SortingCoffee is sorted by size, density, and color in its preparation for export.: Sorting refers to several steps performed in the preparation of coffee for export. Coffee is... coffee by removing beans that have a color that indicates a defectIn coffee, a defect refers to specific preparation problems with the green coffee, or a flavor problem found in the cupping process. Bad seeds in the green coffee.... Color coffee sorting is often done by an optical sorting machine, which has a high speed camera that watches a stream of beans and actuates a jet of air to remove off-colored beans. Most high quality coffee also involves hand color sorting, which is traditionally done by women sitting either at conveyor belts or at tables.
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