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.
- Prev
Smell the fragrance and watch the color to teach you to taste coffee gracefully
You can add a little sugar and milk to pure black coffee, or you can add spices such as cinnamon to your coffee in European style, as in Africa and Arabia; if you are not used to the bitter taste of coffee, you can also add some juice you like to your coffee.
- Next
Look at the news and ask for the purchase of high-quality coffee beans.
Smell, of course, is the smell of coffee, especially under the condition that bags of coffee are not allowed to be opened, smell plays a particularly prominent role in judging the freshness of coffee beans. Since the production time printed on the coffee bean packaging is generally the packaging time, rather than the real baking time, whether the coffee is really fresh and whether it is properly preserved depends on the smell.
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