1. The commonly used plastic tableware is basically made of polyethylene and polypropylene. This is a non-toxic plastic approved by most national health authorities, but polyvinyl chloride, which has a similar molecular structure to polyethylene, is a dangerous molecule. A rare hepatic hemangioma has been found, which is almost related to people who often contact PVC.

2、一般說來，鐵制餐具性。但鐵器易生銹，而鐵銹可引起惡心、嘔吐、腹瀉、心煩、食欲不佳等疾病。鐵制容器也比宜盛油類物質，因為油類在鐵器中存放時間太久易氧化變質。

2. Generally speaking, iron tableware is nontoxic. But iron is easy to rust, and rust can cause nausea, vomiting, diarrhea, upset, poor appetite and other diseases. Iron containers are also more suitable for oil, because the oil stored in iron for too long is easy to oxidize and deteriorate.

3、瓷器過去被公認為是餐具，但近年來也有瓷器餐具使用中毒的報告。原來有些瓷器餐具的漂亮外衣(釉)中含有鉛，如果燒瓷器時溫度不夠或者涂釉配料不符合標準，就可能會使餐具含有較多的鉛。當食物與餐具接觸時，鉛就可能溢出釉的表面混入食物中。因此，那些表面多刺、多斑點、釉質不夠均勻甚有裂紋的陶瓷產品，不宜做餐具。

3. Porcelain used to be regarded as non-toxic tableware, but in recent years, there are also reports of poisoning caused by the use of porcelain tableware. It turns out that the beautiful coat (glaze) of some porcelain tableware contains lead. If the temperature is not enough when firing porcelain or the glaze ingredients are not up to the standard, the tableware may contain more lead. When food comes into contact with tableware, lead may spill over the glaze surface and mix into the food. Therefore, it is not suitable to make tableware for those ceramic products with prickly and spotty surface, uneven enamel and even cracks.

4、不銹鋼餐具美觀大方、輕便好用、耐腐蝕不生銹，頗受人們青睞，不銹鋼是由鐵鉻合金摻入鎳、鉬等金屬制成，這些金屬中有的對人體有害，因此使用時應注意，不要長時間盛放鹽、醬油、醋等，因為這些食物中的電解質與不銹鋼長期接觸會發生反應，使有害物質被溶解出來。

4. Stainless steel tableware is beautiful and easy to use, easy to use, corrosion-resistant and not rusty, it is popular. Stainless steel is made of iron chromium alloy mixed with nickel, molybdenum and other metals. Some of these metals are harmful to human body. Therefore, attention should be paid not to put salt, soy sauce, vinegar, etc. for a long time, the electrolyte in these foods will react with stainless steel for a long time, making harmful substances The substance is dissolved.

5、鋁制餐具輕巧耐用，物美價廉，但鋁在人體內積累過多，有加速衰老的作用，對人的記憶力也有一定得不良影響。鋁制餐具不宜燒煮酸性和堿性食物，也不宜用來久存飯菜和長期盛放含鹽食物。

5. Aluminum tableware is nontoxic, light, durable and cheap. However, aluminum accumulates too much in human body, which can accelerate aging and has a certain adverse effect on human memory. Aluminum tableware is not suitable for cooking acidic and alkaline food, nor is it suitable for long-term storage of food and salt food.

6、選陶瓷餐具時不要選用釉上彩裝飾的，特別是陶瓷餐具內壁不要彩繪。可選用釉下彩或釉中彩裝飾，如青花就是一種人們喜歡以釉下彩裝飾的陶瓷。

6. When choosing ceramic tableware, do not choose glaze color decoration, especially the inner wall of ceramic tableware should not be painted. Can choose underglaze color or in glaze color decoration, such as blue and white is a kind of ceramics that people like to decorate with underglaze color.

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