How to choose the material of coffee cup and introduce its advantages and disadvantages
Generally speaking, the choice of coffee cups is nothing more than glass, plastic, metal, paper, and ceramic cups, so which kind of cup is better? of course, the "better" here is a comprehensive analysis of various factors. Then let Aijing Ceramics go through it for you in detail.
The glass is transparent and beautiful, and of all the cups made of material, the glass is the healthiest and safest. The glass is made of inorganic silicate and does not contain organic chemicals in the firing process. When people drink water and coffee from the glass, they do not have to worry about the chemicals being drunk into their bellies. Moreover, the surface of the glass is smooth and easy to clean, and bacteria and dirt are not easy to breed on the walls of the cup, so it seems that the glass should be the best choice for coffee cups. But one of the deadliest shortcomings in making coffee cups is that the glass is most afraid of hot expansion and cold shrinkage. The glass that is too low temperature should not be filled with hot water right away. It is easy to crack, but we all know that the way we drink coffee, China has always liked to drink hot water. In that case, the glass coffee cup is not suitable either in the coffee shop or in the family. There's nothing we can do about it.
Second, the plastic cup has always been respected by white-collar workers and students because it is durable and cheap, but it is not suitable for making coffee. Because some chemicals are released from plastic cups when heated, but hot water is not used to make coffee there. And although the plastic surface looks smooth, there are actually many gaps, which are easy to hide dirt and dirt. This is the favorite place like a coffee shop. In the office, most of the people wash the cup only with clean water, and the cup can not be thoroughly cleaned and disinfected. Plastic cups are also extremely susceptible to bacteria. The cup is affected by static electricity such as computer and chassis, and it will absorb more dust, bacteria and germs, which will affect your health for a long time.
Third, in recent years, a kind of metal cup has become popular in middle school, there are all kinds of colors, not only good-looking but also warm, is there a cool feeling to hold it in your hand? However, most of these cups are made of stainless steel. However, making coffee in stainless steel cups will release heavy metal chromium. If the human body consumes a large amount of trivalent chromium for a long time, it will affect the body's antioxidant system and easily get some chronic oxidative diseases, such as diabetes, hypertension and other diseases. In addition, due to the damage to the antioxidant system, it is easy to develop abnormal hyperplasia diseases such as tumors. So stainless steel coffee cups are not ideal either.
Fourth, paper coffee cups are the most common coffee cups. They are not only convenient but also easy to carry. Most employers prefer this kind of coffee cup, but this kind of coffee cup is not the best choice, because in order to prevent water infiltration, the inner wall of disposable paper cups is usually coated with a thin layer of wax. Wax will melt when it is heated. In general, if the temperature of the water exceeds 40 ℃, this layer of wax will dissolve. Think about it, can you drink this kind of food in your stomach? And some paper cups may be made of waste paper, in order to make the paper cups look whiter, manufacturers will use bleach in production. Some manufacturers may also use phosphors to increase whiteness.
For this situation, Aijing ceramics can only be described as "dirty". What is more important is that the large gap on the inner wall of the paper cup is easy to absorb coffee factors, which leads to the loss of coffee concentration. This is not an ideal choice either.
Fifth, the ceramic coffee cup is an infallible choice in Aijing Ceramics at present. It not only has a variety of styles, but also has no harm to health, because its production method is relatively special, so it is more resistant to high temperature, and it is also relatively easy to clean (as long as the method is right). Aijing Ceramics another reason why I have a fondness for ceramic coffee cups is the word "elegant".
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About the selection and exquisite use of coffee cup size
Coffee cups are roughly divided into three sizes, each of which can roughly judge the intensity of a cup of coffee. Generally speaking, the smaller the size, the stronger the coffee inside. In the high-end coffee shops, the most common coffee cups are only half the size of the water cups we usually drink, which is somewhat similar to the black tea cups, the common personality coffee cups in the office, and the commonly used ceramic coffee cups.
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Introduction and working principle of Italian Coffee Machine
The principle of Italian coffee machine is to use a mixture of high-pressure steam and water to quickly pass through the coffee layer and instantly extract the coffee, so that the coffee temperature is very high, the content of caffeine and other impurities is very low, and the taste is rich. The following is learned by the editor about what is an Italian coffee machine. I hope you like it! The introduction of the espresso machine started with a semi-automatic coffee machine, and I
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