僅藏著食品包裝的核心邏輯,還關聯著安全隱患和實用技巧。
The small aluminum ring at the tip of a ham sausage is far from decorative — it plays a crucial role in food safety and packaging, while also posing potential household risks.
![]()
圖源:青春北京
鋁環的作用
鋁環學名“鋁質密封環”,由食品級鋁制成。其延展性和可塑性能讓腸衣實現嚴密封口,起到阻氧阻菌、耐高溫的作用,且成本低、可回收。表面的氧化鋁膜(aluminum oxide film)還能增強耐腐蝕性(corrosion resistance),避免鋁與食物直接反應。
Known as an aluminum sealing ring, it is made of food-grade aluminum that creates a tight, heat-resistant seal, blocking oxygen and bacteria. The material is low-cost and recyclable, and a natural oxide layer prevents corrosion and direct contact with the food.
你平時是怎么打開火腿腸的呢?讓我們看看網友的說法。
![]()
圖源:青春北京評論區
如果我們用牙咬開包裝,吃掉的鋁屑會對身體健康造成威脅嗎?其實,少量鋁屑會隨代謝排出,成年人每周安全攝入量不超過120毫克(基于60公斤體重),偶爾誤食無需焦慮。
Online discussions show that consumers open ham sausages in many ways, from tearing and cutting to biting the casing. This has raised concerns about aluminum shavings, but experts say small amounts are typically expelled through metabolism. For adults, the tolerable weekly intake is up to 120 milligrams, meaning occasional accidental ingestion is unlikely to cause harm.
但是,有鋁環的火腿腸絕對不可以放在微波爐里加熱!未剝皮的火腿腸放入微波爐,鋁環會產生電火花,可能引發火災。
One clear warning remains: ham sausages with aluminum rings should never be heated in a microwave. If the casing is left on, the metal can spark and potentially trigger a fire.
![]()
五種便捷打開法
①撕封口線法:找到包裝上的虛線,順著紋路撕拉,輕松開袋無殘留。
Tear the sealing line: Follow the dotted or perforated line for a clean opening.
②環下對剪法:用剪刀在鋁環下方橫向剪斷,避免剪到鋁環產生鋁屑。
Cut below the ring: Use scissors to cut just beneath the aluminum ring, avoiding the metal.
![]()
③戳洞撕拉法:用牙簽或叉子在鋁環下方戳一個小孔,順著洞口撕拉即可。
Poke and tear: Pierce a small hole below the ring with a toothpick or fork, then tear open.
![]()
④對折戳破法:將火腿腸頂端對折,用力按壓使鋁環處破裂,再順勢撕開。
Fold and pierce: Fold the tip and press firmly until the casing breaks, then peel it back.
⑤暴力擰斷法:握住鋁環下方,順時針用力擰轉,利用壓力使腸衣斷裂,適合應急場景。
Twist and snap: Twist the casing below the ring until it snaps.

最后,拓展一個英語小知識。在英語中,pork除了指豬肉,還表示“政治恩惠”,即為獲得政治上的好處而撥給某一地區的政府資金。
More taxes and more government pork won't help the economy.
增加稅收和政府的政治恩惠無助于經濟增長。
你都是怎么打開火腿腸的?還有什么新奇的方法嗎?歡迎在評論區分享!
![]()
來源:外研社 青春北京 科普中國
跟著China Daily
精讀英語新聞
“無痛”學英語,每天20分鐘就夠!
特別聲明:以上內容(如有圖片或視頻亦包括在內)為自媒體平臺“網易號”用戶上傳并發布,本平臺僅提供信息存儲服務。
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.