YOGYAKARTA - For baristas and coffee lovers, making coffee is not just a matter of pouring hot water into coffee grounds and then enjoying it, but art that requires technique and precision. Every coffee chip ideally stores the same taste, day after day, without being influenced by small changes in materials or equipment.
One way to make sure the feeling remains the same is coffee calibration. In the coffee world, coffee calibration occupies an important position because this process involves adjusting the machine, the dose, to the taste generated. Barista not only relies on intuition, but also conducts a series of trials to set standards that must be maintained.
For customers, it may not be realized that the coffee enjoyed today has a similar taste as yesterday. Behind the scenes, barista worked hard to weigh coffee grammar, recorded extraction results, and adjusted recipes until flavor balance was found. Without this process, consistency is impossible every day. So what is calibration of coffee?
Coffee calibration is basically a routine adjustment process, usually before coffee shops start serving customers. Barista will make arrangements and adjustments to all elements that affect the taste of coffee as well as conduct a series of brewed experiments.
The ultimate goal is simple, namely to produce a consistent taste according to established standards. This process applies to all types of coffee, especially those based oniri, where the accuracy of coffee powder doses, subtleties, temperature, pressure, and long extraction greatly affect the final result.
Coffee calibration also has a wider function in the professional world, especially when done by cuppers or coffee appraisers. Through calibration, they are able to recognize differences in characteristics of coffee beans, compare aromas, and evaluate flavors with certain standards.
This stage usually involves the tapping method, where coffee is assessed in terms of visuals, the aroma when matched, the aroma after brewing, and the taste that appears when tasted. Thus, calibration is not only about machines, but also about training the sensitivity of the sense of smell and taste to maintain it.
Consistency in assessing coffee also depends on the mutually agreed scoring standards. In the calibration, the barista or cupper align their assessment with the applicable reference, so the results are more objective.
Without this process, everyone can have a different interpretation of taste, which has the potential to cause disagreement. Therefore, calibration is important so that all parties have the same understanding of the quality of a coffee.
Coffee calibration is not only beneficial for baristas or assessors, but also for consumers. With the calibration, the coffee served can be given an objective score or assessment so that it makes it easier for consumers to choose the type of coffee according to taste.
From a technical point of view, the coffee calibration process involves many aspects that look simple but full of details. For example, the quality of coffee raw materials will continue to decline every day since the roasting seeds, so barista must adjust the recipe so that the taste remains the same.
Doses of coffee powder or grammar can also not be interpreted carelessly. This calculation usually follows the formula for the crew ratio, which is the comparison of the amount of coffee powder with the results of extraction obtained from the robot machine.
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Brew ratio itself has standards commonly used in the world of coffee, such as 1:1, 1:2, or 1:3. This comparison means that every 1 gram of coffee powder will be extracted with a certain amount of liquid, for example 2 ml of water for a ratio of 1:2.
So, if the barista uses 18 grams of coffee powder with a ratio of 1:2, the expected extraction results are around 36 ml fire. With this approach, the coffee taste can be adjusted according to standards, either more concentrated, balanced, or light, depending on the needs and character of coffee.
In addition, the calibration also takes into account other variables such as water temperature, refined coffee milling rate, and pressure on the engine. Each factor contributes to the final taste felt by the customer.
A little difference in temperature or length of extraction can change the taste significantly, from being too bitter to being too acidic. Therefore, barista continued to conduct experiments until it found the right balance point.
This process does seem complicated, but the results are very meaningful. Calibration of making coffee is not just a drink, but rather an experience that is consistent, rich, and satisfying.
For coffee lovers, calibration is a guarantee that every visit to a favorite coffee shop will always give the same taste. Meanwhile, for barista, calibration is a form of dedication to the profession as well as the art of maintaining quality.
Without calibration, the art of mixing coffee will lose one of its most important elements, namely taste consistency. So, every time you sipping coffee that tastes just right and balanced, remember that behind it there is a long process called calibration, which keeps the taste loyal to the connoisseur.
The English, Chinese, Japanese, Arabic, and French versions are automatically generated by the AI. So there may still be inaccuracies in translating, please always see Indonesian as our main language. (system supported by DigitalSiber.id)
