Why is it recommended to grind coffee beans when drinking coffee?

Coffee Brewing Quiz

Coffee beans of the same batch and same number of grams are bagged separately. Bag A of whole beans is not ground, bag B is ground and bagged, and left in the same environment for 10 days before brewing.

Bag A: When drinking, the ground coffee beans have sufficient bubbles, obvious expansion, overflowing aroma, and mellow aftertaste.

Bag B: The air contact area of coffee powder that has been left for a long time becomes larger, and it is easy to get damp. The taste is light and not strong enough.

Product parameters

Rated voltage/power: 3.7V/13W

Battery specifications: 3.7V, 1250mAh

Maximum charging current: 1A

Grind weight: 25g coffee beans

Powder bin capacity: 120ML

Packing List:

1* Coffee Grinder (Host)

1* Cleaning Brush

1* USB TYPE-C Charging Cable