The Ultimate Coffee Glossary


What does Pulping mean?

Pulping is a critical step in the wet-processing of coffee, where the coffee cherry's outer skin and fruit pulp are removed from the bean. The process involves feeding ripe coffee cherries into a machine that uses friction and water to remove the fruit and expose the parchment layer surrounding the beans. This parchment layer is then cleaned and dried to prepare it for export.
Pulping is typically carried out within 12 hours of the coffee being harvested, as the quality of the coffee can deteriorate rapidly if left too long. Proper pulping requires the use of clean water, with a pulper adjusted to the appropriate settings, as the amount of pulp removed can impact the quality of the coffee. Over-pulping can lead to bean damage or result in a lower-quality cup, while under-pulping can leave too much pulp on the parchment, causing fermentation issues during the drying process.
The quality of the coffee depends heavily on the quality of the pulping process, which is why it is crucial to ensure proper pulping techniques. Additionally, the environmental impact of the pulping process must also be taken into account, as the wastewater generated from the process can harm local ecosystems if not properly treated.
Overall, pulping is an essential step in the production of high-quality coffee, and understanding its impact on the final product is critical for coffee experts and professionals alike.
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