The change of temperature the higher the external temperature, the finer the coffee beans are ground; otherwise, the coffee beans are ground coarsely. In general, coffee is made in an environment of 18 to 23 degrees. The greater the humidity, the thicker the coffee beans will be ground. Compared with humidity, coffee is mainly affected by ambient temperature. Generally speaking, 70ppm (ratio of mineral content in water) is below
2014-09-13 Coffee knowledge coffee taste coffee encyclopediaWe can now reflect different flavors from coffee from one place of origin through siphon, hand brewing, and even Italian style. As a barista, as long as you handle the baking degree, you can find a best fit point under different temperatures and pressures. Or, we have an extraction method to try coffee from different places. Or, it's also Italian.
2014-10-14 Coffee knowledge boutique coffee technology coffee extractionSince the Arabs discovered the coffee beans, the first way to eat them is to put the whole fruit of the coffee into the mouth and chew it to get its juice. Later, they ground the coffee beans from the fruit and mixed them with animal fat as a physical supplement for caravans to trade far away. After that, around 1000 AD, it was changed to the method of boiling raw beans into soup. Until 13.
2014-09-29 Coffee knowledge coffee roasting coffee tasteSome people say that Italian concentrated flavor is more variable than hand-brewed coffee, such as: water temperature plus or minus 1 degree Celsius, thickness change 0.5 scales, brewing time plus or minus 30s, height of hand-brewed pot from filter cup, etc., will change the flavor characteristics of the final pot of coffee. And what about espresso? A little more powder, a little less thickness, in many people's perception,
2016-05-06 stepless conditioning grinder coffee impact how big people say Italian concentrate flavorThe production method of comprehensive coffee mocha has a high-quality sour taste, which is not enough to have this and that taste. Indeed, mocha is called sour coffee, but it is limited to a certain degree of roasting to give it a rich sour taste and aroma, not at any degree of roasting. That is, the light baked mocha tastes like this, but the medium baked mocha tastes like that.
2016-09-21 Coffee beans blending method proportion matters needing attentionAll coffee roasting machines work on the same principle: heat raw coffee beans, produce physical and chemical changes and turn them into roasted beans.
2014-07-07 Coffee knowledge coffee roasting coffee encyclopediaIt has been three years since the publication of Huky300. Over the past three years, I have known a lot of coffee friends, and I have also received advice from many friends on Huky300. I happened to have the experience of helping my friend Yang change the drum by one kilogram last month. I thought that maybe I should also make some changes for Huky300. After more than a month of conception, design, and trial production, the final edition was finally finalized. The main changes this time are: 1. The inner tube is enlarged and the mixing sheet is increased.
2015-07-06 Huky500 coffee roaster block diagram baking operation Huky31 is the state of raw coffee beans, 2 is that coffee beans are heated at the furnace temperature 3. As the temperature rises, the free water in coffee beans begins to evaporate, and the beans begin to change from green to yellow. At this stage, beans still have obvious grass flavor. 4 coffee beans are further dehydrated, from light yellow to color similar to longan. At this stage, the free water in coffee beans is further removed, and coffee beans gradually expand 5.
2014-07-03 Coffee knowledge coffee roasting coffee encyclopedia coffee common senseDo-it-yourself, the biggest advantage of roasting coffee beans with a hand net is low cost, fresh, even if it is not guaranteed to be very uniform. In addition, the firepower can be adjusted freely to facilitate the observation of bean color changes, which is also one of the reasons why coffee lovers are keen on this method. It is also baked in a pan or Chinese-style frying pan, but it usually has the following disadvantages: 1. It is heavier and the arms continue to shake.
2015-09-21 Hand net baking basics convenience observation beans color change yourself hands-onWhat is the roasting degree of coffee beans? How does the taste change with different degrees of baking? With the deepening of roasting, the color of raw coffee beans changed from brown to black. The index used to indicate the roasting degree of coffee beans is called roasting degree, which is generally distinguished by the color of coffee beans. Now we often say that the order of baking degree from shallow to deep is: light baking, cinnamon baking, medium baking.
2016-06-14 Coffee beans which roasting varying degrees degrees production what changes1 is the state of raw coffee beans, 2 is that coffee beans are heated at the furnace temperature 3. As the temperature rises, the free water in coffee beans begins to evaporate, and the beans begin to change from green to yellow. At this stage, beans still have obvious grass flavor. 4 coffee beans are further dehydrated, from light yellow to color similar to longan. At this stage, the free water in coffee beans is further removed, and coffee beans gradually expand 5.
2016-07-14 Coffee roasting making at home Italian blending coffee beans coffee raw beans statusIt has been three years since the publication of Huky300. Over the past three years, I have known a lot of coffee friends, and I have also received advice from many friends on Huky300. I happened to have the experience of helping my friend Yang change the drum by one kilogram last month. I thought that maybe I should also make some changes for Huky300. After more than a month of conception, design, and trial production, the final edition was finally finalized. The main changes this time are: 1. The inner tube is enlarged and the mixing sheet is increased.
2014-10-22 Coffee knowledge coffee machine roaster operation1. It can be judged by the change in the smell of baking smoke: this is a baking depth control method that was more widely adopted in the 19th century. two。 Judged by the temperature changes inside the coffee beans: this method is most commonly used in today's more advanced bean dryers. 3. Judging by the degree of coloring of coffee beans: this needs to be judged by experience, or assisted by a sophisticated machine.
2015-03-11 Visual observation judgment baking degree there are three methods smoke smell changeThe production method of comprehensive coffee mocha has a high-quality sour taste, which is not enough to have this and that taste. Indeed, mocha is called sour coffee, but it is limited to a certain degree of roasting to give it a rich sour taste and aroma, not at any degree of roasting. That is, the light baked mocha tastes like this, but the medium baked mocha tastes like that.
2016-06-21 Coffee blending time should pay attention to what baking or first spellingCoffee beans are light green and turn brown when roasted. This baking characteristic brown mainly comes from the brown pigment produced by oligosaccharins, amino acids and chlorogenic acids. The so-called brown pigment does not refer to a color or ingredient, but a general term for the many ingredients that make coffee different colors. Raw beans gradually change color during baking because of the total amount of brown pigment
2016-08-24 Coffee beans through roasting why brown aroma coffee raw beans light greenWhat I just mentioned is something that happens inside the coffee beans, so what will happen in the appearance? A few minutes before the coffee beans are heated in the baking room, we don't see much change in appearance, when the coffee beans are still grayish green and there is no sound. After a while, the appearance of coffee beans will gradually turn yellow and emit similar colors.
2015-04-13 Coffee roasting common sense stage drama evolution process just before mentionedPhysical changes in roasting of raw beans change the color of coffee beans, evaporate moisture, increase their volume, and make coffee beans become brittle. Almost all people in the coffee industry regard color as the standard to measure the roasting degree of coffee, even if they are named for different roasting degrees, but there is no consensus on the roasting degree symmetrical by each name in the coffee industry. The first stage of roasting coffee beans is "roasting."
2016-06-28 Roasting coffee beans explosion beans heat absorption seasonal physical changes occurrence raw beansOnce the coffee seed is planted, no one can change its final quality. However, the color, aroma, bioactive components and health characteristics of coffee are related to the roasting process. During the roasting process, coffee is heated at 190-220 degrees for 7-20 minutes, which helps to bake out its aroma and good taste, and helps to form lactone, nicotinic acid and resistance.
2015-04-03 Coffee common sense boutique coffee beans roasting steps analysis once coffee seedsThe five stages of baking: 1. Dry, when the raw bean is heated, the water vapor in the raw bean will evaporate, and when it reaches about 135 degrees, the raw bean begins to lighten from green and gradually whitens. two。 Dehydration, as heating, raw beans from green to light yellow, when the temperature is about 160 degrees, will emit the smell of grass, or the aroma of baked grain, continuous heating, beans will turn light brown. 3. one
2016-01-22 Roasting process change degree Division Coffee beans comparison Table Flavor characteristics Baking1. How much should the scale of the flour grinder be adjusted? The scale is just a reference. Different brands have different grinding scales, and the performance of the same model bean grinder of the same brand under the same scale is not exactly the same. It is better to understand it this way: the scale only tells you which direction is thick and which is fine. When you find a suitable powder thickness, the role of the scale will show a little bit.
2014-11-22 Coffee knowledge boutique coffee science coffee beans coffee powder