Processing of coffee by wash/wash process includes various processing steps like harvesting, cleaning, pulping, fermentation, drying and storage. Individual processing steps should be carefully performed to avoid any chances of contamination and to prevent damage during processing.
Harvesting and cleaning:
1. For preparation of coffee by wet process, only ripe coffee beans should be harvested.
2. If over ripe or green cherries are harvested, should be stored out on a clean surface.
3. Clean bags should be used for collection of harvested cherries
4. Where fertilizer or cattle feed bags are used, they should be washed thoroughly in running water many times before being used. Read more