Coffee video watch the changes of coffee beans during roasting in one minute.
Coffee roasting is a collection of a series of physical and chemical changes, which is the final stage of the formation of coffee bean flavor. In the process of change, there will be some phenomena as follows.
1. The moisture escapes and the weight is reduced.
two。 The texture changes from hard to brittle, with a large number of pores.
3. The color deepens gradually.
4. The individual flavor and characteristics gradually weakened, and the sense of balance and alcohol thickness gradually increased.
5. Carbon dioxide and large amounts of aromatic gases escape.
6. Aromatic oils form and gradually spill over to the surface of coffee beans.
7. Heating to a certain stage of baking will promote the chemical reaction to form new flavor substances and release energy, that is, primary explosion and secondary explosion.
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The standard of healthy coffee drinking is far away from instant coffee.
In a way, the use of chemicals or synthetic flavors to make any drink is nothing new. Now that any sweet and delicious fruit juice can be prepared, what's the problem with just coffee? Thanks to the development of science and technology, modern people can make almost everything you want quickly: people love fried chicken, which shortens the time it takes for chickens to grow up; pure fruit juice
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Do you know the common sense of coffee machine maintenance?
Know how to drink coffee and savor life. But no matter how good your coffee machine is, if you don't know how to maintain it, it will shorten your life: 1. The coffee machine should be placed in a dry, ventilated room. 2. Don't move it frequently. Avoid external force impact 3, keep the exterior clean 4, do not cut off the power supply for a long time. 5. Read more instructions and tips on coffee machine maintenance when you are free.
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