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Blog » Food, Drinks and More » Coffee » About Coffee » Coffee Beans & Blends » From Harvest to Cup How Coffee Is Made
From Harvest to Cup How Coffee Is Made

From Harvest to Cup How Coffee Is Made

Coffee starts its journey as a plant. It must pass through a number of stages and travel thousands of miles before it can be drunk. From Harvest to Cup How Coffee Is Made?

This is how Coffee Is Made From Harvest to Cup:

Harvesting

Coffee beans come from the red cherries of the coffea bush. Each cherry usually contains two seeds, also known as coffee beans.

The exception to this is the Peaberry, where only one bean is produced.

The flavour a bean produces is affected by where the coffea bush is grown. Soil, climate and altitude all alter the way coffee tastes; this is why, for example, all coffee from Columbia will differ in taste from region to region and from year to year.

Coffee Bean Varieties

Coffee Bean Varieties

There are four main types of coffee beans. But most coffee comes from two species of the coffea bush: Coffea arabica, simply known as ‘arabica’; and Coffea canephora var. robusta, simply known as ‘robusta’.

Robusta beans are cheaper to buy than arabica beans because they produce coffee with an inferior flavour, containing more caffeine.

Pulp and Skin Removal

When the red cherries have been harvested from the coffea bush, the outer layers of pulp and skin must be removed to reveal the green coffee beans inside.

There are two common methods of doing this: the ‘natural’ or dry method, and the ‘washed’ or wet method.

Natural

The natural process of removal tends to give coffee a full-bodied yet mild aroma.

The cherry is simply left to dry out in the sun for up to four weeks. During this time, the pulp and skin become shrivelled and can then be easily removed.

  A Guide To Single Origin Coffee

Washed

The washed process yields strongly aromatic coffee, with a fine body and a lively acidity.

The method involves removing the outer pulp by using a mechanical pulping machine before the cherry is immersed into a fermentation tank for between 12 to 32 hours, after which the remaining pulp and skin are washed off revealing the green bean.

Finally, the bean is left out in a sunny area for between 12 to 15 days to dry.

Grading

The coffee beans are then sorted and graded by size and density. Generally, the larger the coffee beans, the better the coffee. The largest bean currently harvested  is known as ‘Maragogype’ or Elephant bean.

There is no international grading system for coffee beans, with different countries using alternative systems. For example, in many African countries, the highest grade of coffee is AA, whereas in Indonesia it is Grade 1.

But these symptoms are often easy to understand and decipher throughout the world.

Roasting

Green coffee beans must first be roasted using a dedicated roasting machine before they can be used to make a cup of coffee.

The roasting process produces the primary flavour and aroma of the drink. Beans are roasted by a skilled coffee roaster, who judges how long to roast the beans in order to create the optimum taste.

For example, Javanese coffee is usually roasted for a lengthy time to give it a full-bodied and earthy flavour. However, if heat is applied to the beans for too long, it will destroy this flavour and give it a burnt aroma and bitter taste.

  What Are the Different Coffee Flavours? All 4 Explained

You can of course now roast your beans at home, too. This can often help with freshness and if you are after a particular taste from a certain bean variety.

Coffee is usually sold in two general categories of roasting; medium and dark. As a basic rule of thumb, if you prefer milk chocolate to dark chocolate, then you will prefer medium roasted coffee to dark roasted coffee.

The former has a less ‘strong’ taste, and can usually contain more caffeine as well, as roasting for longer can change the makeup of the bean which can damage the caffeine binding and formula.

Grinding

The final process before you can enjoy your cup of coffee is grinding. The coffee beans need to be ground ready to infuse, using your preferred brewing method.

Different brewing methods require different coarseness of coffee in order to produce the best possible taste. For example, using a cafetiere, you need coarse coffee grounds, whereas when using a stove-top espresso maker you require a much finer grind. This is a little guide which explains the different types of grinder.

Glaiza Galo November 23, 2022

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