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In principle, espresso coffee machines are suitable for all coffee beans, but espresso coffee pays great attention to the degree of roasting. It is not like Pour over(V60) coffee. The degree of roasting of the beans can be adjusted according to the water temperature or the ratio of powder to water, and then the flavor of the single-origin coffee production area is brewed.
Steam coffee machines extract coffee essence through high pressure, which will infinitely amplify the taste of coffee beans. Different coffee beans have different tastes, ranging from sour to bitter. Therefore, using a single variety of coffee beans to make espresso coffee will easily produce extremely strong sourness and bitterness.
Therefore, FrontStreet Coffee does not recommend using light roasted coffee beans to make espresso. Because light-roasted coffee beans extract more acid and less oil, and then add milk to make milk coffee or cappuccino, the basic flavor of the cup of coffee will be sour, and the taste will be thin.
Currently, most coffee shops on the market use dark roasted blended coffee beans when making espresso. Although it is a blend, it does not mean that the coffee beans are of poor quality. In the past, people had a bad opinion about blending coffee beans, mostly because the coffee beans were unstable at that time, or some unscrupulous merchants used low-quality coffee beans to mix and roast them deeply in an attempt to confuse the situation.
However, the coffee beans on the market today have met the definition of SCA specialty coffee. As long as the coffee beans are of high quality, have a professional understanding of coffee when making, and have professional customer service, whether it is a blend or a single-origin espresso, it belongs to specialty coffee.
The emergence of blended coffee is because coffee from a single production area (single-origin coffee) is affected by the terroir and climate every year and cannot achieve long-term stability. Therefore, professional roasters/baristas will conduct in-depth research on the coffee beans in each production area and mix different varieties of coffee beans according to different proportions before roasting/mixing them after roasting to ensure that the concentrate extracted from these coffee beans achieves a certain harmonious taste, and at the same time can stabilize the flavor performance of each cup of espresso.
FrontStreet Coffee has also launched four blends of coffee beans specifically designed to make medium-dark roasted Italian coffee based on the taste needs of consumers. You can choose different flavors of blended coffee beans according to your personal preferences. Orders can be placed at the Front Street Taobao store and the Front Street Tmall flagship store. FrontStreet Coffee will ship all coffee beans ordered online within five days after roasting, ensuring that everyone can feel the best aroma of freshly roasted coffee.
"FrontStreet Coffee - Nuanyang Blended Coffee Beans" is a coffee bean with a mainly wine aroma. Made from Ethiopian sun-dried red cherry coffee beans (30%) + Honduran sherry barrel coffee beans (70%), it has a rich aroma of wine, vanilla cream, sweet and sour berries, and the flavor of roasted nuts.
"FrontStreet Coffee-FrontStreet Blend 100% Arabica Coffee Beans": an Italian coffee bean with a nutty aroma. Made from Colombian washed coffee beans (30%) + Brazilian semi-dried coffee beans (70%), it has flavors of nuts, dark chocolate, and caramel.
"FrontStreet Coffee-FrontStreet Commercial Blend Coffee Beans" is an Italian coffee bean that is mainly full-bodied. Made from Robusta washed coffee beans (10%) + Colombian washed coffee beans (30%) + Brazilian semi-dried coffee (60%), it has the flavor of nuts, cocoa, and caramel, and has a high mellowness.
"FrontStreet Coffee-FrontStreet Black Cocoa Blend (100% Arabica) Coffee Beans" is a slightly acidic and mellow Italian coffee bean. Made from Yunnan washed arabica coffee beans (30%) + Brazilian semi-sun-dried coffee beans (70%), it has a soft fruity acid, caramel, and nutty flavor.
The performance of each coffee machine and grinder is different, and there will be certain differences in both pressure and grinding scale, so there is no accurate parameter reference for grinding scale and thickness.
If it is the initial stage, FrontStreet Coffee recommends an intermediate extraction parameter. You can adjust the data according to the performance of the coffee taste: use 20g powder to extract 40g of coffee liquid at a ratio of 1:2 & 9bar pressure for 25-30 seconds. Make corresponding adjustments based on the actual flavor performance of the coffee after extraction.
How to tell whether the extracted espresso is successful? FrontStreet Coffee tells you a little secret! That can be observed from the appearance and color of the espresso crema.
Crema refers to the light reddish-brown dense foam on the surface of espresso coffee. During the roasting process, a large amount of carbon dioxide is produced on the surface of the coffee beans. Most of it is emitted during the cooling process, and a small amount is stored inside the coffee beans. These gases are released when grinding. So if you want to drink a cup of Italian coffee with rich aroma and strong flavor, it is recommended to freshly grind it and brew it~
You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.
The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.
FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.
FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473
