Good earth: Chemists show origin of soil-scented geosmin

Brown University chemists have found the origins of an odor – the sweet smell of fresh dirt. In Nature Chemical Biology, the Brown team shows that the protein that makes geosmin – source of the good earth scent – has two similar but distinct halves, each playing a critical role in making this organic compound.

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<p><a href="http://www.physorg.com/news109167558.html">Good earth: Chemists show origin of soil-scented geosmin</a></p> <p>Brown University chemists have found the origins of an odor – the sweet smell of fresh dirt. In <i>Nature Chemical Biology</i>, the Brown team shows that the protein that makes geosmin – source of the good earth scent – has two similar but distinct halves, each playing a critical role in making this organic compound.</p>