Coffee is a drink many people can't do without every day, but what exactly are its positive and negative effects on the body? This article starts with coffee's main components, systematically sorting out the effects of substances such as caffeine, tannic acid, fat, and sugar, then separately explains the benefits of drinking coffee in moderation, including refreshing the mind, protecting the skin, sobering up, and preventing gallstones, while also discussing problems that may be caused by excessive intake, such as caffeine poisoning, insomnia, and anxiety. The article also specifically lists six groups of people who should not drink much coffee, and gives reminders about drinking on an empty stomach and for people with high blood pressure. If you care about the relationship between coffee and health, this content can serve as a fairly complete reference. [more…]

On a scorching summer day, walking the streets of Guangzhou, sweat drips from the top of your head all the way down into your clothes, and before long, your shirt is soaked through. This is a familiar sight at Front Street Coffee (FrontStreet Coffee) shops these days. An ice-cold coffee can instantly rescue you from the blazing furnace and bring you back to paradise. [more…]

Under the scorching summer sun, walking the streets of Guangzhou, sweat drips from the top of your head all the way down into your clothes, and before long, your shirt is soaked through. This is a scene that has become common lately among the folks visiting Front Street Coffee (FrontStreet Coffee) shops. An ice-cold coffee can instantly rescue you from the inferno and bring you back to paradise. [more…]

After entering the summer solstice, the hottest topic in the enthusiast chat groups is none other than #HowToMakeIcedCoffeeThatTastesGood, with everyone sharing their tips for making iced coffee with each other every day. In this article, Front Street has combined some enthusiasts' views and put together some tips for making iced pour-over coffee, iced drip coffee, and cold brew coffee taste even better! [more…]

For more professional coffee knowledge and more coffee bean information, please follow Front Street Coffee (FrontStreet Coffee). As handsome guys and pretty girls living in cities like furnaces, cold drinks are a must-have in the fridge. Cold brew coffee can satisfy both the handsome guys' and pretty girls' craving for cold drinks and their desire for coffee. [more…]

As a symbol of American culture, Starbucks rapidly went global after Howard Schultz took over, opening 17,600 stores in 61 countries. However, when Starbucks entered countries with deep cultural traditions such as China, India, and France, it frequently encountered cultural resistance and controversy. From being forced to withdraw from its Forbidden City store, to the long wait in the Indian market, to the French people's steadfast defense of traditional cafés, Starbucks, while exporting American coffee culture, has also had to face the stubborn resistance of local cultures. This article will walk you through Starbucks' path of cultural conflict and integration around the world, and explore the balance between business expansion and cultural respect. [more…]

White coffee is a highly representative traditional specialty of Malaysia, with a history spanning over a century. It is not white in color; rather, it is made from three types of coffee beans—Liberica, Arabica, and Robusta—subjected to medium-light low-temperature roasting and special processing that greatly reduces caffeine, burnt bitterness, and astringency, resulting in a pale milky-golden hue and a mellow, gentle flavor. Compared with black coffee, white coffee differs fundamentally in bean selection, roasting methods, and brewing techniques; it contains no trans fats, has lower caffeine and calories, is gentler on the stomach, and does not easily turn sour after cooling. This article will systematically outline the flavor components, processing characteristics, historical origins, health benefits, and brewing methods of white coffee, offering you a comprehensive understanding of this classic Nanyang coffee. [more…]

Latte art is a romantic expression of a barista's skill, with white milk foam blooming into heart or leaf patterns on the surface of dark brown espresso. Latte art is divided into two types: free-pour latte art and etched latte art created after pouring. The wonder of the former lies in the pattern forming simultaneously with the pour, while the latter offers a wider range of designs because the stable foam allows for leisurely drawing. From a physics perspective, the core of latte art lies in surfactants—molecules that possess both hydrophilic and hydrophobic groups, capable of stabilizing the interface between air and liquid to form lasting foam. Milk proteins and coffee lipids act together as surfactants, enabling the two micron-scale foams to remain clearly separated for a long time after mixing, thereby allowing the pattern to persist. This article will guide you from the basic principles of surfactants to understand espresso's crema, the formation of hot milk foam, and why foam mixing rather than liquid mixing is the key to successful latte art, while also revealing the widespread applications of surfactants in daily life and industry. [more…]

For more specialty coffee knowledge, please follow our WeChat official account: FrontStreet Coffee The temperature at which coffee enters the mouth is crucial for taste perception. I believe everyone knows that when tasting coffee, it needs to be tasted at high, medium, and low temperatures. What a cup of coffee expresses at different temperatures [more…]

Some may think that cold brew coffee is simply coffee grounds soaked in cold water for a long time. Actually, that's not the case! A delicious cold brew coffee involves more than just these parts to consider; it also requires attention to some small details to assist our extraction. But as long as we do it right, we can easily brew it with just a few steps. [more…]

Kopi Luwak, once one of the top-tier coffees, was so hard to find that a single bean was precious. Today, the newly crowned king of coffee, Geisha, is equally hard to come by. The reason Geisha coffee is so scarce is its high price. If you really do get your hands on a bag of Geisha coffee beans, you'll naturally treat it like a treasure to be savored. However, as someone who is still [more…]

Is long-term consumption of drip bag coffee beans harmful to the human body? How should coffee beginners choose black coffee bean drip bag coffee packets? You've probably been asked similar questions by friends who have "just gotten into" coffee. Is long-term coffee drinking actually harmful? How do beginners choose coffee? Today, let's clear up these doubts for everyone. [more…]

Those who have requirements for coffee flavor will definitely choose freshly ground coffee. If you want to brew it yourself, a grinder is essential. Open an online shopping platform and search for "grinder," and you can see a price range from 22 yuan to 71,271 yuan, a price difference of 3,239.6 times. Although in recent days [more…]

Many friends who have drunk red wine should be all too familiar with one step in wine tasting: decanting. After a period of decanting, the astringency of the tannins weakens slightly, and the sweet and sour notes in the red wine become more lively. Drinking coffee is actually quite similar to drinking red wine—red wine needs decanting, while coffee beans need resting. [more…]

The aroma of cold brew coffee lies in low temperature and prolonged contact, and the condition of the beans directly affects what ends up in the cup. Freshly roasted coffee beans usually carry a lot of gas, and their aromas have not yet unfurled; after resting for a period, sweetness, fruity notes, and mouthfeel gradually become more harmonious. Therefore, when choosing beans for cold brew, you should look not only at the flavor description but also at the roast. [more…]

Admittedly, when it comes to brewing coffee, different people hold completely different views. In the eyes of the no-frills "veteran coffee drinkers," making a cup of coffee takes only three steps: grind the beans - dump the grounds - pour water, and once it finishes dripping, you can drink it. Any extra step feels like a waste of time; but if you start from the perspective of a café that needs to ensure consistent output, for example [more…]

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…]

"Which coffee on the menu has the least caffeine?" "I really want to drink coffee, but I'm afraid I won't be able to sleep at night if I do~" In the eyes of most people, coffee is a beverage consumed precisely for its stimulating effect, but its own aroma also attracts a group of friends who pursue delicious flavors, among whom there are quite a few who are intolerant to caffeine yet "greedy for a taste" [more…]

Some people love the aroma of coffee but can't enjoy it, because drinking coffee gives them palpitations, insomnia, stomach pain, and other adverse reactions. So is there a low-caffeine coffee option? How low can its caffeine content be? First, let's understand what caffeine is. Caffeine is a plant [more…]

To enjoy a low-caffeine pour-over bean with good aroma, the key is not to chase the roast date and open the bag right away, but to let the gases inside the bean escape gradually. If you brew too early, the bed of grounds is easily lifted by the gas, and the water flows through unevenly; wait until the right stage, and the floral and fruity notes, sweetness, and aftertaste will come through more cohesively. It should be noted that resting changes the extraction performance, [more…]