How long can I stop drinking freshly ground coffee?

Freshly ground coffee can't be drunk after being stored for about two years.

Freshly ground coffee is generally coffee ground from coffee beans. This kind of coffee is very pure. If it is properly preserved, it can be kept for about two years, but it can't be kept for long. Once it exceeds two years, there will be a risk of deterioration.

Coffee beans contain about 100 different substances, including caffeine, tannic acid, oil and nitrogen compounds. Every100g of instant coffee contains 44 ~100g of caffeine; Every 100g of brewed coffee contains 64 ~ 124mg of caffeine. Moreover, coffee trees are native to the plateau areas in southwest Ethiopia, Africa. It is said that more than a thousand years ago, a shepherd found that sheep ate a plant, became very excited and lively, and then discovered coffee.