The Vancouver Indy Coffee Scene

Is the most likely kind of coffee you drink when you follow the instructions to “add hot water and stir”. Discovered in Africa, robusta beans come from the Robusta trees and are more “robust” and are less susceptible to insect infestation and disease.

In contrast to the Arabica bean, the Robusta is relatively new to the coffee industry but its role is significant. It is a hardy bean with high yield and has the ability to grow at lower altitudes. These attributes make it cheaper to produce. This makes them ideal for blending with aracbicas and for use in instant coffee. For those who crave caffeine more then flavour, robustas have twice the kick of arabicas.

This aroma descriptor includes terms associated with odours reminiscent of deterioration and oxidation.  Rancid is the main indicator of fat oxidation and mainly refers to rancid nuts.

Author’s note:
I have also found that if machines are not cleaned properly, or ever, then you can have a rancid flavour to even the most basic cup of coffee regardless the roast.