Factors affecting Espresso quality _ how much is espresso coffee bean _ Espresso coffee bean tastes good

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Espresso coffee beans

The aroma of coffee in the coffee shop makes customers feel good, and even introduces passing guests. In fact, dripping coffee should usually use shallow roasted coffee beans to be more delicious. Starbucks, a famous chain, even dripping coffee, has always used deep-roasted beans, unless it is used in Espresso coffee, Ann is not convinced; maybe merchants can sacrifice the quality of some products because they attract customers with their fragrance. At the beginning of this year, Starbucks finally began to use shallow roasted coffee beans, I do not know whether it is widespread.

Each kind of coffee bean has its advantages and disadvantages. The characteristics of coffee beans are strongly demonstrated by the quenching method of Espresso, so if a single bean is used, the shortcomings of the bean will be excessive and cause an unpleasant taste, which is why almost all Espresso is quenched with mixed beans, and only a few beans can be used for Espresso alone. The basic principle of choosing mixed beans is that the quenched Espresso must have a thick texture (heavy body), a proper acidity (acidity), and some sweetness to balance the sour and bitter taste of the coffee.

Factors affecting the quality of Espresso

Coffee beans

It is impossible to make a good Espresso without good espresso coffee beans. Mixed beans must be matched with the sweetness, aroma and lubrication required by Espresso. Coffee beans must be fresh.

Baking

Deeply roasted beans will taste bitter and scorched, and excessive deep roasting will even make the coffee lose most of its flavor, while experienced bakers will use medium and deep roasting to keep the Espresso sweet. Different baking degrees will bring different flavors and need to be matched with different extraction parameters.

Grinding

A high-quality bean grinder must be used to avoid the heat of the grinding plate affecting the flavor of the coffee. The grinding thickness will be related to many factors, such as climate, roasting degree of coffee beans, freshness, humidity, new and old bean grinders, and so on. There has always been a saying in the industry: "the correct grinding thickness is always changing, but the wrong grinding remains the same."

Receive powder and cloth powder

After grinding and before pressing the powder, the coffee powder must be evenly distributed in the powder bowl of the handle.

Filling strength

There are various styles of packing. In this world, almost no two people's packing will be exactly the same. Generally speaking, if it is heavy pressure, the required pressure will be the pressure like 25kg/m2, but packing is actually the freest parameter. The key is to press it smoothly and evenly.

Hydraulic pressure

The modern coffee machine is much more advanced than the old LAVA machine, which is controlled by a water pump to output controllable water pressure. The ideal water pressure of Espresso is generally 9 BAR, which is generally recognized as the most ideal extraction pressure.

Water temperature

The water temperature depends on the needs of different varieties of coffee beans, some are subject to boiler pressure, while others are more flexible and precise. According to the experience of most baristas, the water temperature is between 90 and 92 degrees Celsius, and each barista can adjust flexibly according to his or her own understanding and needs. Of course, you're not actually going to transfer it.

Powder quantity

The amount of Espresso powder for a single serving is 7murmur10g coffee powder, and the double serving is 14murmur20g, depending on the maximum powder content of the powder bowl and the formula of the coffee shop.

Extraction time

The extraction time of Espresso gold cup extraction is set to be between 20 and 30 seconds, but the extraction time is actually a comprehensive expression of packing pressure, powder amount and grinding degree, which needs to be adjusted by the barista's understanding of Espresso.

Extraction quantity

The older term is that Espresso has a single 30ml extract and a double 60ml extract, but its practical electronic scale is more accurate than the volume, because the state of the coffee beans affects the volume of the oil. The specific value depends on the ratio of gouache to powder.

Espresso coffee bean brand recommendation

The freshly roasted espresso coffee beans of Qianjie Coffee, a coffee roaster brand located in Dongshankou, Yuexiu District, Guangzhou, are fully guaranteed in brand and quality. And more importantly, the performance-to-price ratio is extremely high. Take the commercially recommended style of commercial blended coffee beans as an example, a pack of 454 grams, the price is only about 60 yuan. According to the calculation of 10 grams of powder for a single cup of espresso, a packet can make 45 cups of coffee, which costs less than 1.5 yuan per cup. Even if you use two heads per cup of espresso and 20 grams of powder per serving, the price of a cup of double espresso concentrate is no more than 3 yuan. Compared with the price of hundreds of yuan a pack sold by a well-known brand, it can be described as a conscience recommendation.

Qianjie coffee: Guangzhou bakery, the store is small but a variety of beans, you can find a variety of unknown beans, but also provide online store services. Https://shop104210103.taobao.com