During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.
2014-10-28 Coffee knowledge coffee basics Espresso CremaMany coffee friends see a layer of oil on the coffee beans, but some of them are quite dry. Why? Yingyue sycamore will answer for you below. The oil evenly distributed on the surface of coffee beans is actually not oil, but a kind of water-soluble organic matter that looks like oil. Coffee oil itself contains a lot of coffee aroma components, which can be dissolved in water, so the surface of your brewed coffee and
2016-06-01 Coffee beans oil what is the reason roasting a lot coffee friends see coffee beansWhen we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of oil. It seems that the oil evenly distributed on the surface of coffee beans is not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma components, can be dissolved in water, so you make good coffee surface and will not float a layer of greasy
2015-10-12 coffee beans oil out freshness presentation coffee basics common sense us open oneThe color of Italian coffee oil can well reflect whether the extraction degree of ESPRESSO is moderate, whether the powder is enough, whether the filling force is in place, whether the water temperature of the coffee machine is correct and whether the beans are fresh and many other factors. The color of Italian coffee oil is preferably golden yellow and slightly brown, and the color of oil is milky white. We generally call it insufficient extraction and prefer to
2015-05-23 Italian Coffee Fat judgement method Espresso Color1, the flow rate of Italian concentration: the flow rate directly determines the taste of ESPRESSO, too fast flow rate will make the essence of coffee has not been dissolved into the water, but the water has passed through the coffee powder, resulting in coffee tasteless; too slow flow rate will make coffee essence and dregs all into the water, resulting in coffee with obvious scorching taste or exciting bitter taste. For beginners,
2015-12-02 Espresso Italian Condensed Coffee Fat judgement way howThe color of espresso oil can reflect whether the extraction degree of ESPRESSO is moderate, whether the amount of powder is enough, whether the filling force is in place, whether the water temperature of the coffee machine is correct and whether the beans are fresh, and many other factors. Italian coffee oil color is best golden yellow slightly brown, oil color tends to milky white, we generally call it under extraction, tend to
2015-11-12 Italian coffee fat judgment method colorWhen we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of fat. It seems that the oil evenly distributed on the surface of coffee beans is actually not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma ingredients, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy.
2014-12-25 Boutique coffee common sense coffee beans oil freshness introduction we open oneHave you ever seen oily coffee beans? Why do some coffee beans have a shiny surface, while others are dry, comfortable and non-greasy? What is the relationship between the "oil" of coffee beans and the freshness? Should we buy coffee beans with or without oil on the outside? Coffee oil, which is not oil, which is evenly distributed on the surface of coffee beans, is actually not oil, but a kind of water that looks like oil.
2015-09-21 Why some coffee beans surface oil bright seen appearanceWhen we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of fat. It seems that the oil evenly distributed on the surface of coffee beans is actually not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma ingredients, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy.
2014-09-27 Coffee knowledge coffee bean oil coffee bean freshnessThe oil evenly distributed on the surface of coffee beans is actually not oil, but a kind of water-soluble organic matter that looks like oil. Coffee oil itself contains many aromatic ingredients of coffee, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy grease. There are two reasons: oilbeans a stale shallow baked beans b fresh deep baked beans. A) not fresh
2014-12-20 Boutique coffee why some coffee beans noodle oil shiny these uniform scatteredDuring the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, a few will continue to be kept inside, and the grinding will release these gases, so coffee must be made as soon as possible after grinding.
2014-08-22 Coffee knowledge coffee fat CremaDuring the roasting process, a large amount of carbon dioxide will be produced in the coffee beans, most of which will be emitted during the cooling process, and a small amount will continue to be stored inside. These gases will be released when grinding the coffee powder, so it is necessary to make coffee as soon as possible after grinding. When hot water hits the coffee powder under high pressure, it emulsifies the insoluble fats of the coffee powder and at the same time, it dissolves in supersaturation.
2015-07-27 Espresso Crema Tell us What Baking In processThe oil evenly distributed on the surface of coffee beans is actually not oil, but a kind of water-soluble organic matter that looks like oil. Coffee oil itself contains many aromatic ingredients of coffee, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy grease. There are two reasons: oilbeans a stale shallow baked beans b fresh deep baked beans. A) not new
2014-10-15 Coffee knowledge boutique coffee coffee roastingWhen we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of fat. It seems that the oil evenly distributed on the surface of coffee beans is actually not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma ingredients, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy.
2014-09-16 Coffee knowledge coffee beans fresh coffee beansWhen we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of fat. It seems that the oil evenly distributed on the surface of coffee beans is actually not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma ingredients, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy.
2014-11-18 Coffee knowledge coffee roasting coffee bean oil coffee freshnessThe color of Italian coffee oil can well reflect whether the extraction degree of ESPRESSO is moderate, whether the powder is enough, whether the filling force is in place, whether the water temperature of the coffee machine is correct and whether the beans are fresh and many other factors. The color of Italian coffee oil is preferably golden yellow and slightly brown, and the color of oil is milky white. We generally call it insufficient extraction and prefer to
2014-12-02 Coffee common sense Italian grease judgment method color coffee1, the flow rate of Italian concentration: the flow rate directly determines the taste of ESPRESSO, too fast flow rate will make the essence of coffee has not been dissolved into the water, but the water has passed through the coffee powder, resulting in coffee tasteless; too slow flow rate will make coffee essence and dregs all into the water, resulting in coffee with obvious scorching taste or exciting bitter taste. For beginners,
2015-12-19 Italian Coffee production introduction Espresso concentrate Fat judgementThe oil evenly distributed on the surface of coffee beans is actually not oil, but a kind of water-soluble organic matter that looks like oil. Coffee oil itself contains many aromatic ingredients of coffee, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy grease. There are two reasons: oilbeans a stale shallow baked beans b fresh deep baked beans. A) not fresh
2014-08-07 Why some coffee beans noodle oil shiny dry and comfortable non-greasy theseThe flow rate of Italian coffee directly determines the taste of ESPRESSO, too fast flow rate will make the essence of coffee has not been dissolved into the water, but the water has passed through the coffee powder, resulting in coffee tasteless; too slow flow rate will make the essence and dross of coffee all into the water, resulting in coffee with obvious scorching taste or exciting bitter taste. For beginners, the control of velocity
2014-10-21 Coffee knowledge espresso coffee oil coffee flow rateThe color of the oil had better be golden yellow and slightly brown, and the color of the oil is milky white, which is generally called insufficient extraction, while the preference for dark brown is excessive extraction. Insufficient extraction is generally reflected in the milky white color of oil, which may be due to insufficient powder, light filling force, low water temperature, coarse grinding of coffee powder, insufficient water pressure or coffee beans.
2016-10-24 Coffee feeling flow rate category taste manor area treatment introduction grease