PabTorre
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How many milligrams of caffeine are in a fresh coffee bean?
2 votes

There are about 6 mg of caffeine in one coffee bean. Darker roasts may have 10-15% less. ...dark roasts have a stronger taste, but the roasting procedure they experience decreases their caffeine ...

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What factors determine coffee bean size?
Accepted answer
6 votes

The single biggest factor in the size of a coffee bean is the botanical variety of the plant. There is no amount of nutrition or growing conditions that can overcome the effect of genetics. In this ...

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Does sweet coffee exist?
1 votes

There are several coffee varieties that have a "sweeter" taster. Varieties that have a delicate taste like Rhume Sudan, Geisha, Villa Sarchi, Montecristo, Bourbon, Maragogype will produce a sweeter ...

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How to create green coffee?
2 votes

Green coffee usually refers to unroasted coffee beans. You can make an infusion from them that matches the taste you are describing, with a lot of bitterness and more "tea-like" taste. Green ...

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Why is coffee comforting
5 votes

Coffee has many compounds beyond caffeine. There are trigonelline, proteins, carbohidrates, quinic acid, caffeic acid etc... So the chemical mix in your cup is a little more complex than just a ...

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What makes a coffee turn out sour?
3 votes

The sour taste may be related to the aeropress method. From this reddit and this thread in CoffeGeek it sounds like it may be related to under-extraction from either using water that is too cold, ...

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Which major coffee shop has the freshest coffee?
2 votes

Green coffee (unroasted) can maintain quality for several years. It is after you roast the coffee that it starts to lose freshness and quality. (see the first answer to this SO for data on loss of ...

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To what extent have C. arabica beans been replaced by rust-resistant cultivars?
2 votes

Even with the impact of below average crop yields from Coffee Rust, Arabica beans still make up at least 75% of the world's coffee crop. Although they are affected by the rust, Arabica plantations ...

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How should I start a coffee export business?
3 votes

The answer is going to depend a lot on what you already have and what you are trying to do, and it is hard to give a solid answer without knowing the specifics. Are you a coffee producer? Are you ...

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Are robusta and arabica the only bean varieties?
7 votes

@To complement on the previous answers. About the Rubiaceae families that are used for producing a good cup of coffee. Besides the Arabica and Robusta families, you also have very good coffee ...

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Is it possible to feel any effects after chewing one coffee bean?
4 votes

This paper from the BC government states that 3 chocolate covered coffee beans have 36mg of caffeine. This study used doses of 0.3 mg per kg of body mass per hour, and noticed that the caffeine ...

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Back to before the beans, My Caffeine Farm
1 votes

The caffeine content of your coffee will depend on the variety, the method of extraction and the roast of your beans. You can see on this paper about caffeine contents of turkish coffee on table 7, ...

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Best filter to use for cold brew?
1 votes

I've gotten good results cold brewing with an aeropress filter, as well as using a V60 bamboo paper filter. Make sure that you add 2 filters, one below your ground coffee and one on top, so that the ...

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What is the optimal brewing technique for extracting caffeine?
2 votes

This study on the caffeine concentration of Turkish Coffee, shows that it can have concentrations of up to 300 mg per 40ml cup (table 6). This method of preparation has much stronger concentrations ...

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Peaberry and coffee varieties
2 votes

This Spanish article explains that the peaberry originates in an irregular development of the 2 halfs of the coffee beans, but may happen more often in some African varieties. This happens in about 2-...

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