Boutique Coffee explains in detail the definition of Italian concentration
The false impression of espresso = high caffeine seems to have taken root in everyone's mind. In fact, real espresso beans are usually roasted deeply for a long time, and there is not much caffeine left. As for the remaining little caffeine, it must be extracted for a long time to dissolve. As a result, espresso with an extraction time of only 25-30 seconds has a lower content than ordinary coffee.
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Boutique Coffee Science explains in detail how to make ice drop coffee
Steps: 1, medium fine grinding powder; 2, 4 degrees Celsius cold water mixing; 3, coffee powder mixture frozen in the freezer (- 16 degrees Celsius) for 24 hours; 4. At room temperature, the frozen mixture can be finished with KF-300 ice droplets. Coffee beans: 1, medium roasted Lanshan No. 1; 2, a certain brand Blue Mountain matching, full city baking; 3, H1 baked Italian matching tasting: keep the original respectively
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Coffee machine recommendation Huijia zd-13 bean grinder evaluation
Huijia's bean grinder has always had a good reputation at the low end with high performance-to-price ratio. For example, zd-15 is the first choice for many brown friends to get started with Italian style, which is equipped with a small size conical knife + instant design. The zd-13 we are going to introduce today is the upgraded electronic control version of zd15. Left zd15, right zd-13, grinding disc and motor have the same hardware configuration. Many brown friends ask Brother Bird, the cone of many big brands.
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