Coffee Knowledge Lists
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Coffee common sense effect of roasting coffee beans on brown coffee powder
Roasting causes physical and chemical changes in coffee beans and ingredients, which determine the color and ignorance of brown coffee powder. During roasting, raw beans contain sucrose and white sugar are melted into caramel. It mainly affects the color of roasted coffee; the glycan contained in coffee beans is partially degraded to produce sugar aldehyde during roasting, which makes roasted coffee have a special grain flavor. In the process of roasting, the shape of acids
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Common sense of how to grind coffee beans to the proper thickness of coffee
Different utensils, even different coffee beans in the same vessel, need to be ground to a specific thickness. For all kinds of coffee extraction methods, whether the grinding degree is appropriate or not can directly determine its success or failure. The grinding of coffee beans seems complicated, but in fact there are rules to follow. No matter what kind of utensils are used to extract coffee, generally speaking, the shorter the extraction time is, the powder will be needed.
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The basic knowledge of coffee brewing must be made in good water.
1. Boil in fresh water (must be filtered) and boil completely. When the coffee powder is soaked in boiling water, the temperature of the boiling water will drop to about 90 degrees, and then filtered into the coffee pot will become about 85 degrees. After adding sugar and milk, the drinking temperature is about 60 degrees, that is, the appropriate temperature at which the coffee tastes the most delicious. In order to maintain the proper temperature of the coffee
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Grinding Technology of Coffee beans
Coffee powder in the Middle East, people still use the method of mashing beans into particles of different sizes, but when most people have gradually used bean grinders, Bella-Shavalin personally made an experiment on whether it is better to mash or grind. For public trust, and at the same time invited gourmet connoisseurs to taste the two kinds of coffee, in the end, everyone thought that the mashed coffee powder was better than grinding.
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The knack of grinding coffee beans
Coffee powder the grinding props for coffee beans are grinders. There are numerous types of mills ranging from manual at home to large electric ones for business. Household grinders can also be used as decorations, and the number of people need more than one grinding, or electric to facilitate. According to the structure of the grinder, there are the grinder that uses the vertical and horizontal groove edge to cut the coffee bean and the grinder that grinds the coffee with molars.
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There are three kinds of methods for grinding coffee beans.
1. Grinding: two rotating parts are used to squeeze and crush coffee beans. The grinding parts can be disc-shaped or conical. Conical machines are less noisy and less likely to block. The coffee powder produced by the grinding method is more uniform and the taste is more consistent when cooking. The design of the conical grinding disc reduces the required speed, which is generally less than 500 revolutions per minute. Research
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Drinking coffee may not cause the risk of high blood pressure
Hypertension and heart
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Advantages and disadvantages of drinking coffee drinking coffee with sugar is good for the brain
According to foreign media reports, a new Spanish study published in the journal Human psychopharmacology: clinical and Experimental Medicine has found that drinking coffee with sugar is good for the brain and can improve memory and attention span. Scientists at the University of Barcelona in Spain have found that eating caffeine and sugar at the same time can improve the efficiency of the brain than eating caffeine or sugar alone. Caffeine and food
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The benefits of drinking coffee reduce the risk of prostate cancer
Compared with non-drinkers, people who drank six or more cups of coffee a day had a nearly 20% lower risk of prostate cancer over the past 20 years, the researchers found. Scientists at Harvard University followed 47911 men who regularly reported their coffee consumption. More importantly, compared with non-coffee drinkers, people who drink a lot of coffee suffer from fatal prostate disease.
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Moderate drinking coffee is the key to both advantages and disadvantages of coffee.
Fact 1: coffee is good for your health. Doctors say that coffee has both advantages and disadvantages, so moderate consumption of coffee is the key to benefit from it. Studies conducted by American biologists have shown that drinking two to three cups of coffee a day is more than enough to protect the heart, and if you are overweight, they can also increase metabolism and even reduce your appetite. Coffee contains the same amount as green tea
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Basic knowledge of boutique coffee physiological effects of coffee on human body
Coffee brings a lot of health to people, the principle of coffee and the contents of health preservation are briefly introduced as follows: 1. Coffee can play an antioxidant effect on the human body. Coffee is rich in caffeine, caffeic acid, chlorogenic acid and other ingredients. It can effectively eliminate free radicals in the body and repair aging cells and tissues of the body. 2. Coffee contains polyphenol compounds, which can protect the heart.
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Coffee can also be in good health. drinking coffee is both healthy and healthy.
Coffee is the most popular drink in the world. People like coffee more and more, whether at home or in the office, people drink coffee is a kind of feeling, is a kind of fashion, is a kind of leisure, is a kind of culture. But have you ever heard that coffee can also keep you healthy? In Australia, tests on some track and field athletes who consume a small amount of caffeine show that they can withstand the training
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Calories in coffee, fat in fancy coffee
In the hot summer, we enjoy coffee delicious at the same time, beware of excessive calorie intake, if you want to drink coffee, first understand the calories contained in various coffees, you can choose a low-sugar, low-fat, low-calorie coffee. Espresso coffee is generally brewed Italian coffee, which is brewed by using the Mocha pot invented in Italy. This coffee pot also uses steam pressure.
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Benefits of drinking coffee drinking coffee can reduce common skin cancer
According to recent foreign media reports, a new study announced at the 10th International Conference on Frontier areas of Cancer Prevention and treatment, sponsored by the American Association for Cancer Research (AACR), found that drinking coffee can reduce the risk of basal cell carcinoma (BCC, one of the most common types of skin cancer, also known as basal cell epithelioma). This prospective study investigated coffee drinking
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Coffee refreshing time, take a nap for 15 minutes after drinking coffee has the best awakening effect.
In order to relieve drowsiness during long-distance driving, many people will park their cars on the side of the road to take a nap or have a cup of coffee to refresh themselves. Now sleep experts give advice to drivers who are about to drive long distances according to a new study: the best way to regain strength is to combine napping with drinking coffee, and in a different order than people think, experts suggest that it is best to drink coffee before taking a nap. This is due to the help of a short period of sleep
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Eating fast food and drinking coffee are twice as harmful to blood sugar.
The pace of modern life is very fast, and many busy office workers often have a cup of coffee and a fast food for lunch. Drinking coffee while eating fast food can double the damage to blood sugar, according to a new study from Guihu University (University of Guelph) in Canada. The study was published in the journal Nutrition report. The study found that eating fast food high in saturated fat and drinking coffee at the same time
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Grading and classification of coffee beans
Coffee beans are graded first by size and then by density. With two exceptions, all coffee beans have a considerable size and the same proportion, with flat on one side and semi-oval on the other. The special cases are pea-shaped coffee beans that tend to be more oval in shape and giant coffee beans with large particles (that is, Marragol peel coffee beans). The prices of these two kinds of coffee beans are always higher.
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The skill of grinding or shelling coffee beans
Coffee beans should be ground before they are exported, that is, the endocarp of Arabian and Robbite coffee beans to be sold should be removed. The residual shell of coffee beans after removal and cleaning of endocarp and drying process is also known as peeling or peeling. It is more difficult to remove the endocarp of coffee beans during wet treatment than during drying, so different methods are needed.
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The treatment of coffee beans the drying method of coffee beans
After the wet treatment, the coffee beans are still preserved in the inner pericarp, which still contains about 15% water. The endocarp must be dried to a moisture content of about 11% to ensure that coffee beans are stored in a stable and safe environment. Water content is critical, because if Arabica beans are overdried to a moisture content of 10%, they will be lost
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Wet treatment of coffee beans processing methods of high-quality coffee beans
There are two ways to prepare coffee beans for the baking process. The method chosen has a significant impact on the final price and quality of coffee. The cheapest method of processing is called drying, which is used for lower-grade coffee beans, while higher-quality coffee beans are processed by wet treatment. The wet treatment process requires more capital investment and more energy, but it helps to ensure
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