Coffee Storage
Okay, then how does one avoid roasting past crop, or aged, coffee? Roasters can avoid this by moving through all of the crop of green coffee they bought, or choose to freeze the remainder of their green coffee to preserve freshness and roast at a later date. It is important to note that green coffee, when frozen, should be completely sealed and in a freezer only with other green coffee, otherwise the coffee could take on flavors from whatever else is in the freezer. Coffee stored on deck for roasting is usually stored in large polyethylene bags within burlap sacks, but sometimes it is stored only in burlap bags. Coffee, when stored in these polyethylene bags and/or in burlap sacks, can take on the flavors of the bags they are in (plasticky, papery, burlap). This effect is accelerated when the coffee is stored in these bags in an area without temperature regulations.Coffee harvest seasons in Colombia
Although Colombian terroir (the characteristics imparted on the coffee from the soil and environment in which it was grown) creates coffee on the whole characterized by a medium body with slight viscosity, a varying intensity of citrus acidity (depending on the altitude), higher cup sweetness and clarity, Colombian coffee comes in many varieties, or genetically distinct variations of a species of coffee. In this case, Colombian specialty-grade coffees are subspecies of the species Arabica. Colombian coffee varieties most commonly found include, but are not limited to:Brief history of coffee and coffee processing in Colombia
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Main sources:
cafedecolombia.com
sabores.co.za