Blackheads (or blackspots) are common in coffee roasting, especially in the early stages of roasting. Generally appear at both ends of the coffee bean, deeper baking degree of the case, but also often appear on the back of the coffee bean. Why are there blackheads? First of all, we can be sure that it must have something to do with heating, when the baking temperature is too high.
2016-06-28 Baking why appear blackspots blackheads scorched spots coffee beans problems Italian coffeeWhen we talk about boutique coffee, every step presented in the coffee supply chain is critical to the final coffee product presented to us. So a very important step in the supply chain of coffee from seed to cup is roasting. When it comes to specialty coffee, every step in the supply chain becomes extremel
2016-06-24 Roasting defects fast fresh coffee beans coffee quality raw beans we talk aboutNow when it comes to the same baking color, the baking effect can not be determined what the reason is: 1. The air in this seam has a different thermal conductivity from the beans outside. If it will cause the two temperatures to be different. Most of the problem is that the air inside is much hotter than beans. For example, the oven is too hot, or the beans are not thoroughly dry. You will see that the middle is more scorched than the two sides. General
2016-06-12 Roasting curve coffee flavor coffee beans dissection now say the same baking1. The air inside this crack has a different thermal conductivity than the beans outside. If it causes the two temperatures to be different. Most likely the problem lies in the fact that the air is much warmer than the beans. For example, it's too hot to get out of the oven, or the beans aren't dry enough. You'll see that the middle is more burnt than the sides. Generally, after burning, the explosion will be a little faster, perhaps not dense. At this point, it's possible that some of the beans
2016-07-20 fresh coffee beans coffee roast curves flavor boutique this seam airThe coffee bean itself is a small, light green bean that turns black by roasting what should be a light turquoise bean. Immature beans are over-fermented in the process of refining, resulting in microbial infection, mixed taste, sour smell, mildew smell, drug flavor (phenolic henoic), etc., which may contain biotoxins. Sour beans / local sour beans: raw beans appear yellow and yellow brown
2016-05-27 Should how distinguish coffee beans planted defects coffee raw beans itself isHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight.
2014-08-19 Coffee knowledge selection of coffee beans coffee encyclopediaAll black beans / partial black beans: raw beans that are supposed to appear light turquoise turn black. Immature beans are over-fermented in the process of refining, resulting in microbial infection, mixed taste, sour smell, mildew smell, drug taste and so on, which may contain biotoxins. Sour beans / local sour beans: raw beans have a yellow, yellowish-brown or reddish-brown appearance, usually accompanied by blackened germs, harvested or after harvest
2015-12-17 How to select flaw class which cognition various common black bean localHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight.
2014-05-15 Coffee knowledge coffee beans buy coffee beansHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2015-06-04 How to buy okay coffee beans shape judgmentHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2015-09-17 How appearance judgment beans good or badDetermination of black beans during grinding: fermented beans, failed, blackened coffee beans. Because it is black, it can be supported with the normal coffee bean area at a glance. How to judge the bickering of beans? Can be its brilliance-whether the gloss is good, the color is average without color spots; smell its fragrance-whether it is fragrant and strong; interview brittleness-put it into the mouth, whether it is crisp and sound, and the taste is fine
2014-09-04 Coffee knowledge buy coffee beans how to buy coffee beansHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2014-11-12 Coffee knowledge coffee common sense buy coffee beansHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2015-09-22 How appearance judgment beans good or bad shapeHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2014-11-10 Coffee knowledge coffee basics coffee common sense buy coffee beansHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2015-01-14 Boutique coffee basics common sense how buy good coffee beans appearanceHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Second, pay attention to coffee beans.
2015-06-20 Teach you how to buy quality better coffee beansHow to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
2015-01-26 How to select coffee beans appearance judgment beans good or bad howJudgment of appearance: delicious coffee can be known from the shape of its roasted coffee beans, of course, there can be no bad coffee beans mixed with, what is more important is that normal beans will also be mixed into high-quality coffee beans and cause hindrance. A fried roasted bean that brews delicious coffee must first be big, fat and uniform, and secondly, it is uniform in size without color spots. These are the main points of visual discrimination, such as
2014-09-19 Judge coffee beans select coffee beans1. The air in this seam has a different thermal conductivity from the beans outside. If it will cause the two temperatures to be different. Most of the problem is that the air inside is much hotter than beans. For example, the oven is too hot, or the beans are not thoroughly dry. You will see that the middle is more scorched than the two sides. Generally speaking, after a scorch, the explosion will be faster, or not dense. At this time, it is possible to take out some of the beans.
2016-06-08 Coffee roasting curve flavor relationship how with Mo card pot boil out concentrateJudgment of appearance: delicious coffee can be known from the shape of its roasted coffee beans, of course, there can be no bad coffee beans mixed with, what is more important is that normal beans will also be mixed into high-quality coffee beans and cause hindrance. A fried roasted bean that brews delicious coffee must first be big, fat and uniform, and secondly, it is uniform in size without color spots. These are the main points of visual discrimination, such as
2015-06-05 How to judge coffee beans good or bad shape