Friends who frequently buy coffee beans will surely notice that most coffee bean names are followed by English suffixes such as AA and AB. This is especially true for Kenyan coffee beans—Kenya AA, Kenya AB, Kenya PB, Kenya AA+, Top, and so on. "So what do these suffixes mean? [more…]

Kenyan coffee is famous for its bright fruit acidity and rich flavors, making it a favorite among many coffee lovers. But when faced with grading labels such as AA, AA+, and AB, many people feel confused. From the perspective of Front Street Coffee, this article sorts out the development of Kenya's coffee industry, analyzes the origins and specific standards of its grading system, focuses on explaining the differences between AA grade and AA+ grade, and introduces the impact of the K72 washed processing method on flavor. At the end, it also includes the origin information and brewing parameters of Front Street Kenya Little Tomato coffee beans for daily reference. [more…]

Kenya's coffee grading system has long confused many enthusiasts—what exactly do the letters AA, AB, and PB stand for? Is AA TOP an additional grade marked outside the official classification? This article will systematically sort out Kenya's official green bean grading standards, explaining them one by one from dimensions such as bean screen size, shape, and hardness, while also clarifying non-official labels like TOP, PLUS, and FAQ that exporters add on their own. The article also uses a comparative brewing of two Front Street Kenyan AA beans to concretely present the actual differences between AA TOP and regular AA in terms of cleanliness, complexity, and sweet-acidity performance, helping readers make clearer judgments when purchasing. [more…]

Kenyan coffee is famous for its bright, juicy acidity, and labels such as AA, AB, and AA TOP are common in China. How exactly are these grades divided? Is there a substantial difference between AA and AA TOP? This article will start with Kenya's official grading system, analyze the criteria for grades such as AA, AB, PB, and E, and explain the meanings of secondary grading terms such as TOP, Plus, and FAQ set by exporters themselves. It will also introduce the K72 washed coffee beans from the Asali Processing Plant in the Thika region, which use SL28 and SL34 varieties, are AA grade, and are light-roasted by Front Street Coffee to present flavors of cherry tomato and smoked plum. [more…]

Kenyan coffee occupies a pivotal position in the global specialty coffee landscape, and its bright, uplifting acidity and rich layers of complexity have fascinated countless coffee lovers. Yet when confronted with the letter combinations such as AA, AB, and PB on Kenyan coffee bean labels, many people are not clear about what they actually mean. In fact, these designations originate from Kenya's official coffee grading system, which takes into account multiple factors such as bean size, shape, and hardness. This article will systematically sort out Kenya's complete coffee grading system, explain the specific standards for each grade, and clarify the difference between the secondary grading set by green bean traders themselves and the official grades. At the same time, Front Street Coffee will also draw on its own sourcing experience to share the roasting and brewing approach for an AA-grade Kenyan bean from the Asaliya processing station. [more…]

Kenya AA is globally recognized as one of the top Arabica coffees, holding an important place in the specialty coffee world. Among these, "AA" represents the grade based on green bean size, appearance, and density. Kenyan coffee is classified into 7 grades according to this standard, with AA being the highest level, meaning the largest beans and the richest oil content, capable of releasing Kenya's distinctive intense aroma. Most Kenya AA is washed-processed, presenting a refreshingly sweet fruit profile, accompanied by blackberry notes, bright and complex fruit acidity, and grapefruit aroma, while the mouthfeel has an excellent medium body, crisp and refreshing. Front Street Coffee recommends this bean as the top choice for exploring African specialty coffee. [more…]

The results of the 2017 Taste of Harvest (TOH) East Africa competition's Kenya division have been announced. Fram Farm from the Kirinyaga production area took first place with a score of 85.3. This AA-grade auction lot was secured by Qingdao Fisher Coffee, making it another African TOH champion bean following Ethiopia's Gesha and Uganda's entries. Fram is a family-run private farm with its own washing station, and its main varieties are SL28 and SL34. This article will explore multiple angles including the farm's background, the development history of Kenyan coffee, the grading system, and the K72 washing process, along with Front Street Coffee's brewing recommendations and a flavor description of Kenyan small tomato beans, taking you through the full story behind this champion bean. [more…]

Kenyan coffee is renowned worldwide for its bright acidity and intense fruity aromas, and AA grade is the most sought-after representative among them. But what exactly does AA mean? How does it differ from other grades? This article, from the perspective of Front Street Coffee, systematically reviews the varietal origins, breeding mechanisms, grading standards, the K72 washing process, and the terroir characteristics of core producing regions such as Nyeri, Kirinyaga, and Murang'a, helping you fully understand the value system of Kenyan specialty coffee. [more…]

Kenyan coffee is renowned worldwide for its bright, intense fruit acidity and full, robust body, while its grading system—AA, AB, PB, and so on—often leaves enthusiasts confused. What exactly is the difference between AA and AA TOP? Does the grading standard look only at bean size, or does it also take cup profile into account? This article sorts through Kenya's coffee history, growing conditions, variety selection, regional characteristics, grading system, and auction trading model one by one, and combines tasting examples from several Kenyan beans at Front Street Coffee to help readers clarify the real difference between AA and AA TOP. [more…]

Previously, we talked about the coffee grading in Ethiopia. Today, let's take a look at what the coffee grading in Kenya is like! After all, when we see Kenyan coffee, we will see things like AA and AB. What exactly do these refer to? What is AA TOP? [more…]

Kenyan coffee is famous for its clean and refreshing, solid and bright juice-like acidity, but what exactly do the commonly seen "AA," "AB," and even "AA TOP" in China represent? This article starts with Kenya's official coffee bean grading system, sorting out the size, shape, and quality differences among the eight grades AA, AB, PB, E, C, TT, T, and MH/ML, and explains that secondary grading labels such as TOP, Plus, and FAQ, which are independently set by exporters, are for reference only. It then focuses on the Thika producing region, introducing its geographical location, cultivation history, and variety structure mainly consisting of SL28 and SL34, and combines the cupping performance, light roast approach, and iced pour-over parameters of Front Street Coffee's Kenya Cherry AA-grade washed beans to present the cherry tomato, smoked plum, and snow pear-like acidity and honey sweetness of this producing region. [more…]

In East African coffee-producing countries, coffee bean names from Tanzania, Uganda, and even Kenya often carry the suffix AA. What exactly does this letter combination mean? It represents the grade classification of green coffee beans. However, grading methods across global coffee origins are not limited to just one type; besides bean size, there are also different standards based on defect rate, growing altitude, and more. This article will take Front Street's perspective to systematically outline the three major green coffee bean grading systems, with a focus on analyzing Kenya's strict size-based grading system—from AA, AB to PB, E, TT, T, and even MH/ML, detailing the specific classification standards for each grade, while also pointing out the obvious limitations of judging quality by size. [more…]

When purchasing Kenyan coffee, you will often see bean names followed by letter designations such as AA or AB—what exactly do they mean? Why does Kenya place such emphasis on these grades? This article will systematically outline Kenya's green bean grading system based on bean size, explaining the specific classification criteria for each grade—AA, AB, C, PB, E, TT, T, and MH/ML—and pointing out the limitations of size-based grading: bean size is not the sole determinant of flavor quality, and growing altitude and environment are equally critical. It will also introduce the flavor characteristics of coffee from Kenyan producing regions, along with Front Street Coffee's recommendations for Kenyan coffee. [more…]

Kenyan coffee is renowned worldwide for its clean, refreshing, juice-like bright acidity. What exactly do the commonly seen designations in China such as "AA," "AB," and "AA TOP" represent? This article systematically sorts out the grading system for Kenyan coffee beans—from AA and AB to PB, E, C, TT, T, and MH/ML, the specific classification criteria for these eight grades—interprets the characteristics of major varieties such as SL28 and SL34, and analyzes the commercial logic behind exporters' secondary grading. At the same time, it focuses on the Thika producing region, introducing the origin background and flavor performance of Front Street Coffee Kenya Little Tomato, an AA-grade K72 washed bean, and includes the detailed parameters for high-concentration, high-extraction iced brewing along with the three-stage operation method. [more…]

Kenya AA coffee occupies a pivotal position in the global specialty coffee landscape, yet the letter grades surrounding it are often confusing. What exactly do these codes—E, PB, AA, AB, C, TT, T, MH/ML—mean? From the perspective of Front Street Coffee, this article systematically sorts out Kenya's grading system based on raw bean screen size, and takes an in-depth look at a Peaberry from the Ichamama Factory in the Nyeri region, presenting the unique charm of Kenyan PB in full through raw bean information, cooperative background, four-roast comparison experiments, and cupping performance. At the end, it also includes Front Street Kenya Small Tomato AA's brewing parameters and flavor description, offering readers an intuitive AA vs. PB reference. [more…]

Kenya AA is often hailed as one of the finest specialty coffees in the world, yet many coffee enthusiasts still have questions about what the letters AA, PB, and others actually mean. From the perspective of Front Street Coffee, this article systematically reviews Kenya's green bean grading system, explaining the definitions and origins of the E, PB, AA, AB, C, TT, T, and MH/ML grades, and takes an in-depth look at a Kenyan PB peaberry from the Ichamama processing factory in the Nyeri region, covering origin information, cooperative background, roasting experiments, and cupping performance. It then presents the flavor differences between the two through a brewing comparison with Kenya AA, helping readers gain a more comprehensive understanding of Kenyan coffee's grades and flavor characteristics. [more…]

Kenya is globally recognized as one of the top coffee-producing countries, known for its bright fruit acidity and rich layers. From the perspective of Front Street Coffee, this article systematically reviews the growing conditions, historical context, and core varieties of Kenyan coffee—the origins and flavor characteristics of SL28 and SL34—and explains in detail the operational process of the Kenyan-style 72-hour fermentation washed processing method (K72). At the same time, the article fully presents Kenya's coffee grading system—from the definitions and differences among grades such as E, AA, AB, PB, TT, and T to unofficial grades set by exporters such as AA TOP and AB TOP. Finally, using Front Street Kenya Asali Coffee as an example, it provides roasting and brewing recommendations to help coffee enthusiasts fully understand the unique charm of Kenyan specialty coffee. [more…]

Kenyan coffee is renowned worldwide for its bright berry-like acidity and solid body, and its strict grading system together with its unique terroir jointly create high-quality cup performance. This article will systematically sort out the size grading and flavor grading system of Kenyan green beans, and provide an in-depth introduction to the altitude, varieties, and flavor characteristics of six specialty regions: Thika, Kirinyaga, Nyeri, Kiambu, Murang'a, and the western side of Mount Kenya. At the same time, Front Street Coffee will combine its own roasted Kenya Asalia coffee beans to share brewing parameters and technique suggestions, helping coffee lovers gain a more complete understanding of the coffee charm of this East African producing country. [more…]

Kenyan coffee occupies an important position in the global specialty coffee scene thanks to its bright berry-like acidity, sugarcane-like sweetness, and juicy mouthfeel. Many consumers notice labels such as "AA," "AB," or "TOP" on coffee bags when making a purchase—but what exactly do these markings mean? This article systematically sorts out Kenya's coffee grading system, from the traditional size-based grading to the quality grading procedures established by the Kenya Coffee Research Institute, interpreting one by one the specific meanings and distinguishing criteria of grades such as AA, AB, PB, C, E, TT, and T, while also explaining the origins of secondary rating labels such as TOP, Plus, and FAQ and their cupping score ranges. In addition, the article uses Front Street Coffee's Kenya Asalia AA TOP as an example to provide detailed brewing parameters and flavor descriptions, helping coffee enthusiasts gain a more comprehensive understanding of the quality logic and tasting key points of Kenyan coffee. [more…]

Kenyan coffee is famous for its bright fruit acidity and clean flavor, and its grading system is based primarily on bean size and cup quality. Starting from Front Street Kenya AA TOP, this article systematically sorts out the definitions and differences of the eight major grades—E, PB, AA, AB, C, TT, T, and MH/ML—with emphasis on explaining the connection and distinction between AA TOP and AA. At the same time, combined with Front Street Kenya Little Tomato coffee beans, it provides specific parameters for hot pour-over and iced pour-over, the three-pour water-pouring method, and flavor performance, helping coffee enthusiasts understand the purchasing logic and brewing key points for Kenyan beans. [more…]