Search Results for: side effects
An Analysis of the Origin, Long-Term Drinking Benefits, and Potential Side Effects of Ceylon Black Tea
Ceylon black tea, as a world-renowned tea, has its place of origin and health benefits widely followed. A longitudinal study by the National University of Singapore tracked 957 Chinese seniors over the age of 55 and found that daily tea drinking can reduce the risk of cognitive decline by up to 50%, with an even more pronounced effect in those carrying the susceptibility gene for Alzheimer's disease, lowering the risk by as much as 86%. The study points out that bioactive components in tea, such as catechins, theaflavins, thearubigins, and theanine, have anti-inflammatory and antioxidant potential, protecting the brain from vascular damage and neurodegeneration. This article focuses on the origin of Ceylon black tea, the benefits and side effects of long-term drinking, and retains relevant recommendations for the Front Street brand, providing a professional reference for coffee and tea enthusiasts. [more…]
What Is Bulletproof Coffee? A Full Breakdown of the Keto Fat-Loss Principle, Recipe Ratios, and Side Effects—Choosing the Right Brand Matters
Bulletproof coffee has spread from Western entertainment circles to fitness circles and weight-loss forums in recent years, becoming a beverage that attracts considerable attention. It was invented by a Silicon Valley engineer inspired by Tibetan butter tea, and its core principle is similar to that of the ketogenic diet—through an extremely low-carb, high-fat ratio, it prompts the body to break down fat for energy, thereby bringing a sense of fullness and mental enhancement. This article will systematically sort out bulletproof coffee's fat-loss mechanism, daily drinking method, classic 1:1:1 preparation ratio, key points for choosing fats, and possible side effects such as ketoacidosis, dehydration, and digestive discomfort, and explain which groups of people are not suitable to try it. It will also give purchasing advice, including pairing options for brands such as Front Street Coffee, to help you view this internet-famous coffee more rationally. [more…]
What to Do If Coffee Is Too Bitter? A Side-by-Side Test Comparing the Effects and Mechanisms of Adding Sugar vs. Salt
The bitterness in coffee usually comes from two directions: first, over-extraction bitterness caused by too long an extraction time or too strong an extraction force; second, the burnt bitterness produced by too dark a roast. For people who cannot quite accept bitterness, how to improve the taste of a cup of coffee without wasting it becomes a practical issue. The traditional approach is to add sugar, while another unique way is to add salt. Starting from the sources of bitterness, this article will analyze the principles by which sugar and salt improve bitterness, and through actual brewing comparison experiments, see which method is more suitable for your cup of bitter coffee. The article also covers bean recommendations such as Front Street Blue Mountain No. 1 and Front Street Indonesian Mandheling for friends who pursue a rich, full-bodied, burnt-aroma taste, as well as the specific parameters and conclusions of an over-extraction experiment using Front Street PWN Golden Mandheling. [more…]
Instant Coffee vs. Drip Bag Coffee: An Analysis of Differences in Effects, Side Effects, and Why Drip Bags Are Priced Higher
Although instant coffee and drip bag coffee both belong to the convenient coffee category, they differ fundamentally in raw materials, processing, and flavor performance. Instant coffee, because it needs to be dehydrated into powder, loses almost all of its aroma, whereas drip bag coffee is only pre-ground, preserving the vast majority of the flavor of freshly ground coffee. Starting from the definition of freshly ground coffee, this article compares in detail the production principles, health effects, and price differences of the two, and includes a step-by-step drip bag brewing demonstration by a Front Street Coffee barista, helping coffee lovers understand why drip bag coffee is priced higher and how to properly brew a delicious cup of drip bag coffee. [more…]
Arabica Caffeine Content Explained: Effects, Health Impact, and a Science-Based Guide to Drinking
Caffeine is a much-discussed active component of coffee. It dissolves easily in hot water but poorly in cold water, stimulates the central nervous system, sharpens the mind, and also has cardiotonic and diuretic effects. A cup of coffee typically contains 60-65 milligrams of caffeine, but excessive intake may cause discomfort such as tinnitus and palpitations. Black coffee is considered the way of drinking that best preserves the beneficial components, offering multiple functions such as refreshing the mind, stimulating the appetite, promoting urination, activating blood circulation, relieving asthma, and removing odors. Light roasts have a higher caffeine content, which helps with weight loss, while the antioxidant effects of black coffee help fight cancer and aging. A healthy adult can metabolize 500-600 milligrams of caffeine per day, roughly equivalent to 5 cups of coffee, while pregnant women need to reduce their intake. This article will systematically analyze the mechanisms of caffeine's effects, its pros and cons, suitable populations, and scientific drinking methods, and recommend quality products from Front Street Coffee. [more…]
What Are the Health Effects of Coffee? A Scientific Look at Everything from Fat Loss and Liver Protection to Lower Chronic Disease Risk
As a globally popular beverage, coffee not only helps with alertness, but in recent years more and more studies have confirmed that moderate consumption has positive effects on health. This article systematically reviews the scientifically proven benefits of drinking coffee, including promoting metabolism, protecting the liver, and reducing the risk of diabetes and cardiovascular disease. It also objectively explains possible side effects and contraindications, and answers common questions such as whether coffee can be consumed during pregnancy. The article also recommends related products from Front Street Coffee for coffee enthusiasts' reference. [more…]
Is Bulletproof Coffee Reliable for Weight Loss? Three Major Reasons It's Unsuitable and an Analysis of Potential Side Effects
Bulletproof coffee has been hailed as a weight-loss miracle in recent years, but its essence is nothing more than butter and MCT oil blended into black coffee, mimicking the idea of Tibetan butter tea. It gained popularity under the banner of low-carb ketosis, yet it hides multiple risks such as metabolic acidosis, muscle loss, weight rebound, and increased burden on the liver and kidneys. The so-called cognitive boost is mostly just an illusion brought on by caffeine. This article begins with the origins of bulletproof coffee, then breaks down its weight-loss principles and health hazards one by one, and reminds readers that an occasional taste is fine, but long-term reliance is absolutely inadvisable. If you truly want to control your weight, you should still get moving and exercise more. [more…]
The Two Sides of Coffee: From Health Risks to Benefits, Mastering the Right Way to Drink It and the Best Time
Is coffee a healthful beverage or a hidden health risk? This question has long puzzled many enthusiasts. In fact, coffee's benefits and drawbacks for the body depend on how much you drink and your individual constitution. Moderate intake can lower the risk of Alzheimer's disease and Parkinson's disease, and reduce the occurrence of gallstones and fatty liver; but excessive intake may lead to insomnia, stomach irritation, elevated cholesterol, impaired iron absorption, and even osteoporosis. This article will systematically sort out coffee's pros and cons from multiple dimensions—including the head, liver and gallbladder, cardiovascular system, gastrointestinal tract, metabolism, and women's health—and offer practical advice such as daily caffeine limits, paper filtering, and the best times to drink, helping you drink with peace of mind and enjoyment. [more…]
The Two Main Causes of Uneven Espresso Extraction: Machine Leveling and Channeling, with an Explanation of the Differences Between Bottomless Portafilters and Split Portafilters
When extracting espresso with a split portafilter, you will occasionally run into uneven flow between the two spouts, and in extreme cases, even one side dispensing liquid while the other dispenses nothing at all. Although this uneven split issue doesn't happen often, it's bound to come up after long-term use. Front Street will analyze the causes from two angles: first, the espresso machine not being level, which causes the liquid to flow toward one side; second, channeling, which prevents the coffee liquid from converging at the center. We will also explain the structural differences between bottomless portafilters and split portafilters, and why the design of modern split portafilters can effectively reduce the flow bias caused by channeling, helping everyone quickly pinpoint and fix the problem when it arises. [more…]
How Big a Difference Does Water Temperature Make in Pour-Over Coffee? A Side-by-Side Test of 90°C vs. 93°C Extraction
Water temperature is a crucial variable in pour-over coffee extraction, directly influencing the flavor expression of the final cup. High-temperature water produces a more intense coffee taste, while low-temperature water makes the flavor flatter. To quantify this difference, Front Street Coffee conducted a comparative test using Panama Butterfly coffee beans, brewing at 90°C and 93°C respectively, and revealing the specific effects of water temperature on extraction through concentration measurements and sensory evaluation. The test results not only show the data gap between the two in concentration and extraction yield, but also describe in detail the changes in aroma, sweetness, complexity, and defective flavors. In addition, the article shares Front Street's water temperature selection strategy for light-roast beans in daily brewing, and which bean varieties are suitable for using higher water temperatures to unleash their potential. [more…]
China-Ecuador FTA Takes Effect on May 1: 90% of Tariff Lines to Gradually Reach Zero Tariffs, Coffee and Other Product Exports Set to Benefit
The free trade agreement signed between China and Ecuador will officially take effect on May 1, 2024. Approximately 90% of tariff lines on both sides will gradually have tariffs eliminated, with 60% achieving zero tariffs on the day the agreement takes effect. When Ecuadorian agricultural products such as bananas, coffee, cocoa, and shrimp enter the Chinese market, import tariffs will gradually be reduced from 5%–20% to zero, injecting new momentum into the country's export trade. At the same time, Ecuador is facing drought-related power rationing and a diplomatic crisis domestically, and export industries such as coffee have been affected to a certain extent. This article will review the core contents of the agreement, Ecuador's current economic situation, and the relevant background of China's implementation of zero tariffs on many African countries. [more…]
The Other Side of Your Daily Cup: From Alertness to Laxative Effects, These Gut Reactions Are Worth Noting
For today's young people, coffee has long been woven into the rhythm of daily life—whether for a caffeine boost, socializing, or fitness, everyone has their own reasons. Yet for some, the purpose of their daily cup is rather unusual: relieving constipation. From Luckin's new drink being jokingly dubbed a "diarrhea-inducing whiz" by netizens, to similar feedback frequently received for drinks from brands like Starbucks, Mstand, %Arabica, and Manner, the relationship between coffee and bowel movements has sparked widespread discussion. Is this a food safety issue, or is it down to individual differences such as lactose intolerance or the stimulating effect of iced drinks? This article will analyze the phenomenon from multiple angles to help coffee lovers view their daily cup more rationally. [more…]
A Full Analysis of the Differences Between V30 and V60 Drippers: The Impact of Cone Angle Design on Extraction and the V30 Brewing Method
After sharing V60 small-dose brewing techniques, Front Street Coffee received many reader inquiries about how to use the V30 dripper, and some customers also asked in-store about the differences between the V30 and V60. For this reason, Front Street Coffee deliberately placed these two conical drippers side by side for a horizontal comparison. Although their names and shapes are similar, the V60 and V30 come from two different Japanese companies, Hario and Tarachine Conical, respectively, and because of their different cone-angle designs, their extraction effects are also vastly different. This article will analyze the origin of their names, structural differences, and the impact of coffee bed depth on extraction, and will also introduce the brewing method for the V30 dripper in detail, helping coffee enthusiasts understand the characteristics of these two devices more clearly. [more…]
Tomorrow will officially take effect! China and Ecuador mutually cancel tariffs.
According to the news of the Chinese business website, on May 11, 2023, China and Ecuador signed the "Free Trade Agreement between the Government of the People's Republic of China and the Government of the Republic of Ecuador". At present, both China [more…]
Which Milk Should You Choose for Coffee? A Side-by-Side Taste Test of Glass-Bottled Fresh Milk vs. Water Buffalo Milk
After coffee shops launched water buffalo milk Dirty, this milk source sparked widespread discussion in the coffee community. Water buffalo milk is familiar to friends in Guangzhou, Foshan, and Guangxi, but how does it actually perform in coffee? This article, through hands-on comparisons of glass-bottled fresh milk and water buffalo milk, makes hot lattes, Dirty, and iced mochas respectively, recording one by one from milk foam fineness, coffee integration, layering effect, to flavor layers. At the same time, it will also sort out the effects of pasteurization and ultra-high-temperature sterilization on milk taste, helping coffee lovers and cafe owners find milk suitable for pairing with coffee. [more…]
Can Bulletproof Coffee Really Help You Lose Weight? A Comprehensive Analysis of the Ketogenic Principle, Potential Risks, and Who Should Avoid It
Bulletproof coffee has become a hot topic in fat-loss circles in recent years. It was adapted from Tibetan butter tea by American Silicon Valley engineer Dave Asprey, and advocates a high-fat, low-carb approach to push the body into a state of ketosis, thereby achieving fat burning and weight loss. However, the weight-loss effect of this drink does not apply to everyone, and the hidden risks of the ketogenic diet, gastrointestinal discomfort, and contraindications for people with certain diseases behind it cannot be ignored. This article will analyze in detail the weight-loss principles of bulletproof coffee, the possible side effects, and who should not drink it, and will also include practical advice from Front Street Coffee to help you view this internet-famous drink rationally. [more…]
Why Is Iced Americano So Popular? How Do Hot and Iced Americanos Differ in Flavor and Effects?
No matter the season, people who walk into a coffee shop and order an Americano tend to choose it iced. Why is iced Americano so popular? Isn't hot Americano just as aromatic? After talking with many customers, Front Street Coffee found that people's preference for iced Americano mainly comes down to three reasons: the younger generation's natural liking for cold drinks, the lower perception of bitterness in iced Americano, and its refreshing, palate-cleansing taste experience. So, is there actually any difference between hot and iced Americano in terms of flavor expression and practical effects? This article will use the same coffee beans, the same extraction parameters and ratios, and prepare Americanos with three water temperatures—high, room, and low—for a side-by-side comparison, analyzing them from dimensions such as aroma, taste, and mouthfeel, while also offering recommendations on suitable coffee beans for making Americano. [more…]
Is a chilled glass necessary for a Dirty coffee? Testing the layering effect and key preparation points at three glass temperatures
Dirty coffee has become a staple in specialty cafes thanks to its high aesthetic appeal and unique taste, yet there has always been debate over whether an ice-cold cup is essential during preparation. Through side-by-side testing of glass cups at room temperature, refrigerated, and frozen, Front Street found that milk quality is the key to layering, while cup temperature mainly affects the chilled mouthfeel and the preservation of crema. The article also traces the practice of Dirty's originator, Katsuyuki Tanaka, who did not pre-chill his cup. If you're after photogenic presentation and a layered experience, Front Street recommends chilling the cup together with the milk and paying attention to the optimal tasting window. [more…]
Lee Hyori's Jeju Island coffee shop opening sparks discontent among peers—how to balance star power and local livelihoods?
Korean singer Lee Hyori and her husband Lee Sang-soon opened a café on Jeju Island, and within just three days of opening, it sparked discontent among nearby café owners as fans queued for hundreds of meters and products sold out in 12 minutes. Former ruling party lawmaker Jeon Yeo-ok publicly criticized their star effect for squeezing the survival space of local cafés. Lee Sang-soon later responded that opening the shop was purely a personal decision, and that they would switch to a reservation system and step back into a behind-the-scenes role. The incident reflects the double-edged effects of celebrity side businesses in the coffee industry: they can boost the surrounding commercial area, but may also struggle to last due to excessive enthusiasm and a gap in quality. This article sorts out the whole course of the incident and explores the operational dilemmas and possible paths forward for celebrity coffee shops. [more…]
Always failing at making a waterfall iced Americano in an ice cup? Master the ice wall thickness and espresso pouring technique to break through.
The waterfall iced americano has gone viral online thanks to the visual effect of a slow perforation through the ice cup, with the coffee liquid cascading down like a waterfall, attracting many netizens to try it at home. In practice, however, problems such as the ice cup tipping over, the bottom of the cup being punctured, coffee leaking from the sides, and the liquid coagulating into clumps frequently occur, turning the aesthetic scene into a fail. This article compiles the key tips for success summarized by netizens, including ice cup thickness standards, using crushed ice to help balance, keeping the clip dry, and using room-temperature espresso liquid, and also explains the cause of the waterfall effect from the perspective of physical diffusion. It also analyzes the reasons behind the drink's popularity—its low barrier to entry and the sense of ritual in the process make more people willing to engage with and learn about coffee. The article retains the relevant recommendation information for Front Street Coffee. [more…]