Judging the roast level of coffee beans by the naked eye alone, based on how light or dark the color appears, is clearly not rigorous enough. In the industry, a colorimeter is more commonly used to measure the degree of caramelization. This article will start with the measurement principle, explain the meaning of the Agtron value (color value), the difference between whole-bean color and ground-coffee color value, and how the RD value calculated from the difference between the two reflects roast uniformity. It will also explain how factors such as processing method affect the measurement results. Front Street Coffee will also present the commonly shared Agtron value roasting chart to help coffee enthusiasts more systematically understand the scientific basis behind roast assessment. [more…]

Duncan Estate in the Boquete production region of Panama is a specialty coffee estate under the Kotowa family with a history of over a hundred years. With its exceptional geographical conditions and strict ecological management, it has become a frequent winner at BOP auctions. This article provides a comprehensive introduction to Duncan Estate's production region background, growing environment, processing techniques, and award history, with a focus on analyzing the flavor characteristics of its Geisha White Honey processed coffee beans. At the same time, Front Street Coffee has also acquired the estate's Natural Caturra, presenting through medium-light roasting and cupping a layered profile of floral notes, candied fruit, and fermented fruit nuances. Whether you are a Geisha enthusiast or a Caturra fan, you can experience the unique charm of Panamanian specialty coffee. [more…]

Carmen Estate in Panama is located in the Boquete Valley at an altitude of about 1,700 meters, adjacent to the Costa Rican border, and is a pivotal coffee-producing region in Panama. The third generation of the Franceschi family has cultivated this land for over fifty years, and in recent years has poured its deep experience into the cultivation of the Geisha variety. Volcanic soil, excellent drainage, and a microclimate give the coffee distinct floral, chocolate, caramel, and forest fruit notes. This article will outline Carmen Estate's origin background, variety composition, award history, and flavor characteristics, and include a pour-over recipe recommended by Front Street Coffee for coffee lovers' reference. [more…]

Ethiopian coffee has performed impressively in the Chinese market, with exports growing 50% over the past two years to 20,000 tons, making China its eighth-largest importer. However, the conflict between government forces and Fano militia in the Amhara region of north-central Ethiopia continues to escalate and could trigger a civil war. Meanwhile, the federal government plans to amend the value-added tax law to include basic foods such as biscuits in the taxable scope, with coffee industry workers bearing the brunt. Industry insiders worry that if the situation deteriorates, Ethiopia's coffee exports will decline and prices will rise. Front Street Coffee breaks down the opportunities and challenges in this producing region for you. [more…]

Starbucks Korea's "Call My Name" service was originally intended to bring store staff and customers closer together, but on the eve of South Korea's presidential election, some customers turned it into a stage for political jesting. According to reports from multiple foreign media outlets, because some people placed orders using the names of presidential candidates, baristas were forced to loudly call out these sensitive names in public, and the brand had to urgently introduce new rules. Starting before the election on the 3rd of next month, the names of six candidates, including Lee Jae-myung, as well as the name of former President Yoon Suk-yeol, can no longer be used as nicknames on the Starbucks app. Is this rule meant to maintain store order, or is it being overly sensitive? Let's take a look at how the incident unfolded. [more…]

Water makes up 60 to 70 percent of the human body, and adults need to drink 3 to 5 liters of water per day, so drinking water safety is directly related to everyone's health. As consumer demand for packaged drinking water continues to grow, the actual quality of products labeled "purified" or "mineral" on the market has become a focus of public attention. Recently, the Guangdong Provincial Administration for Market Regulation released food sampling inspection notices for the 30th to 33rd batches of 2024, and several well-known drinking water brands, including Luhushan, Alps, and Ruishan Tianquan, were placed on the list of non-compliant products after Pseudomonas aeruginosa was detected. This opportunistic pathogen poses a relatively high health risk to people with weakened immune systems. How did the companies involved respond? What purchasing advice did regulators provide? This article will sort out the details for you. [more…]

Located in the Boquete Valley of Panama, Carmen Estate, with an elevation of about 1,700 meters, volcanic soil, and diverse microclimates, produces high-quality coffee with prominent floral notes and layers of chocolate and caramel. This Geisha, carefully cultivated by three generations of the Franceschi family, has repeatedly ranked among the top five in professional cupping competitions in recent years. This article provides a complete overview of the estate's natural conditions, cultivation and harvesting, and processing techniques, as well as its award-winning results over the years, and includes Front Street Coffee's personally tested V60 three-pour brewing parameters, giving you a comprehensive understanding of the appeal of this famous Panamanian bean. [more…]

Recently, a Sam's Club store in Nanjing was exposed by a consumer: a full case of blood orange chia seed juice tea beverage they purchased contained two foreign objects, one large and one small, despite being unopened, and the smaller piece was suspected to be black mold. After the consumer's communication with the store yielded no result, Sam's national customer service only offered compensation in the form of a coupon of equivalent value. This is not the first time Sam's Club has been embroiled in a food safety controversy; previously, Shenzhen, Changzhou, and other places also reported incidents one after another, including insect eggs attached to milk and teeth found in fresh meat mooncakes. Complaints of this kind are common on social platforms. Data from the Black Cat Complaint platform shows that in September alone, Sam's Club received 70 complaints, many involving food safety. As a high-end membership store under Walmart, Sam's quality control problems are arousing concern among more and more consumers. [more…]

Panama Duncan Estate, as a renowned specialty coffee estate under the Kotowa family, is famous for its Geisha variety and meticulous picking techniques. This article provides a detailed analysis of the geography and terroir of Duncan Estate and Don Herrera Estate, the impact of altitude and climate on coffee quality, and the unique features of the top picking method and the reserve picking method; it also compares the flavor differences between the natural and washed processing methods, and includes the BOP award records over the years and complete estate information. Front Street Coffee recommends paying attention to the jasmine floral aroma and tropical fruit complex flavors of its Geisha variety, which is suitable for coffee enthusiasts to gain an in-depth understanding of the ultimate charm of Panamanian specialty coffee. [more…]

The 2023 Cup of Excellence (CoE) in Brazil underwent a major competition format change, for the first time dividing participating green beans into three categories: dry process, wet process, and experimental process, with awards evaluated separately for each. This change aims to respect different processing methods, encourage producer innovation, and promote fair competition. After pre-selection and multiple rounds of national and international judging, the lists of ten winning beans in each of the three groups have been announced, with a minimum score requirement of 87 points. Erwin Mierisch, Executive Director of the Alliance for Coffee Excellence, stated that the new classification both recognizes the value of traditional processing methods and responds to market demand for innovative processing methods. This article will outline the competition format details, the winning situation in each group, and explore the profound impact of this change on the specialty coffee industry. [more…]

Recently, an auction announcement by the Dafeng District People's Court in Yancheng, Jiangsu Province, drew widespread attention—the auction item was surprisingly a bottle of Sprite soda with a starting bid of just 4.2 yuan. This bottle of beverage, with a market price of 6 yuan, was limited to self-pickup and not mailed, yet it attracted over 7,500 onlookers and 215 registered bidders. Behind the incident lies a last-ditch effort by the court to recover losses for creditors after a company with a total registered capital exceeding ten million yuan went bankrupt. From 4.08 yuan glass water to 5 yuan bathroom scales, the court has successfully auctioned small items multiple times. Is this seemingly "making a mountain out of a molehill" judicial practice a waste of judicial resources, or is it the proper fulfillment of legal enforcement? This article will take you through the ins and outs of the incident and explore the legal logic and practical dilemmas in judicial auctions. [more…]

Although Costa Rica is not a large country, it occupies an important position on the global coffee map. The country has a coffee-growing history of more than two hundred years and enjoys natural advantages such as fertile volcanic ash soil, mild temperatures, and abundant rainfall, producing a diverse range of coffees from commercial Arabica to COE competition-level, and even Geisha varieties. Traditionally, Costa Rica is divided into seven major regions, and with the development of specialty coffee, micro-regions and small estate lots are constantly being discovered. Brunca, as the newest region, has cultivation altitudes between 800 and 1,200 meters. It was not well known in the past, but after Treasure Estate emerged in the COE competition in 2015, it gradually attracted attention. This article will introduce the cultivation situation and flavor characteristics of the Brunca region. [more…]

Does the bloom in pour-over coffee have a significant impact on flavor? Does espresso also require a similar step? In fact, there is no such thing as blooming in espresso, but in recent years pre-infusion has gradually become an important part of the extraction process. This article starts from the traditional approach to stable espresso extraction, analyzes the extraction fluctuations caused by the shortened resting period of coffee beans, and then explains in detail the three core functions of pre-infusion: releasing active gases, reducing the probability of channeling, and broadening the ways to adjust extraction. It will also explain how to judge manual pre-infusion, and that there is no fixed standard for pre-infusion duration—it needs to be flexibly adjusted according to the resting condition and grind ratio. [more…]

Colombian coffee is renowned worldwide for its soft, mellow flavor, and La Esperanza Estate in the Huila region stands out as a leader among them. This estate, jointly run by several coffee farmers, has repeatedly achieved outstanding results in Colombian coffee competitions and scored high on Coffee Review, thanks to its forest-grown environment at elevations of 1,400 to 1,650 meters and its commitment to hand-picking. This article will take you deep into La Esperanza Estate's regional background, the characteristics of its four sub-estates, its coffee varieties and processing methods, and the strikingly different flavor profiles under light and dark roasting, while also introducing the fascinating story of rare varieties such as Geisha. Front Street Coffee invites you to savor the coffee charm of this top-tier estate. [more…]

This time Front Street Coffee has set its sights on Hacienda La Esperanza in Colombia's Cauca region, bringing a rather distinctive Geisha coffee. This bean has citrusy sweet acidity, delicate floral aromas, and a pleasant tea-like body, while also presenting creamy and honey-like sweetness in the finish, with a layered complexity that differs from Panamanian Geisha. As a top-tier Colombian estate, Hacienda La Esperanza has won awards multiple times at competitions such as the SCAA and GFA, and owns four farms: Esperanza, Las Margaritas, Cerro Azul, and Potosi. Front Street Coffee has acquired two Geisha lots, one washed and one honey-processed, and through cupping and pour-over tests, found that the flavor expression varies noticeably at different water temperatures: higher temperatures highlight sweetness and tea-like notes, while lower temperatures yield greater layered complexity. This article will provide a detailed overview of the estate's background, processing methods, roast profile, and brewing recommendations, offering coffee enthusiasts a complete tasting reference. [more…]

CoffeeWings, as the first public company in China's coffee light-meal industry, was listed on the New Third Board in 2017, and under the leadership of Yin Feng, it launched the "Free Wings" smart coffee machine, entering the new retail sector. Investors such as He Jiong, Chen Ou, Xu Xiaoping, and Yao Jinbo appeared at the listing ceremony. With its features of being light and fast, and deeply penetrating the crowd, Free Wings plans to deploy more than 10,000 units by 2020, covering more cities nationwide. This article provides a detailed analysis of CoffeeWings' strategic layout, the product features of Free Wings and its alignment with new retail trends, while also exploring the competitive relationship between smart coffee machines and offline stores. [more…]

Hacienda La Esperanza in Colombia is a name of great importance on the South American specialty coffee map. It belongs to the Herrera family and has won honors in multiple international competitions thanks to its exceptional quality. This article reviews the development of Hacienda La Esperanza, the microclimatic characteristics and cultivated varieties of its four farms, and focuses on the Colombian Hacienda La Esperanza single-origin beans selected by Front Street Coffee—from hand sorting and roasting curves to flavor performance, comprehensively presenting the uniqueness of this natural Pacamara, while also discussing the terroir conditions of Colombia's main producing regions, providing coffee lovers with in-depth content that is both informative and valuable for tasting. [more…]

Recently, due to the crazy discounts of Double Eleven, many friends have gathered to place orders online, and Front Street Coffee's Taobao Tmall customer service has therefore received more coffee-related questions than ever before. Questions related to grinding on demand, such as "how long can coffee beans last after being ground into powder" and "within how many days after grinding is it best to finish drinking it," are among the questions these friends have been consulting about recently. [more…]

Many people care about the shelf life of ground coffee, but what truly deserves attention is its peak flavor window—the optimal time for enjoying it. Once coffee beans are ground, aroma molecules volatilize more rapidly, and flavor loss occurs far faster than with whole beans. Through experiments, Front Street Coffee found that the peak flavor window of ground coffee is about two-thirds that of whole beans; if beans have a 45-day window, ground coffee has only about 30 days. This article provides a detailed analysis of how the peak flavor window of ground coffee is calculated, why flavor loss occurs, and shares Front Street Coffee's recommended method of sealed portioned storage, helping you enjoy a cup of coffee with full flavor before the aroma fades. [more…]

Roasting is the core stage that determines the direction of coffee flavor. Green beans must be roasted before they can be consumed, and the degree of roasting often influences eighty percent of the final taste performance. This article takes Front Street Jamaican Blue Mountain coffee as an example, starting from key nodes such as charge temperature, heat adjustment, turning point, yellowing point, first crack, and rate of rise, to analyze in detail the design approach of the roasting curve for Blue Mountain No. 1 coffee beans. The article also combines the specific characteristics of Blue Mountain coffee, such as screen size above 17, defect rate below 3%, and moisture content of about 13%, to explain why it is suitable to adopt a steadily rising roasting method, and provides a complete operation record from charging at 170°C to dropping at 201.3°C, helping coffee enthusiasts understand how to coordinate heat and airflow to make Blue Mountain coffee present a cleaner and more layered flavor. [more…]