How Can I Adjust Brewing Water Temperature To Make Better Coffee?

The temperature of the coffee brewing water has a direct impact on the release of different substances in the coffee during brewing.

As a coffee lover, do you prefer Americano or drip coffee? Do you know the difference between Americano and drip coffee?

Many chemical reactions occur when brewing. The water will extract malic acid, acetic acid, chlorogenic acid, caffeine, and coffee oil. These substances are released at different points in time. For example, fruit acids and caffeine are released at the beginning of the brew, sweetness at intermediate time points, and bitterness at later times.

What does this have to do with the temperature at which the coffee is brewed? The higher the temperature of the water, the faster the substances in the coffee will be released. As each substance affects the flavour of the coffee to some extent, it is important to carefully control the substances extracted each time when brewing, meaning that you need a steady control of the water temperature.

When the water is hot, the extraction can be difficult to control and some of the bad tasting substances can be released very quickly. Words such as too strong and burnt are often used to describe this type of coffee where the flavour gets out of control due to high temperature extraction.

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The best evidence of this is that people often say that cold brew coffee is too bland because the brewing water is too cold. However, anyone who has drunk cold brew coffee knows that it is very smooth, low in acidity, and sweet. While longer brewing times can compensate for the low water temperature, some substances will not be extracted at lower temperatures. The rate of release of different aroma components is different at different temperatures.

In addition, because the brewing time and grinding thickness cannot fill the defects of low-temperature brewing, the coffee produced will have a smelly sour taste and lack of alcohol thickness. Because the extracted substance is mainly acid, there is less fat to increase the thickness of alcohol, and there is less sweetness and bitterness to balance the flavor of the coffee.

Accurate boiling is very important. Controlling the water temperature will produce a better flavor.

Do you brew coffee at home or go to a nearby cafe for a drink? Do you really know what fresh coffee is exactly? Freshly roasted, freshly ground, freshly brewed.

It is important not only to have the correct brewing temperature but to maintain cooking accuracy and consistency. Inconsistent water temperatures are like turning the oven on and off multiple times while baking a cake, resulting in inconsistent oven temperatures and horrible end results.

Unfortunately, the water temperature has always been a big variable factor. It is impossible to completely remove the variable factor of water temperature, but the variable factor can be controlled.

Instruments are also the key to controlling variables. Nathan pointed out that pots with poor heat insulation and heaters often lead to unstable results.

What exactly causes the sour taste of coffee? Green coffee beans fully absorb the pectin in the pulp, maintaining the sweet and sour fruity flavor of the coffee beans before roasting.

An inadequate supply of hot water is usually caused by inaccurate temperature control combined with the simultaneous pouring of cold water into the water heater. It is important to use an appliance with a stable water supply temperature. A good brewing appliance will produce consistent quality espresso.

A good Italian coffee machine can control the temperature very accurately, and the temperature when the water contacts the coffee powder is also correct. The problem with making coffee by hand is that you often have to add hot water to the pot, which will cause the water temperature in the pot to drop. We use Marco sp-9, an automatic hand washing machine that can control the water temperature, so we can clearly know the water temperature of coffee powder when boiling.

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But it's not just coffee brewing equipment that has to be considered. High-quality water control systems, such as Marco mix, can precisely control the temperature of the water. However, if someone fills a cold brew pot with hot water or uses an unpreheated filter cup, the temperature can drop by more than ten degrees.

A well-trained barista is therefore very important, not only for the process of preheating the brewing equipment but also for the coffee brewing technique. The brewing method also affects the temperature of the water. If the coffee grounds are not kept moist, it may be because the coffee grounds in the filter cup are affecting the water temperature, causing it to become unstable.

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Receiving formal education and training, and even participating in professional cooking courses, can help to improve this situation.

Whenever you talk about water temperature, there are many variables that affect the quality and consistency of coffee. Make sure you have a method or brewing equipment that allows you to accurately control the brewing variables. Set up standard procedures for manual perforation. And good training is essential, whether you're cooking in the shop or planning to take a certification exam.

After all, good beans need to be washed well to give full play to their flavor.

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