What does urban roasting mean? Urban roasting refers to the degree of roasting of coffee beans.
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First, when studying the roasting degree of coffee beans, the degree of roasting can be judged by sound, color and aroma.
Its color from light gray to dark brown, aroma from light and elegant gradually rich; the sound is issued twice burst sound, for example, heat-resistant raw beans, about 7 points began the first explosion, lasting about 2 minutes, its voice is low, indicating the beginning of pyrolysis, starch into caramel, water evaporation, exhaust, around 12 minutes issued a second explosion, the sound is violent and sharp, indicating that the cell fiber is broken, the deeper the baking.
Second, the famous American Fine Coffee Association (SCAA) promotes the determination of the baking degree by the caramelization analysis value (Agtron number) determined by the red inside. the higher the value, the lower the caramelization, the grayish color, and the lighter the baking. on the contrary, the low value represents the high caramelization, black and bright color, and the deeper the baking.
Third, the well-known roasting degree of coffee is the American term shallow roasting, medium roasting, deep (heavy) roasting, which can be subdivided into eight stages, and the difference of roasting degree varies with different regions. The following briefly introduces the roasting degree and flavor:
(1) Light Roast: very shallow baking, also known as "shallow baking"
Time to drop beans: before and after the start of the explosion
Flavor: bean table is light cinnamon color, with a strong grass flavor, taste and aroma is not enough, generally used for experiments, rarely for tasting.
(2) Cinnamon Roast: shallow baking, also known as cinnamon baking
Time to drop beans: an explosion begins to be dense.
Flavor: the bean surface is cinnamon color, at this time the smell of grass has been removed, strong acid, slightly fragrant, often used to make American coffee.
(3) Medium Roast: medium baking, also known as "micro baking"
Time to drop beans: from the explosion to the end
Flavor: the bean surface is chestnut color, light taste, slightly sour with bitter, moderate aroma, retain the original flavor of coffee beans, often used as American coffee or mixed coffee.
(4) High Roast: moderate micro-deep baking, also known as "concentration baking"
Time to drop beans: the end of the first burst
Flavor: the bean surface is light reddish brown, the taste is refreshing and rich, the sour and bitter balance is not irritating, and it is slightly sweet, and the aroma and flavor are all good. Blue Mountain and Kilimanjaro coffee are suitable for this roasting degree and are loved by people in Japan and Central and Northern Europe.
(5) City Roast: medium-depth baking, also known as "urban baking"
The time to drop the beans: after the first burst, that is, between the first and second bursts.
Flavor: the bean surface is light brown, the taste is bright and lively, the acidity between sour and bitter balance is light, and it releases the high-quality flavor of coffee, which is the standard baking degree and the public's favorite roasting degree. Brazilian and Colombian coffee are suitable for this roasting degree and are often used in French coffee.
(6) Full City Roast: micro-depth baking, namely deep baking, also known as "deep city baking"
Time to drop the beans: the second burst
Flavor: the bean surface is brown, the taste is calm and full, the bitter taste is strong, the aftertaste is sweet, the aroma is full, it is a Central and South American baking method, and more iced coffee and black coffee are used.
(7) French Roast: very deep baking, also known as "French baking"
Time to drop beans: the second explosion is dense to the end of the second explosion.
Flavor: the bean surface is dark brown with black, strong taste, bitter taste, light sour taste and almost no feeling, with rich chocolate and smoky aroma, which is the most popular in Europe, making coffee Oulei and Viennese coffee.
(8) Italian Roast: extremely deep baking, also known as "semantic baking"
Time to drop the bean: the second explosion ends until the bean surface turns black and produces oil.
Flavor: the bean surface is black and glossy. Before carbonation, the coffee bean fiber has a strong and complex taste, strong bitter taste, with a strong fried and scorched aroma. It is mainly popular in Latin countries and Italy. It is often used as Italian coffee Espresso.
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Why doesn't Jamaican coffee taste sour? how does Jamaican coffee taste better and how to get a balanced taste?
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) Jamaica Blue Mountain Coffee flavor characteristics are: dark chocolate characteristics of the nutty flavor, low acid, mellow, soft, supple taste. So, what makes it have such a sense? First, Jamaican coffee variety Jamaican Blue Mountain Coffee is one of the best in the world.
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How coffee beans are roasted in cities, what is the difference in the depth of roasting coffee beans?
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) Coffee beans will be sour: coffee beans themselves are fruits, since they are fruits, they must have acidity, so the coffee they drink will be sour, which is actually related to water content and roasting. New beans, harvest within a year. How coffee beans are roasted: shallow roasted, sour at the entrance; roasted
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