The Chemistry of Coffee

Mention coffee, and caffeine is the chemical compound name that immediately springs to mind. However, whilst caffeine’s effects on the brain are well documented –it binds to adenosine receptors in the brain – it has relatively little impact when it comes to the taste of coffee. Coffee, as it ...

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There are few things better than an ice cold beer on a hot day. Chances are, when you crack open a beer this summer, you probably won’t be thinking much about chemistry – but it’s the particular chemicals in beer, produced inthe brewing process, that give beer both its bitterness and ...

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Colour, Aroma, & Explosions

Watermelons are a popular, refreshing summer fruit. There’s also a lot of intriguing chemistry behind them, from the colour of their flesh and the complexity of their aroma, to the tales of explodingwatermelons in China, and even the claims that they can have a viagra-like effect. This post ...

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Whisky is one of the world’s most popular spirits, and comes in many different classes and types. The character and flavour of these differing types vary widely; this, of course, comes down to their varying chemical composition. Here, we take a look at where some of these different compounds come ...

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For the latest in the alcohol chemistry series, we’re looking at a pirate’s favourite spirit: rum. It’s actually hard to describe what constitutes a rum, because there’s not really a fixed definition; different countries have different standards that rums have to meet. Still, despite the ...

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A functional group in chemistry is the part of the molecule that gives it its particular reactivity; simple molecules that contain the same functional group in their structure can be expected to react in similar ways. More complicated chemical molecules may contain more than one functional group ...

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