18 pieces of cold knowledge about coffee

A cup of coffee will lose 70% of its flavor in 2 minutes, and the following knowledge is definitely enough for you to hold your eyebrows for 2 minutes.

Coffee is one of the most popular drinks in the world. Although it is very popular, many people don't know it very well. Here are 19 little secrets behind coffee. You'll know where it comes from, how much water it takes to grow a pound of coffee, and the past life of Kopi Luwak.

1) Coffee is said to have been discovered by shepherds

The most widespread story is that an Ethiopian shepherd named Kaldi found his animal excited after eating ripe coffee beans.

2) the name Mocha comes from the Yemeni port of Mocha.

Muha is the first port city in the world to export coffee beans to the world. It is said that Yemeni coffee beans have the quality of chocolate, which makes coffee containing chocolate now called mocha.

3) two major coffee varieties: Arabica and Robusta

Robusta is more productive, more resistant to disease and higher in caffeine. Arabica has higher lipids and nearly twice as much sugar as Robusta, so it has more acidity and more complex flavors. Cheap coffee is more likely to use Robusta, while boutique coffee uses Arabica. There is also a more detailed classification of these two types of coffee. The two main varieties of Arabica are bourbon coffee (Bourbon) and Typica coffee.

4) Coffee trees need a lot of water

People always talk about how much water it takes to produce beef, but according to FoodBev.com, it takes 1800 gallons (6814 liters) of water for a pound of beef and 2500 gallons (9464 liters) for a pound of coffee.

5) Coffee beans can be classified by color

It is green at first, and when they begin to mature, different colors will turn yellow, orange or red.

6) thousands of precious species unique to Ethiopia

The coffee we drink comes from several different kinds, but there are thousands of different varieties of coffee in the forests of Ethiopia, none of which have been grown on a large scale.

7) A coffee tree can live for more than 200 years

When it begins to sprout, the top buds are very lovely, but eventually grow into dense plants and survive for two centuries.

8) roasters often buy coffee reserves for one year at a time

Coffee growers usually pick coffee once a year (some twice a year), so roasters buy coffee reserves for a year at a time, usually through special storage techniques to keep the coffee fresh. Although green coffee beans are kept in the warehouse for months, they are usually taken out of the warehouse on the day of baking.

9) Kopi Luwak is true

Asian raccoons are known to eat wild coffee fruits. The coffee fruit is fermented in their digestive tract and then excreted. It is generally believed that this process gives coffee an incredible flavor, but the limited quantity makes them very expensive.

If you don't think this is rare, elephants are doing the same thing in a reserve in Thailand: black ivory coffee (Black Ivory Coffee).

10) the United States is the largest coffee consumer in the world

The first place is the United States, and Germany is the second.

You can drink the best coffee in the world at a very low price

Coffee is really special in the commodity, because even the most expensive coffee becomes very cheap to take home and brew. Maybe Bill Gates drinks more expensive wine than you do, but you can drink the same coffee as the richest man in the world!

12) when the appraiser tastes the coffee, he always takes a big drink.

In order to have a comprehensive understanding of the flavor of coffee, appraisers will drink coffee and let it flow through the whole mouth, because different parts of the mouth have different sensitivity to different tastes. The tongue corresponds to sweetness and bitterness at the back of the throat.

13) there are technical terms for coffee flavor

The American Fine Coffee Association (Specialty Coffee Association of America) has created a flavor wheel (flavor wheel) for bakers to assess the features and shortcomings of boutique coffee, including positive comments such as "apricot flavor" or "roasted chocolate flavor" and negative reviews such as "hardening" or "straw flavor".

14) Coffee has more flavor than wine

There are about 1500 aroma characteristics of coffee, while only 200 are found in red wine.

15) the word Espresso does not mean fast

The word comes from Latin, which means "put." Squeeze it out. And don't pronounce it with an "X" unless you want to annoy the coffee maker.

16) Espresso contains less caffeine than freshly brewed coffee

People at Coffee Chemistry analyzed the data: the amount of caffeine in an 80-ounce (236.6 ml) cup of coffee is about 2.3 times that of a 1-ounce cup of Espresso. Espresso has more caffeine per unit volume, but a smaller volume means you can be less excited.

17) Grinding is a necessary part of making coffee

Picked coffee beans will quickly deteriorate, so if you want to make a cup of coffee as strong as possible, buy the beans and grind them at home. Coffee shops often spend thousands of dollars on grinders to ensure correct, accurate and highly adjustable grinding granularity.

18) Coffee loses 70% of its flavor in two minutes

According to the standards of official coffee experts, the coffee will change after 15 minutes.