Parchment (Parche)

Parchment (pergamino in Spanish, parche locally) is the thin cellulosic husk that envelops the green coffee bean after depulping. During wet processing, the parchment-covered bean dries to 10-12% moisture before being hulled and milled to reveal the green bean. Parchment provides protection during drying and storage. In wet-hulled Indonesian processing (Giling Basah), parchment is removed at high moisture (25-30%), distinguishing Sumatran profiles from other washed coffees.

Background & Context

Parche (Spanish: parchment) is the papery outer hull that encloses the coffee seed after depulping and fermentation in the washed process — the equivalent of the English term "parchment" and the French "parchemin". In Spanish-language producing countries (Colombia, Costa Rica, Guatemala, Honduras), coffee is commonly traded in its parche state: after wet processing, the parchment-covered seeds are dried and stored as "café en parche" (parchment coffee) before milling. This storage form is agronomically advantageous because the parchment layer provides mechanical protection and moderates moisture exchange during storage — preventing rapid drying or rehydration that can stress the seed. Coffee in parche is more stable during transit and storage than hulled green coffee (oro), making it the preferred form for producer-level holding and cooperative accumulation before export processing.

Practical Use

For specialty buyers understanding Colombian coffee supply chains, the parche stage is critical to quality management. The best Colombian specialty coffees are stored as parche for 1–3 months after harvest while awaiting a favourable export window or minimum quantity accumulation — during which the parche's protective layer allows controlled degassing and minimal oxidation. Cooperatives with properly managed parche storage (cool, dry, ventilated warehouses, moisture monitoring) produce more consistent green quality than those that rush to hull immediately after drying. When a producer quotes "café en parche" pricing, converting to export-grade green equivalent requires applying a yield factor (typically 75–80% conversion from parche weight to green weight after hulling and sorting).

Related Terms

Related terms: Parchment, Washed process, Depulping, Drying, Colombia coffee.