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18 Infographics about the topic aldehydes
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The Chemistry of Bell Peppers
Colour and Aroma
Bell peppers come in a range of hues, from fresh greens to vibrant reds. Chemical pigments are behind these, but what changes to cause peppers to travel through this spectrum of colours? Here we take a look at the compounds behind the colours (as well as some pepper aroma chemistry) – and find ...
Halloween Special
The Chemistry of Blood
Fake blood is an essential accessory if you’re going for a gory halloween look with your costume this year. There’s a lot of chemistry in the substance it sets out to mimic; we can explain the colour, smell, and different types of blood with the aid of chemistry (and some biology thrown in for ...
The Chemicals in Cigarette Smoke & Their Effects
That smoking causes cancer is a well known and scientifically proven fact. Everyone knows that nicotine is present in cigarettes, and causes addiction to smoking; however, what’s a little less well known is the range of chemicals contained within cigarette smoke that can lead to carcinogenic ...
Why Can Coriander Taste Soapy?
The Chemistry of Coriander
I wasn’t aware of this until recently, being a fan of coriander myself, but apparently there are quite a few people for whom coriander (referred to as cilantro in the US)has a rather unpleasant soapy, or even metallic, taste. The cause of this has its roots in the chemical composition of ...
Raspberries, Weight Loss, & The Galaxy
The Chemistry of Raspberries
Raspberries, like all fruits, contain a complex mix of organic compounds. Unlike many fruits, however, raspberries have the less common distinction oflending their name to the compound that is a major contributor to their aroma – and one of the compounds that contributes to their flavour has ...
The Chemistry of Watermelons
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 ...
The Chemistry of Elderflowers & Elderberries
Aroma, Colour, & Toxicity
In late May and early June, the winding pathways of the English countryside arefestooned with the delicatewhite blooms of the elderflower. As the end of the summer eventually arrives, these blooms will have been transformed, and the bushes will be heaving under the weight of clusters of ...
What Causes The Smell of Fresh-Cut Grass?
The second in the ‘Aroma Chemistry’ series, this graphic examinesthe smell of fresh-cut grass. This is oft-mentioned when discussions of favourite smells come up, so what are the chemical compounds behind it? Grassemits volatile organic compounds normally, even without being cut. Research has ...
The Chemistry Behind the Smell of Wet Dogs
If you’re a dog owner, hot weather inevitably leads to wet dogs, particularly if you live near the sea, a river, or basically any other body of water that looks appealing to your canine companion. It’s probably not escaped your notice that dogs tend to smell pretty awful after getting wet. Why is ...
The Smell of Freshly-Baked Bread
Aroma Chemistry
As we took a look at the complex chemistry of bread-making last week, this week it seemed to make perfect sense to look at some of the chemistry that results from putting the end result of that process into the oven! There are a host of compounds that contribute towards baked bread’s aroma; here ...
