How many of the 6 secrets of coffee do you know?

The reason why it is called coffee beans is because of their similar shape. In fact, coffee beans are the seeds of the Rubiaceae plant - coffee tree. After the seeds are roasted, they become the common brown coffee beans.

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Many people choose espresso to deal with sleepiness. But in fact, espresso contains less caffeine than brewed coffee. The longer the coffee beans are in water, the higher the caffeine leakage rate.

The extraction time for drip coffee is about 1 minute, for hand brewed coffee it is about 2 minutes, and for espresso it is about 30 seconds. So, the stronger the coffee, the more caffeine it contains.

As smart as I am, I use both!

Among the nutrients needed by the human body in a day, a cup of coffee contains 11% riboflavin (vitamin B2), 6% pantothenic acid (vitamin B5), 3% manganese and potassium, 12% hydrochloric acid, and 4% magnesium.

Next time someone says coffee is poison, I will refute him like this!

Under a microscope, you can see that caffeine (pictured above) is a long hexagonal crystal with irregular outlines! It's colorful and beautiful!

If it were me, I would immediately collect the picture and post it on my Moments!

The most expensive coffee in the world is not cat poop coffee, but elephant poop coffee . A cup of elephant poop coffee costs about $50 (about RMB 310).

Caring for Animals

In 1991, a scientific team at Cambridge University set up a web camera to check if there were any coffee beans left in the office. The picture above is the actual image at that time.

Knowledge is power! I'm going to study hard~

The above 6 secrets about coffee that are not secrets,

How many do you know?

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