Drinking water is second only to the second thing to eat, and the cup of drinking is directly related to this life, you are not right! If you use the wrong cup, then it is equal to the poison!
Dare to tell Xiaobian, what cup is you drinking water every day?
Today we will come to a variety of cups!
Stainless steel cup
Stainless steel cups belong to alloy products, improper use, which will release the heavy metal substances contained, harmful to health. In daily use, it is not a problem with stainless steel cups, but don’t use acidic drinks, if juice, coffee, carbonated drinks, etc., because it is easy to precipitate heavy metal substances, so even if it is used to drink ordinary water is not safe. .
When cleaning stainless steel cups, do not use strong soda, bleaching powder, etc., which are also easy to chemically react with stainless steel.
Stainless steel cup summary:
Sheng ordinary water is not big, but don’t use acidic beverages
Health Index: ★★★ ☆☆
2. Ceramic Cup
Ceramic cups are divided into two.
First type: colorless glaze, inner wall colorless:
Health Index: ★★★★ ☆
Colorful glaze coated ceramic cups, especially inner walls to be colorless, and the first choice for drinking water. Not only material security, can high temperature, there is a relatively good insulation effect, drink hot water or drink tea is a good choice.
Health Index: ★ ☆☆☆☆
Is there a beautiful color in your cup, a cute pattern? If so, change it. The colorful patterns on the ceramic cup are actually a pigment that may hide the safety hazard.
In particular, the inner wall is coated with glaze. When the cup is inserted into boiling water or acid, the lead oriented metal elements in these pigments are easily dissolved in the liquid, and people drink liquids with chemicals, they will The human body is harmful.
Ceramic Cup Summary: It is best to use colorless glaze!
Health Index: ★★★★ ☆ / ★ ☆☆☆☆
In all cups of all materials, the glass can be the healthiest. The glass does not contain organic chemicals during the firing process. When people drink water or other drinks with a glass, they don’t have to worry about chemical substances to be drunk. Moreover, the glass surface is smooth, easy to clean, bacteria and dirt are not easy to be born in the cup wall, so people drink water with a glass is the most healthy and safe.
Glass summary: Drinking is the safest!
Health Index: ★★★★★
4. Plastic cup
Plastic cups are also unpopular. Since plastic is often added, there is some toxic chemicals, and toxic chemicals are easily diluted into the water.
And the internal microscopic structure of the plastic has a lot of pores, easy to hide the dirt, and it will be easy to be bleeding. So, when purchasing a plastic cup, you must choose the cup of edible plastics that meet the national standard.
Plastic cup summary: hot water is easy to precipitate toxic substances
Health Index: ★★ ☆☆☆
[Buy a plastic cup to look for the number of bottoms]
Not all plastic cups are suitable for a glass, you must look for whether there is a QS sign when purchasing, while there is a small triangle symbol at the bottom of the cup, which is their ID card.
1 PET: Heat to 65 ° C, cold to -20 ° C.
No. 2 HDPE: It is recommended not to use it.
3 PVC: It is best not to buy.
No. 4 LDPE: is not strong in heat resistance.
5 PP: microwave oven box, fresh storage box, high temperature resistant to 120 ° C.
6 PS: heat and cold, but not in the microwave.
No. 7 PC Other Class: kettle, water cup, bottle.
5. Enamel Cup
The enamel cup is made of harmful substances such as the high temperature of thousands of degrees Celsius, which can be used with confidence.
Although the metallic substance contained in the enamel cup is relatively stable, it is possible to dissolve in an acidic environment. Therefore, it is best not to use an enamel cup for a long time of orange juice, otherwise it will contain ordinary water will also contain metal substances. In addition, the surface of the enamel cup is easily damaged, and the harmful substance will be doubted.
Enamel cup summary: more secure, but don’t have a good acidity for a long time
6. Disposable paper cup
Disposable paper cups only look health, convenient, in fact, the qualification rate cannot be judged, is it clean, hygienic, and it is impossible to identify the naked eye.
Some paper cup manufacturers have to make the cup look whitening, add a large fluorescent whitening agent. In addition, this fluorescent substance can make cells to variably, and once it enters the human body, it will become a potential carcinogenic factor. And from the perspective of environmental protection, it should also use the disposable paper cup as little as possible.
Disposable paper cup summary: healthy hidden dangers, and not environmentally friendly
Health Index: ☆☆☆☆☆
1. The safest is:
Colorful glaze coated ceramic cup
2. The least secure:
Disposable paper cup
Colorful ceramic cups
3. Pay attention to:
Don’t use stainless steel cups, enamel glass, drink coffee, orange juice and other acidic beverages.
Source: people health
Health Index: ★★★★ ☆