How to make lyophilized coffee

Freeze-dried coffee is an instant coffee obtained by freezing a liquid product and removing the ice by sublimation.

The preparation conditions of the lyophilized coffee tablet are as follows: the leaching temperature is 90 ° C, the leaching time is 12 min, the ratio of material to liquid is 1:15, the extract is concentrated to 65% concentration, and the aliquot is placed in a freeze dryer at -36 ° C or less. Dry in vacuum for more than 20h.

The prepared lyophilized sheet has a smooth surface, a complete sheet shape and pure flavor, and is convenient for drinking at home, traveling, office and drinking water, and has broad market prospects.