From:  Application of hyperspectral imaging techniques for sorting coffee beans

 Sample composition of coffee discarded—first selection.

DescriptionQuantity (g)Percentage of sample (%)Number of unitsPercentage of contaminant (%)
Coffee no defects988.389.88--
Peel59.810.6065285.45
Coffee dotted146.151.461,03668.02
Stone35.120.3533100.00
Total1,229.4612.29--