First of all, what is this popular beverage called espresso? The word espresso is derived from the Italian word meaning express as because espresso is ordered by and delivered quickly to the customer. Best espresso must taste sweet with a strong aroma whose flavor is like a freshly ground coffee.
The wonders of modern science have made it possible for people to make their espresso using coffee espresso machines at home – instead of having to just visit commercial coffee houses for it. Before, coffee houses have to employ professional baristas to brew each cup of coffee for their customers. Now, people can just buy a commercial espresso machine to enjoy their coffee at their convenience.
How does one select the best espresso coffee machine for their purposes? Ideally, consumers should test-run each espresso machine and judge each of the different devices based on the coffee taste, build quality, features, and ease of use. However, since this is not practical, consumers can only rely on testimonials from their friends or turn to the reviews published by popular coffee aficionado magazines. They can also go to the stores and window-shop, asking pertinent questions from salespeople to get the best buy.
So how does an espresso coffee maker work? An espresso machine shoots out water that is 90 degrees Centigrade hot or at a temperature of 195 degree using 9 bar of pressure into a puck of freshly ground coffee. The oils in the finely ground coffee are thus extracted and emulsified to create that rich, nearly syrupy liquid.
A machine can ideally churn out a double shot of espresso within 25 to 30 seconds from when its pump is initially switched on. The amount of time necessary can be adjusted by putting in the coffee that is either of a finer or coarser blend. Or you can always change the tamping pressure.
Individual espresso machines are combination devices that rely on a steam wand to create milk-based espresso beverages like the cappuccino and latte. The machine brews and then froths milk to produce these drinks.
There are various kinds of espresso coffee machines, which include the pump-driven machine, piston-driven machine, steam espresso machine, stovetop machine, automatic espresso maker and lastly the super automatic espresso machine.
The key to a good espresso is using an excellent espresso blend. Coffees must be specially blended to produce the smoothness, aromatic and sweetness inherent in a good espresso. However, the blend must be freshly ground and brewed within four days from roasting.
Another element of making a good espresso is that the espresso must be roasted light so that its aroma will not be lost. Darkly-roasted espresso produces a bitter liquid that will taste like charcoal. You must filter water used for brewing since if the water tastes weird, it can then affect the outcome of brewing. Make sure that the espresso machine you selected can maintain water temperature between 92 to 96 degrees Centigrade to assure a consistent espresso.
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