Basic knowledge of how to distinguish between good and bad coffee
Because coffee contains caffeine, it can excite the central nervous system of the brain, refresh and eye-catching after drinking, eliminate fatigue and drowsiness, and improve work efficiency. Coffee has a unique aroma and color, giving people the enjoyment of color, aroma, taste and so on. Therefore, coffee is deeply loved by the masses and has become one of the main drinks in people's daily life.
(1) varieties
Coffee is made from coffee beans, selected, blended, weighed, roasted, cooled, crushed and packaged. The appearance is granular and mixed with some fine powder. Drink it with cooking. The varieties made are called pure coffee, those with sugar are called sugary coffee, and those with milk powder are called milk coffee. Instant coffee is made from juice and sugar extracted from coffee and concentrated in vacuum to form crystal particles. It can be brewed at any time and is convenient to drink.
(2) quality requirements
① color: dark brown.
② aroma: it has the unique aroma of roasted coffee.
③ particles: irregular particles about 2 mm in size.
(3) specifications and shelf life
① specifications: there are two kinds of pure coffee, one is tinplate with 227g (half pound), and the other is plain paper bag, 25kg. Instant coffee is packed in small bags, one cup each.
The shelf life of ② finished products: one and a half years after packing. Bagged for three months.
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How to identify the basic knowledge of instant coffee
Coffee is Rubiaceae shrub, coffee tree fruit seeds, semicircle with grooves, fried into coffee powder, brown with special aroma, coffee powder can be drunk after boiling, if the juice is concentrated and then dried into instant coffee. Fake and shoddy coffee is mixed with chicory root powder in real coffee, or roasted and crushed grains and beans. Real coffee contains caffeine and has a special aroma. Inferior quality
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Basic knowledge of how to choose and buy coffee cups
In the face of the dazzling variety of cups on the market, we often don't know how to start. Is there any difference between coffee cups and other cups? Which cup should I use to drink what kind of coffee? When buying cups, most people are often unable to correctly distinguish the difference between coffee cups and black tea cups. Usually, the bottom of the black tea cup is better in order to spread the aroma of black tea and to appreciate the color of black tea.
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