From:  Application of hyperspectral imaging techniques for sorting coffee beans

 Sample composition of coffee discarded—second selection.

DescriptionQuantity (g)Percentage of sample (%)Number of unitsPercentage of contaminant (%)
Coffee no defects562.315.62--
Peel8.340.089111.93
Coffee dotted47.410.4733622.06
Stone0.000.0000.00
Total618.066.17--