The food law requires on every package an expiration date. Specifying the Röstdatums would having coffee meaningful because coffee even after years of storage is hardly toxic and harmful.
We legislate conditionally 12 of months, which is not what our philosophy is! Example:. If the expiration date 01.12.2017 subtract 12 months and get the roastday: 01.12. 2016.
Coffee is a fresh product and should optimally 3-6 weeks after roasting be in the cup in order to exploit all its characteristic qualities can.
After roasting the coffee at least one week should, or longer in the airtight package at about 15 degrees (wine cellar) have time to outgas. In this process the beans CO2 eliminated. This gas displaces oxygen from the pack. So the coffee is in its own CO2, protected from oxygen, because the enemies of the coffee are heat, oxygen and time.
A swelling of the package is normal.
Can coffee frozen be?
Yes, the best alternative if coffee is to remain preserved and fresh for a long time!