What Is Espresso?
majority of coffee experts considers brewing coffee fast and under
high pressure the ideal process to extract maximum flavor and
aroma from your coffee. The high pressure and the short brewing
time prevent the extraction of bitter oils and release less caffeine
than other brewing methods.
you use this technique and brew one to two ounces of coffee it
is considered an espresso. When the grinding, the tamping and
the pressure brewing all come together in the right combination
your espresso will always feature a foamy layer on top, called
"crema". The crema traps the fine aromatics and the
light gaseous flavors that register on the palate. It keeps the
flavors, which would other wise escape, locked in. The crema is
the hallmark of a well prepared espresso.
is the result of the packed (tamped) coffee giving the water resistance
to pass through. The pump forces the water through that resistance
and the power it needs to do so is commonly measured in bar (=
kg per square centimeter). Good pumps should be able to withstand
more pressure than they need to produce perfect espresso so that
they dont break when the conditions are not perfect. A good
pump has a capacity of 15 bars or more.
produce a lasting crema on top of your espresso the water should
pass through the coffee at approximately 7 to 9 bar of pressure.
If the pressure is lower, the crema will disappear before you
can enjoy your coffee and the coffee will taste thin and watery.
This is mostly the case when there is too little coffee in the
filter holder or brewing chamber or if the coffee is too coarsely
ground. If the pressure is higher than 9 bars, the coffee will
taste bitter and the espresso will have no crema on top. This
is mostly the case when the small metal sieves are dirty or clogged
or when the coffee is ground too fine.
offers five machines on the pump principle and a starter machine
on the steam boiler principle.
only semi-automatic pump coffee/ espresso/cappuccino with automatic
tamping and used coffee removal technology.
modern pump espresso machine with a stainless steel lined thermo
block (same design as EspressoPRO) but with the traditional frothing
technology as #113 in all black. A great value!
safety espresso/cappuccino machine with steam boiler technique
and easy "how-to-cappuccino-video".
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