If you ask whether water temperature is important for extraction, Front Street Coffee believes it is important, but not that important. As a tool for adjusting the extraction rate, the higher the temperature, the easier it is to extract soluble substances, but because too high a water temperature will cause coffee to quickly release bitterness, a conservative range should be chosen. Generally speaking, the vast majority on the market [more…]

From the day coffee beans finish roasting, the internal gases, aromatic compounds, and extraction state are constantly changing. When made into an SOE Americano, these changes are stretched out by the hot water: drink it too early, and the acidity may seem jumpy while the aroma has yet to unfold; once it enters the right stage, the transition between acidity and sweetness becomes smoother, and the fruit notes are more complete. Therefore, judging [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). The coffee industry is constantly evolving—whether in terms of brewing methods or coffee varieties—and only through continuous innovation and progress can it keep refreshing its presence and avoid [more…]

After purchasing freshly roasted coffee beans, the question most commonly asked by beginners is: do these coffee beans need to be rested? The answer is: yes. However, in everyday situations, Front Street Coffee often gives a completely opposite answer: "No. The freshly roasted coffee beans you receive can be brewed directly; the time spent in transit is enough [more…]

As one of the most popular and trendy coffee brewing methods, pour-over has always been a favorite among coffee enthusiasts. However, if you want to brew a cup of coffee at home that is neither bitter nor astringent, which coffee beans should you choose? Because the flavor compounds in green coffee beans constantly change during the roasting process—simply put, it's a transition from acidity to bitterness. [more…]

Arabica and Robusta are the two major coffee genera with the greatest commercial value, and they each have their own advantages and disadvantages. For example, the flavor of the Arabica variety is good, but the disease resistance of most of them is r [more…]

Freshly roasted coffee beans reveal different facets depending on the brewing method. When buying beans day to day, you need to consider how quickly you'll drink them, how much to buy at a time, and whether you mainly make black coffee or milk coffee at home. Pour-over easily brings out the aroma, a coffee machine emphasizes intensity, and a moka pot amplifies richness, so when choosing beans you should first decide which [more…]

From the moment coffee beans finish roasting, their aroma is constantly changing. Right after roasting, they contain more carbon dioxide, then they enter a stage where the aroma opens up and the sweetness becomes clear, before gradually leveling off. Although fully automatic coffee machines are convenient to operate, when the beans go into the hopper still affects the crema, intensity, and aroma in the cup. On the packaging [more…]

The aromatic depth and smooth texture presented by a cup of latte are closely related to the current freshness and gas state of the coffee beans. After being heated during roasting, coffee beans continuously release carbon dioxide, and the flavor compounds inside are also constantly undergoing oxidation and transformation. Freshly roasted coffee beans, due to the high concentration of carbon dioxide within them, produce during extraction [more…]

From the day a batch of coffee beans finishes roasting, it enters a constantly shifting flavor curve. Right after roasting, the beans are full of gas, so brewing tends to puff up and resist the water flow, and the aromas are not necessarily at their most open; after a few days of resting, the sweetness and complexity often become clearer. For beginners buying pour-over beans, rather than chasing beans that are as close to the roast date as possible, it is better to look at [more…]

The world of coffee is far richer than one might imagine. Some people are used to casually making a cup of instant coffee, some prefer the slow, deliberate process of drip brewing, and others insist on the fresh flavor of freshly ground coffee beans. These three methods may seem to differ only in brewing technique, but in reality they conceal significant differences in composition and experience. Many people wonder whether instant coffee and drip coffee differ in their health benefits. In fact, their caffeine content is basically the same—what truly sets them apart is the chlorogenic acid content and the degree to which coffee aroma is released. Because drip coffee undergoes a more complete brewing process, it better preserves chlorogenic acid, a compound with antioxidant properties, while also fully releasing the aromatic substances inherent in the coffee. Coffee aroma itself has a calming and relaxing effect, so for people who live under long-term high pressure and busy schedules, drinking drip coffee in moderation may bring a more ideal experience for both physical and mental well-being. Next, we will compare instant, drip, and freshly ground coffee one by one across multiple dimensions, including composition, aroma, and taste. [more…]

"Do you have cold brew coffee?" "Yes, today's cold brew is..." "How did it get made so quickly?" "Due to time constraints, the cold brew is all made in advance and kept in the fridge." "So how long does it take to make a cup of cold brew coffee?" This is a conversation that occasionally happens at Front Street Coffee shops. Regarding cold brew coffee, besides the "price" [more…]

For more specialty coffee knowledge, please follow our WeChat public account: Front Street Coffee (FrontStreet Coffee). Those who have read Front Street's popular science articles may have noticed that Front Street rarely specifies exact extraction times the way it does when explaining pour-over coffee, because espresso extraction is about more than just [more…]

People's definition of top-tier coffee is constantly changing, and the old rich, full-bodied cup has long become a thing of the past. Nowadays, if you casually ask any coffee lover which coffee can represent the very best, the answer you get is very likely Panama Geisha. There are many varieties of Panama Geisha, and when faced with Front Street's tasting [more…]

Coffee today is no longer just a "functional drink" used to wake you up; it is also a medium that holds a wealth of experiences. Thanks to the spread of the concept of specialty coffee, which has brought about a leap in coffee quality, we can now taste the terroir of different places through a single small cup of coffee. For example, [more…]

As we all know! The condition of coffee beans and the weather are constantly changing every day, and this directly affects espresso extraction, causing the coffee's taste to vary each day due to these changes. If we want to keep the coffee consistently delicious, we have to adjust parameters to correct the coffee's flavor. And this is [more…]

Yunnan coffee, a coffee standing on the wave of the times, after a century of tempering, domestic demand for coffee is growing, and the quality of Yunnan coffee is also constantly rising. Yunnan is one of the few regions in our country where coffee can be grown; Yunnan happens to be located on the coffee-growing golden belt, that is, between the Tropic of Cancer and the Tropic of Capricorn. [more…]

As coffee has become part of everyone's daily life, it's not hard to learn a lot of new and comprehensive knowledge about coffee from video apps. Besides researching how to brew and how to taste the flavors, many friends have started to take a strong interest in coffee bean roasting. But many of them act on a momentary impulse, and [more…]

I believe many friends know that although iced drip coffee, like iced Americano, iced latte, and iced pour-over, falls under the category of iced coffee, the price of iced drip coffee is always considerably higher than other iced coffees, and sometimes the portion is even smaller. For example, a cup of Americano at Front Street Coffee is 23 yuan, while a cup of iced drip coffee is 40 yuan, making the latter more expensive than the former by [more…]

If we don't want to go through overly complicated coffee-making steps but still want to enjoy the taste of freshly brewed coffee, then drip bag coffee is definitely the most suitable choice. Making drip bag coffee is very simple—no need to grind beans, no need for professional brewing equipment. All we need is a cup and any pouring kettle, and we can [more…]