Drinking water is an important matter of survival and health, and the cup of drinking water is directly related to this major event. You are doing it right! If you use the wrong cup, it is equivalent to drinking poison! So which cup is the best to drink water, and which cup is the healthiest to drink water? What is the best material for the water cup? Come see it with me below.
Stainless steel cup
, under normal use, the precipitation of chromium in a high-quality stainless steel cup is very small, which does not affect human health. Improper use of low-quality stainless steel quilts will release heavy metals, which are harmful to health.
Notes:
Stainless steel cups are generally used to hold ordinary water, but try not to hold acidic drinks, such as juice, coffee, carbonated drinks, etc. When cleaning stainless steel cups, do not use strong oxidizing soda, etc. These substances are also prone to chemical reactions with stainless steel. Stainless steel cup summary: It is recommended to hold ordinary water, not acidic beverages
Ceramic cup
There are two types of ceramic cups.
The first type: ceramic cups painted with colorless glaze, especially the inner wall should be colorless, which is the first choice for drinking water. Not only is the material safe, it can withstand high temperatures, but also has a relatively good thermal insulation effect. It is a good choice to drink hot water or tea.
The second: The colorful patterns on the ceramic cup, especially the pigments on the inner wall are painted on the glaze layer, when encountered or when the acid or alkalinity is high, the toxic heavy metal elements such as lead in the pigments may dissolve in the In liquids, these liquids can cause harm to the human body.
Glasses
Glasses are the healthiest of all cups. The glass does not contain organic chemicals when it is fired, and the glass surface is smooth and easy to clean. Bacteria and dirt are not easy to breed on the wall of the glass, so drinking water from a glass is the safest and healthiest.
Note: In order to avoid scratches on the cup body, do not wipe the cup body with rough wire balls, etc.; Heating to avoid deformation of the cup body and affect the use effect.
Glass Summary: Drinking water is the safest.
Plastic Cups
Plastic cups are becoming less and less popular. Because plasticizers are often added to plastics and contain some toxic substances, toxic chemicals are easily diluted into water at high temperatures. And the internal microstructure of plastic has many pores, which is easy to hide dirt, and it is easy to breed bacteria if it is not cleaned properly.
Note: Plastic cups must be made of food-grade plastic that meets national standards. Generally, it is PP polypropylene and PC plastic cups. Summary: Toxic substances are easily precipitated in hot water.
Disposable paper cups
Disposable paper cups only look hygienic and convenient. In fact, the product qualification rate cannot be judged, and whether it is clean and hygienic cannot be identified with the naked eye. Some paper cup manufacturers add a lot of fluorescent whitening agents to make the cups look whiter. It is this fluorescent substance that can mutate cells and become a potential carcinogen once it enters the human body. And from the perspective of environmental protection, disposable paper cups should be used as little as possible.
Summary of disposable paper cups: There are many health hazards, and it is not environmentally friendly.