How many degrees of water temperature is the appropriate temperature for brewing coffee? Different water temperatures extract different flavors.

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Relationship between water temperature of hand-brewed coffee and extraction tools and freshness of coffee beans

Occasionally I see someone brewing coffee with boiling water that has just been removed from the stove. When this happens, I always imagine the taste of that cup of coffee in my mind, thinking that there will be a bitter taste coming out of the root of my tongue. Because coffee is not suitable to be brewed with 100-degree boiling water, it will not only scald the coffee but also make it too bitter to swallow, so we have to add a lot of sugar and cream to flavor.

In fact, the water temperature suitable for brewing coffee is about 85 to 95 degrees Celsius, and the brewing temperature depends on the degree of roasting of coffee beans. the general principle is that beans that are deeply roasted are boiled at a lower temperature, while beans that are lightly roasted are at a higher temperature. If you don't know how many degrees of hot water to use at first, it is recommended to start at 90 degrees. This temperature is almost suitable for most coffee beans, and then you can adjust the temperature according to your preference.

In order to accurately judge the temperature, a thermometer is necessary here, and there is also a basis for adjusting the cooking temperature because of the temperature problem. In fact, as long as it is not freshly boiled water, it should not be too hot for coffee. For example, the hot water in a thermos bottle is usually kept at about 90 degrees Celsius and can be directly taken out to make coffee. As for the boiling water that has just been boiled, as long as it is placed to cool it naturally.

If you are really picky about the stability of the temperature, the hot water used for cooking can also be 3-4 degrees higher than the predetermined temperature, because you have to calculate the temperature drop when the hot water is poured into a cold brewer, so a few degrees higher is a reasonable estimate.

Because of different water temperatures, coffee with different characteristics and flavors will be extracted.

There are usually three kinds of water temperature when extracting coffee: 1. Use water below room temperature, 2. Use hot water, 3. Coffee is brewed with water.

Coffee extracted with water below room temperature usually takes as little as 2 hours to more than 24 hours in order to fully extract the coffee ingredients. The coffee extracted in this way is a bit like wine, which can be preserved for a relatively long time. The longer the time is, the softer the taste will be, but it will go bad if you put it for too long. The "cold bubble method (Cold Brew)", known as ice drop coffee, belongs to this method.

Coffee extracted with hot water is the most common way. Generally, the water temperature is between 80ml and 95 degrees Celsius. The lower the temperature is, the stronger the sour taste is, and the bitter taste will also appear. The taste of coffee extracted by different water temperature varies greatly, so even if you use the same coffee beans and the same grinding degree, different water temperature will bring different feelings. Therefore, people who like to use hand drip filter pot or French filter pressure pot for a long time have their own preferred water temperature.

Coffee is brewed with water by extracting coffee at a temperature close to 100 degrees Celsius. Turkish coffee pots or siphon pots fall into this category. Relatively speaking, you can drink stronger coffee, and the water temperature is always fixed at 100 degrees Celsius, it is easier to maintain the consistent flavor of coffee.

Adjust the water temperature can control the taste of coffee, too bitter, the water temperature is lower; too sour, the water temperature is higher. Remember, as long as you know how to adjust the water temperature, you can change countless different flavors of coffee.

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