Does freezing green coffee impact roasting and it's resulting flavours?
We decided to try it for ourselves; with Gesha Village coffee. It might be a bit extreme, but the higher complexity and subtle flavours of this coffee will allow us to better gauge and taste if there is any true impact from the freezing.
From George Howell to Christopher Hendon, the subject of freezing green coffee has become increasingly popular in the last few years. Whether freezing in a roasted or unroasted state, this topic still has much scientific research waiting to be carried out.
Coffee Used: Gesha Village Auction Lot GVA.20
Variety: Gesha 1931
Altitude: 1931 - 2040masl
The coffees were separated into 2 batches, one left in our greens storage room kept at 24°C while the other was stored in a freezer at -18°C. Both batches...