Gradation of coffee beans

In international trade the green coffee beans are commonly used due to their suitability for long-term storage in contrast to roasted and especially ground coffee.

Unfortunately, there is no universal grading system of coffee beans. Each country producing coffee has its own system, which generally include following requirements:

  • Coffee beans species (Arabica or Robusta),
  • Growing region,
  • Processing method,
  • Size,
  • Amount of defective beans,
  • Number of impurities, 
  • Humidity.



  • Interesting facts...

    Voltaire drank 50 cups of coffee a day and lived till a venerable age of 83 years. He died of prostate cancer, suffering of severe pain during the last few years, which he tried to soothe by taking op...

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  • Classification...

    The samples should be taken from each delivered bag. After sampling, the coffee from different deliveries is laid together and ready to undergo the further processing for quality improving. The produc...

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