What is the main basis for the quality grade of coffee cups?
Coffee beans from all over the world, after different processing methods, have formed a variety of flavors and styles of coffee drinks. Tasting coffee is like tasting wine, there is a set of clear and clear methods.
The quality grade of coffee is mainly evaluated according to the number of defects of coffee beans and cup products. If the total number of defects is not up to standard, the sample will not be cupped. The defective bean standard and cup method of each company are different, but the index of cup product is the same.
Coffee cups are brewed with a quantitative container (150ml) and a quantitative baking degree of freshly ground coffee powder (12Mel 15g) and hot water (92Mel 96 °C). The number of people participating in the cup should be more than 4. During the cup, the samples were scored independently and quietly, and finally a comprehensive score was obtained for the samples.
Different varieties and producing areas have different taste of coffee, each sample mainly from the aroma, flavor, acidity, viscosity (mellow, thick), aftertaste, sweetness, balance, consistency, cleanliness to determine the comprehensive taste.
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How to make coffee Technical requirements for home brewing coffee
First of all, coffee should not be boiled, but brewed. There are several points to pay attention to when making coffee at home: 1. Different coffee powder practices are different. Generally, you can ask the shop assistant who buys coffee. 2. When the water temperature is 92 ° C-96 ° C, it is appropriate to use a small household coffee machine, coffee should pass through filter paper or filter net, generally speaking, 175 ml coffee can be brewed with 10 grams of coffee powder. Of course,
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Eight kinds of people who can't drink coffee.
1. High blood pressure: coffee contains caffeine, which can raise blood pressure in some sensitive patients. two。 Renal failure: if patients with renal failure have the phenomenon of hyperkalemia, they need to cooperate with a limited potassium diet, and the coffee contains high potassium. 3. Peptic ulcer: caffeine stimulates gastric acid secretion and relaxes the smooth muscle vessels of the digestive system, accelerating food metabolism and reducing the nutritional value of food. 4. Diabetes: coffee
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