Instant coffee can be divided into high-temperature spray drying (that is, ordinary instant coffee) and low-temperature freeze drying (that is, freeze-dried coffee).
Processing technology of freeze-dried coffee;
Coffee beans need to be roasted first, but unlike the re-roasting of ordinary instant coffee, most companies may retain more flavor and aroma. At present, many excellent freeze-dried coffee companies will choose Arabica beans with better quality (which increases the cost invisibly). Then it was extracted with water at 90℃ and concentrated to 65% concentration (evaporated water).