What is the relationship between the "oil" of coffee beans and the freshness? Should we buy coffee beans that have "oil" or "no oil" in appearance?
2014-06-18 Coffee knowledge oiled coffee freshness of coffee beansHave you ever seen oily coffee beans? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What does the "oil" of coffee beans have to do with freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil is not oil, which is evenly scattered on the surface of coffee beans. In fact, it is not "oil", but one.
2015-05-07 Coffee beans freshness judgment method coffee basics common sense seen appearance oilRaw materials: chicken yellow 4 add sugar 20g salt 1g milk 30g salad oil 50g low gluten flour 90g corn flour 10g instant coffee powder 10g (evenly mixed with hot water 50g) protein 4 add sugar 50g process: 1. Add sugar to protein in a container without oil and water. Whisk to wet foaming (pull off the egg beater with a small hook on the head). 2. Mix egg yolk with sugar and oil, add milk powder and instant coffee.
2014-07-18Some of the coffee beans in the coffee bar are shiny and glossy, while others are dull. After a while, it was found that the surface of the dull coffee beans also looked glossy. Perhaps friends who often drink coffee at home will also have such doubts: is the oiled coffee bean good? Will it affect the taste of the coffee? Why do coffee beans produce oil? Sometimes it can be found in coffee bean stores.
2015-02-06 Coffee beans roasting knowledge oil okay coffee bar coffee beans yes outsideDuring 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. When hot water hits coffee powder under high pressure, it will emulsify the insoluble oil of coffee powder and dissolve a large amount of carbon dioxide supersaturated.
2014-10-20 Coffee knowledge espresso coffee common sense CremaWhat is Crema? How did it come about? 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, 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. When hot water hits coffee powder under high pressure, it will emulsify the insoluble oil of coffee powder and pass.
2014-10-08 Coffee knowledge coffee training coffee encyclopedia Crema1, 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,
2016-01-06 Italian Coffee extract knowledge Espresso concentrate Fat judgementOily coffee beans, have you ever roasted coffee beans that are oily on the outside? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What is the relationship between the "oil" of coffee beans and the freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil, which is not oil, these "oil" evenly distributed on the surface of coffee beans, in fact
2016-05-24 Oil coffee beans stale oil roast seen appearanceWhat is the relationship between coffee beans and freshness? Should we buy coffee beans with oil or without oil? Have you ever seen coffee beans that look oily? Why do some coffee beans have an oily surface, while others are "dry and comfortable" without oil? What is the relationship between coffee beans and freshness? We should choose the appearance of "oil" or "no oil"
2014-11-03 Coffee knowledge Fine coffee learning Coffee bean oil extraction FreshnessWhat is the relationship between coffee beans and freshness? Should we buy coffee beans with oil or without oil? Have you ever seen coffee beans that look oily? Why do some coffee beans have an oily surface, while others are "dry and comfortable" without oil? What is the relationship between coffee beans and freshness? We should choose the appearance of "oil" or "no oil"
2015-01-22 coffee beans oil extraction freshness what relationshipsThere has long been a theory that robusta beans can produce better Crema during extraction. This is true because Robusta coffee beans contain only half the aroma components and aromatic oil content of Arabica coffee beans. This means that less oil is extracted into the coffee, thus reducing the effect of oil on foam stability, so adding Robusta coffee beans will reduce the whole.
2015-02-12 ESPRESSO CREMA tell us what for a long time there areWhat is Crema (coffee grease)? During the roasting process, a large amount of carbon dioxide is produced in the coffee beans (most will be emitted during cooling, a few will continue to be kept inside, and grinding will release these gases, so coffee must be made as soon as possible after grinding). When hot water strikes coffee powder under high pressure, it will emulsify the insoluble oil of coffee powder and become oversaturated.
2015-11-09 Consciousness coffee knowledge Crema secrets whatOily coffee beans and freshness What is the relationship between "oily" coffee beans and freshness? Should we buy coffee beans with oil or without oil? Have you ever seen coffee beans that look oily? Why do some coffee beans have an oily surface, while others are "dry and comfortable" and not greasy? What is the relationship between coffee beans and freshness? We should choose the appearance of "have
2014-09-05 Coffee knowledge coffee bean oil coffee bean freshnessShould we buy coffee beans that have "oil" or "no oil" in appearance? Have you ever seen oily coffee beans? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What does the "oil" of coffee beans have to do with freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil, which is not oil, is evenly dispersed.
2015-03-05 Coffee roast coffee beans oil freshness what relationship we should chooseThe 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
2015-02-27 Italian coffee fat judgment method colorDuring 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. When hot water hits coffee powder under high pressure, it will emulsify the insoluble oil of coffee powder and dissolve a large amount of carbon dioxide supersaturated.
2014-09-24 Coffee knowledge what is Crema coffee knowledge Italian concentrationThese "oils" distributed evenly on the surface of coffee beans are actually not "oils", but water-soluble organic substances that look like oils.
2014-06-14 Coffee knowledge coffee encyclopedia coffee bean surfaceFresh shallow roasted beans with light roasting heat and light brown appearance are dry and will not produce oil after baking. About six days after baking, they begin to appear the phenomenon of dotted oil (there are dotted oil droplets on one side of the coffee bean). Slight dotted oil does not mean that it is not fresh, but sometimes the flavor of shallow roasted coffee beans is at its peak. Continue to put it down, out of the oven.
2016-06-06 Fresh shallow baking baking method bagging coffee powder preservation freshHave you ever seen oily coffee beans? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What does the "oil" of coffee beans have to do with freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil is not oil, which is evenly scattered on the surface of coffee beans. In fact, it is not "oil", but one.
2015-01-19 Coffee beans basics common sense freshness judgment method seen appearance oil coffeeThe 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
2015-08-29 Italian Coffee Oil judgement method flow rate Direct