If you want to brew the perfect espresso, you have to take many things into account: From the right water temperature to the throughput time to the correct pressure and the optimal grain size, various parameters have to be coordinated. As researchers at the University of Oregon have now discovered, another aspect that is often neglected should be taken into account. It comes into play during the grinding process: coffee beans that are moistened immediately before grinding are easier to grind, A research group led by the chemist Christopher Hendon reports on this in the journal Matter.
Moisturized coffee beans produce finer espresso – knowledge
