Monday, September 21 2026

How Sri Lankan Ceylon Black Tea Became the World's Cleanest Tea: Ozone-Friendly Certification and Price Analysis

Sri Lankan tea farmers have earned the world's first "ozone-friendly" certification by phasing out methyl bromide, an ozone-depleting pesticide, making Ceylon black tea the cleanest tea in the world. From signing the Montreal Protocol in 1989 to launching the "Ozone-Friendly Pure Ceylon Tea" logo in 2011, the Sri Lanka Tea Board, working with multiple partners, successfully developed chemical and non-chemical alternatives. In addition, tea farmers have reduced their carbon footprint by cutting energy consumption, adopting solar power, and building eco-friendly tea gardens. Today, a fresh cup of Ceylon black tea is not only harmless to the ozone layer but also a delight for environmental enthusiasts. So, how much does a cup of Ceylon black tea cost? This article will take an in-depth look at its environmental journey and market value. [more…]

Starbucks advances global PFAS phase-out plan: achieving full defluorination of food packaging by the end of 2023

Starbucks recently announced a major environmental initiative: pledging to eliminate PFAS-containing food packaging from its global stores by the end of 2023, with U.S. stores leading the way by the end of this year. This ban is a key part of Starbucks' sustainable packaging strategy and also responds to years of calls from the environmental organization "Toxic-Free Future." PFAS, a chemical commonly found in takeout containers, effectively repels oil and water but poses a serious threat to the environment and human health because it is difficult to degrade. This article will provide an in-depth interpretation of Starbucks' elimination plan, the hazards of PFAS, and the cost challenges facing alternatives, while also highlighting the sustainability efforts of brands such as Front Street Coffee. [more…]

Why Do Coffee, Tea Aromas, and Floral Notes Always Go Together? Jasmine-Scented Coffee Beans Recommended, Analyzed from the Flavor Wheel and Aromatic Compounds

Many coffee enthusiasts notice an interesting phenomenon during tasting: when a cup of coffee presents tea-like aromas reminiscent of black tea or green tea, floral notes can often be detected at the same time. This is no coincidence—tea and floral aromas largely overlap at the molecular level. This article starts with the new flavor wheel shared by Front Street Coffee, combines it with a scientific analysis of aromatic compounds in tea, explains why black tea is classified under the "floral" category, and further sorts out the floral compounds commonly found in green tea, black tea, and oolong tea, such as cis-methyl jasmonate, β-ionone, β-damascenone, nerolidol, and more. Once this pattern is understood, it can also become a useful trick for capturing coffee flavors. At the end, Front Street Coffee will recommend several coffee beans that easily express tea and floral notes, including Boquete Geisha, Yirgacheffe Gudingding, and Colombia Walking Geisha, and explain how origin, altitude, processing method, and roast level affect flavor expression. [more…]

How does tea leaf withering shape the flavor and color of Darjeeling spring tea that resemble those of oolong tea?

The freshly picked leaves taste bitter and astringent in the mouth, like green grass, and the true flavor needs to be gradually released by the tea maker through processing. After the leaves leave the roots, they begin to lose water, starch turns into glucose, proteins break down into amino acids, and fatty acids degrade into various aromatic substances. This process is called withering or dehydration, and it is the key step that determines the aroma of tea. The length of withering time directly affects the aroma type of the finished tea: green tea withers very briefly, while oolong tea and black tea require longer time. Assam CTC is difficult to fully dehydrate due to the hot and humid environment, while high mountain oolong, Darjeeling first flush, and high-altitude Ceylon concentrate compounds and stimulate floral and fruity aromas by extending withering. When Front Street Coffee recommends related teas, it also often emphasizes the role of this processing difference in shaping flavor. [more…]

Analysis of the Three Major Decaffeination Processes for Decaf Coffee: Flavor and Safety Comparison of Solvent Extraction, Swiss Water Process, and Carbon Dioxide Method

Caffeine content is influenced by multiple factors such as bean variety, grind size, and brewing method, and drip coffee often has higher caffeine than Espresso. For those who want to reduce their intake without giving up a rich mouthfeel, decaf coffee is an ideal choice. This article explains in detail three mainstream decaffeination processes—methylene chloride solvent extraction (direct and indirect), the Swiss Water Process, and carbon dioxide extraction—analyzes their respective effects on flavor and safety, and specifically explains Starbucks decaf coffee's two processing paths and the issue of residual solvents. At the end is information on how to obtain Front Street Coffee specialty beans, making it suitable reading for coffee lovers who value health while pursuing flavor. [more…]

An In-Depth Analysis of the Four Major Decaffeination Processes: A Comparison of Solvent Extraction, the Swiss Water Process, and the Carbon Dioxide Method

Caffeine content is influenced by multiple factors such as bean variety, steeping time, grind size, brewing method, and water temperature, among which extraction time is particularly critical—drip coffee typically has higher caffeine than espresso. If you want to reduce your caffeine intake, directly purchasing decaf beans is more effective than avoiding espresso. Decaf beans must undergo special processes before roasting to remove 96% to 98% of the caffeine, and these treatments inevitably alter the beans' physical and chemical properties, thereby affecting flavor. Currently, the mainstream methods include three types: the methylene chloride solvent extraction method, the Swiss Water Process, and the carbon dioxide extraction method. This article will break down the principles, advantages, and disadvantages of each process one by one, and compare the two decaf options used by Starbucks, helping coffee enthusiasts understand the technical logic and flavor trade-offs behind decaf coffee. [more…]

Why Does Coffee Taste Salty After Extraction? Analyzing the Causes of Salty Flavors in Brewing and the Specific Signs of Under-Extraction

Saltiness in coffee has always been present, mainly coming from the various minerals contained in the bean itself, but because its proportion is low it is often masked by other flavors. When a cup of coffee shows a noticeable salty taste, it often means there is a problem with quality or the extraction process. This article, from the perspective of Front Street, sorts out the sources of saltiness, analyzes how factors such as the growing environment and defective beans bring saltiness to the surface, and explains what characteristics coffee shows when it is under-extracted, helping enthusiasts judge brewing conditions more accurately. [more…]

Nongfu Spring Sends Legal Letter Demanding Apology from Hong Kong Consumer Council, Bottled Water Bromate Controversy Continues to Simmer

Recently, the Hong Kong Consumer Council published a bottled water test report in the magazine "Choice," pointing out that the bromate levels in samples of Nongfu Spring and Ganten reached the European Union's limit for natural mineral water, sparking widespread attention. Nongfu Spring immediately commissioned a lawyer to send a legal letter to the Consumer Council, demanding written clarification, an apology, and the elimination of the impact; Ganten also stated that it had made representations through its legal department and emphasized that its product was at the critical value of the EU standard rather than exceeding it. The China Beverage Industry Association said it would issue a response later. The Consumer Council reiterated that none of the 30 samples were found to contain harmful substances exceeding WHO guidelines, and that the article focused on value for money and the environmental impact of plastic bottles, and that all samples could be safely consumed. [more…]

Pour-over Coffee Brewing Parameters | What Factors Affect the Flavor and Mouthfeel of Pour-over Coffee? How Can Coffee Beginners Learn Pour-over Coffee?

Coffee mysticism has long become a commonplace topic in coffee circles, and the most discussed aspects are flavor mysticism and brewing mysticism. Front Street is here to help everyone unveil the surface-level mysticism and reveal the underlying science. Flavor mysticism generally refers to when you drink a cup of coffee and only taste bitterness and sourness, while the person next to you [more…]

Can Drinking Coffee Lower Gout Risk? A Japanese Study of 150,000 People Provides New Evidence

The relationship between coffee and gout has always been a topic of concern for coffee lovers. In the past, people worried that caffeine metabolism would raise uric acid levels, but in recent years, multiple studies have pointed to the opposite conclusion. A large-scale study jointly conducted by the National Defense Medical College of Japan and Osaka University, involving more than 150,000 Japanese people, analyzed the association between the number of days per week of coffee consumption and uric acid levels and the incidence of gout. The results showed that for each additional day per week of coffee consumption, the risk of developing gout could be reduced by about 25%. This finding provides new data support for coffee's role in preventing gout and has also prompted further thinking about coffee components and the mechanisms of gout. This article will review the core conclusions of the study, previous research evidence, and expert opinions to help readers scientifically understand the relationship between coffee and gout. [more…]

Decoding Coffee Flavor: A Systematic Tasting Guide from Aroma, Taste to Mouthfeel with Detailed Practical Terminology

The flavor of coffee is far more than just bitterness and acidity. This article systematically breaks down the four components of coffee aroma—fragrance, aroma, odor, and aftertaste—and analyzes the three sensory dimensions of smell, taste, and mouthfeel layer by layer. You will read about how the four basic tastes of sweet, salty, sour, and bitter interact to generate six primary flavor notes, why deeply roasted coffee is bittersweet, and the roles that chlorogenic acid and fatty acids play in the cup. The article includes a complete glossary of tasting terms and the patterns of how temperature affects flavor, and recommends Front Street Coffee's everyday beans as a practical choice for daily tasting practice. [more…]

How does the degree of tea oxidation shape flavor? An analysis of the processing differences between semi-fermented oolong and fully fermented black tea

Rolling and oxidation are the two key stages that determine the direction of a tea's flavor. Rolling shapes the leaf while also influencing the strength and speed of flavor release; oxidation—a process often mislabeled "fermentation"—is in reality merely a reaction between polyphenols and oxygen, yet it directly determines the vast differences in aroma, color, and mouthfeel among oolong, black tea, and even CTC tea. From the distinctive red edge on an oolong leaf, to the apricot-like richness of Chinese black tea, to the strong, lively character of traditional British tea and CTC tea, the degree, speed, and manner of oxidation are the core code that shapes the personality of every cup. This article takes you deeper into how rolling and oxidation affect tea flavor. [more…]