Truffles have a distinct and potent aroma that is often described as earthy, musky, and pungent. This aroma is reminiscent of damp soil, garlic, nuts, and even a hint of Parmesan cheese. Some individuals may even pick up hints of leather, vanilla, or even gasoline. Depending on the variety and freshness of the truffle, its scent may vary slightly, but all truffles generally possess these characteristic earthy notes. Truffle scent is strong and unique, which is why it is difficult to draw a comparison to any other ingredient. This intense aroma is what makes truffles highly sought after in culinary circles and adds depth and richness to dishes.
A truffle’s scent comprises a collection of different organic compounds, each species including its own mix of things like alcohol, ketones, aldehydes, aromatic, and sulfur compounds. Human olfactory receptors vary from person to person so while someone may find the smell of black truffle alluring, another may find it disgusting.