How does the Semeon Abay coffee bean processing method work?
The Semeon Abay processing method is an anaerobic fermentation approach named after the Ethiopian producer who developed it. Abay, a former film student and roaster at Novo in the United States, returned to Ethiopia after a cancer diagnosis and later worked with Ninety Plus. In 2013 he processed a batch of beans in this adventurous way, and the results stood out on the cupping table.
That batch went on to win first place at the 2015 World Brewers Cup, which is how the coffee bean process took on his name. The method sits alongside washed, natural, and honey processing, and comparing the three traditional methods shows how fermentation choices shape flavor. Washed coffees tend cleaner, naturals fruitier, and honey lots sweeter, which gives buyers a practical reference.
Coffee bean processing methods are becoming increasingly diverse, and among them, the Semeon Abay processing method has attracted the attention of many enthusiasts with its unique fermentation logic and personal touch. From the perspective of Front Street Coffee, this article systematically sorts out the origin story and operational process of this special processing method, while comparing the advantages and disadvantages and flavor differences of the three traditional methods—washed, natural, and honey—to help readers more clearly understand the impact of different processing methods on coffee taste and provide a reference for daily purchasing.
For professional coffee knowledge exchange and more coffee bean information, please follow the Coffee Workshop (WeChat public account cafe_style) The popularity of coffee culture has led more and more enthusiasts to encounter various green bean processing methods. Among them, there is one processing method with a strong personal style, and Front Street Coffee believes it is none other than the Semeon Abay processing method. This name itself comes from a person's name. Below, Front Street Coffee will introduce this special coffee bean processing method in detail. The story of Semeon Abay According to information available to Front Street Coffee, Semeon Abay was not originally a coffee grower. When he was young, he majored in film and also worked as a film actor. Later, he went to the United States to develop his career and, by chance, became the head roaster at Novo. Just as his career was thriving, he was unfortunately diagnosed with cancer, and the doctor said there was no possibility of a cure. He had no choice but to return from the United States to his hometown in Ethiopia to wait for the final days of his life. However, unexpectedly, he miraculously recovered and survived.
After that, he stayed in Ethiopia and continued to work for his former employer Ninety Plus (90+), and in 2013 he processed a batch of coffee beans in a highly adventurous way. As a result, they performed exceptionally well on the cupping table, far surpassing all other Ninety Plus coffees. It was against this background that his coffee beans using this special processing method won first place in the 2015 World Brewers Cup. This processing method was therefore named the Semeon Abay processing method. Semeon Abay processing method process According to Front Street Coffee's understanding, the specific operation of this processing method is that during the green bean processing stage, before fermentation begins, floating beans are first manually selected out, and then the coffee cherries are placed into large plastic bags. Over 5 consecutive days, the bags are turned once every 12 hours, while the amount of air entering is strictly controlled. After 5 days, the already fermented coffee is placed on drying beds to prevent over-fermentation. This processing method differs from the common anaerobic processing on the market and can give coffee beans a more complex and richer fruity character.
The above is what Front Street Coffee has compiled regarding this special coffee bean processing method. In addition, the strength of the world's three major coffee processing methods should not be underestimated either. Although they belong to relatively traditional methods, they have also defeated many coffees using special processing methods in coffee competitions. After all, Front Street Coffee has always believed that whether a coffee bean tastes good or not ultimately depends on the variety itself, and special processing methods are not a long-term solution. So what exactly are these three major coffee processing methods? These three major coffee processing methods are naturally the most primitive natural process and washed process, plus the honey process and wet-hulled process that fall between natural and washed. However, the wet-hulled coffee bean process is widely used only in Indonesia and does not belong to the traditional three major coffee processing methods. Coffee bean washed process The washed process is the coffee processing method Front Street Coffee prefers most, because washed coffee performs stably and is also the "touchstone" of a producing region. When selecting coffees from various coffee-producing countries in Central and South America, Front Street Coffee usually first chooses washed coffee beans for cupping, from which it selects the beans that best express the flavor of the producing region.
Advantages and disadvantages of the washed process Advantages: Coffee beans cleaned with large amounts of fresh water have fewer impurities and a more complete appearance. Since the skin and pulp of the coffee fruit are removed early through washing, there is no need to worry about mold, so the overall quality is relatively stable. Disadvantages: The washed process is relatively complex and cumbersome, and requires a large amount of water, so the cost is relatively high, and it is less commonly used in areas with scarce water resources.
Front Street Coffee Yirgacheffe Washed Gutingding Coffee Beans Flavor performance of washed coffee beans As Front Street mentioned above, washed coffee beans are cleaner and more transparent in flavor, with acidity and fruity notes, a bright mouthfeel, and relatively lower sweetness and body. Coffee bean natural process
The natural process is the oldest coffee bean processing method, also known as the "dry method." The natural process does not require high-end equipment; as long as there are consecutive sunny days, sun-drying can be carried out, and the exposure period requires 27 to 30 days. Therefore, it has relatively strict climate requirements and is suitable for countries in arid regions. Advantages and disadvantages of the natural process Advantages: As Front Street mentioned above, the natural process is relatively simple to operate, which also means it does not require too much cost, so naturally processed coffee beans all have an irreplaceable fermented flavor. Now coffee farmers have also begun to attach importance to natural coffee beans, such as placing coffee beans on racks to dry and turning them frequently to prevent contamination. Because of this, Front Street now has so many high-quality naturally processed coffee beans in its store. Disadvantages: As Front Street also mentioned above, naturally processed coffee beans have very strict weather requirements, and the dryness of the coffee fruit is also relatively difficult to control. Moreover, if the drying yard is not clean, it is easy for impurities to mix into the coffee beans, which leads to an increase in defective beans. During the drying process, the coffee fruit is dried with its pulp, so mold and spoilage are very likely to occur. Fortunately, with the development of technology, coffee farmers are pursuing higher-quality natural coffee beans, so they have begun using instruments and labor to closely monitor the degree of fermentation and drying of the coffee, removing any coffee found to be abnormal. Of course, this operation costs more, but it is also more meticulous, so it is also called refined natural processing.
Front Street Coffee Yirgacheffe Natural Red Cherry Coffee Beans Flavor performance of natural coffee beans Because they are exposed to the sun for a long time, naturally processed coffee beans have a more intense flavor and richer layers, with vinous fermented notes, and their sweetness is also relatively high. Differences between washed and natural coffee beans The most essential difference between naturally processed and washed coffee beans is that the natural process retains the flavor of the pulp, while the washed process removes the flavor of the pulp, representing the most essential flavor of the coffee bean. An obvious difference can be felt in the mouthfeel: washed coffee is cleaner and more transparent, while natural coffee has a richer mouthfeel. Precisely because the washed method can reflect the most essential flavor of coffee beans, whenever Front Street Coffee recommends coffee beans, if the customer is tasting coffee from that producing region for the first time, Front Street Coffee will give priority to recommending washed coffee beans, so that people can more clearly understand the flavor characteristics of that producing region. Coffee bean honey process
The honey process was developed by coffee farmers in Costa Rica. The background to its development is that most coffee-producing areas in Costa Rica are on steep mountains, and transportation is inconvenient. Therefore, when coffee fruits from their own farms were sent down the mountain to washed processing stations, many coffee fruits were found to have been damaged; this reduced coffee bean yields and therefore reduced income, so the honey process was developed in this way. Secondly, according to Front Street Coffee's understanding, because few green bean buyers went up into the mountains of Costa Rica to purchase high-quality coffee fruits, there was also a lack of sales channels. These buyers purchased at extremely exploitative prices, so the coffee farmers on the mountain also distrusted these buyers. That was why they invented the honey process, selling coffee beans in a self-produced and self-sold form to obtain more income to sustain their livelihoods. At the same time, the honey process allows the coffee to retain the cleanliness of the washed process, but like the natural process, it is also sun-dried. So although the brightness of the coffee flavor decreases somewhat, sweetness and caramel texture are increased. According to different degrees of honey processing, honey-processed coffee is further divided into yellow honey, red honey, and black honey.
At present, because of its good flavor performance, the honey process is widely used in coffee-producing regions of Central America, and many special honey processing methods have also been developed locally in Costa Rica. For example, Front Street Coffee's Costa Rica Musician Series Bach coffee beans and Mozart coffee beans are made by raisin honey processing and anaerobic honey processing, respectively. Advantages and disadvantages of the honey process Advantages: Because the honey process is an improved method of the natural process, since the pulp is removed at the beginning, there will be no mold problem. It also does not require large amounts of fresh water, so the cost is relatively low. Disadvantages: The processing steps can be said to be the most complex and labor-intensive of all methods.
Front Street Coffee Yirgacheffe Red Honey Red Cherry Coffee Beans Honey process flavor As Front Street mentioned above, the honey process can increase the sweetness of coffee and relatively reduce its acidity, and its aroma is also more delicate. Of course, this is when the honey process is well executed; if it is poorly executed, it will taste of unpleasant acetic acid and spicy notes like onion or garlic. Even when it is executed quite well, it will still carry a slight earthy taste, its finish will be less clean, and off-flavors will be heavier than in general washed methods. Therefore, overall, the honey process carries much higher risk than general wet processing methods. The above is what Front Street Coffee has compiled regarding the special coffee bean processing method Semeon Abay and the three common major coffee processing methods. It is hoped that this can help coffee enthusiasts expand their related coffee knowledge so that in the future they can choose coffee beans processed by methods that better suit their own taste. For more specialty coffee beans, please add the private WeChat of Front Street Coffee, WeChat ID: kaixinguoguo0925
The above content is compiled by CoffeeHunters, a coffee news website.
