Many people are blissfully unaware of all the elements that go into making the perfect-tasting coffee for them. The amount of coffee that is put in and the pressure with which it is compacted into the portafilter, the temperature match for the type of coffee, the exact time and steam pressure that the milk is frothed with … this is only a small portion of the list! So it’s understandable that coffee aficionados want to make sure that their reusable coffee cup or eco coffee cup doesn’t sabotage the taste of the precious roast within. Today we explore how your eco cup or ordinary cup interacts with your coffee.

Non-Porous vs Porous Materials
The most important aspect of your eco coffee cup material is its porousness. Porous materials will both change the taste of the coffee, and be changed by the coffee in turn. They are not a good long-term solution for reusable coffee cups! Non-porous materials for eco coffee cups include:

  • Ceramic – the ideal choice, but also very fragile
  • Polypropylene – there are barista-standard polypropylene eco cups available

Particular Materials
However, not all non-porous materials are suitable for coffee making, or as the base for eco cups. For example, aluminium cups invariably have a metallic taste. Even aluminium frothing jugs can often be tasted in the final coffee.

Cup Shape
Did you know that the width, depth, style and interior angles of a coffee cup can also impact on the consistency of crema?! The interaction of turbulence and surface tension in the cup can create more or less crema on top.

Enough is Enough!
However, much like the difference between gold-plated stereo cables and two-dollar copper wires, the difference between certain coffee cup materials and shapes is only apparent to the top 0.1% of coffee experts. So … make sure you’re using one of the recommended eco cup materials and a relatively standard shape, and given a good barista your morning mug has every chance to be bellissima!

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