1) Coffee beans are the raw material of black coffee. There are hundreds of kinds of coffee beans, and the price varies with the variety, origin and grade.

2) Choose 100% high-quality arabica beans for hanging ear coffee.

2. Different manufacturing processes

1) hanging-ear coffee is a single coffee bean that is freshly roasted, ground and bagged without adding anything. Freshly roasted coffee beans are professionally ground into powder, then put into ear-hanging filter bags, and then put into aluminum foil outer packaging bags for heat sealing.

2) There are three ways to make black coffee:

(1) The traditional filtering method is the most primitive and simple tool. Coffee pot consists of a funnel, a filter paper and a container below, but it requires high manual skills. If you grasp it properly, you can cook the best coffee with mellow taste.

(2) The filter coffee pot is suitable for coffee drinkers with stable hand feeling and sharp taste.

(3) Siphon uses the siphon principle. Under the combustion of alcohol, when the water temperature in the lower container reaches 92℃, the water flow and coffee powder are sucked into the upper container. After soaking and stirring, the coffee returns by the original way.

3. Black coffee without anything.

Both ear-hanging coffee and black coffee are unmodified coffee, and black coffee brings the original feeling of tasting coffee. Black coffee combines the characteristics of sweet, sweet and bitter taste of coffee.

Extended data:

Black coffee has always been called "the messenger of health", and its effects on health mainly include:

1, refresh

Caffeine stimulates the central nervous system, which can make the mind more sober, rich in thinking ability, pay attention to concentration and improve work efficiency.

2, appetizing digestion

Caffeine stimulates gastrointestinal secretion of gastric acid, which can promote intestinal peristalsis, help digestion, prevent gastroptosis, and also has the function of rapid defecation.

3. Dewatering through the orifices

Caffeine can promote renal function, expel excess sodium ions from the body, increase urine output, and improve abdominal distension and edema.

4. Promoting blood circulation and removing blood stasis

Linoleic acid contained in coffee has the functions of hemolysis, preventing thrombosis, enhancing vasoconstriction, relieving migraine and reducing the probability of stroke.

5, weight loss effect

Drinking coffee can reduce weight, and the best time to take it is 30 minutes after lunch to 1 hour, before going to work. Drinking a cup of black coffee without sugar and walking can promote fat burning.

Baidu encyclopedia-black coffee

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