Why does the Binturong smell like Popcorn?
I recall being taken to the zoo when I was younger and approaching an enclosure where the smell of freshly popped popcorn emanated. This was the binturong (Arctictis binturong) enclosure, also commonly known as the “bearcat”. This name is misleading, as this animal is not a bear or a cat, but a part of the civet family, a family made up of long-bodied, short-legged carnivorous mammalian species. They live in the rainforests of Southeast Asia and are solitary animals. And the best part: they smell like movie-theatre popcorn! This fact was very interesting to learn about when I was younger, but now I am curious on the science behind what really causes this smell. The binturong’s popcorn scent comes from their urine. More specifically, a chemical compound in their urine. This compound is 2-acetyl-1-pyrroline (also known as 2-AP), a compound that is responsible for the major aroma in toasted bread and cooked rice. Scientists using gas chromatography-mass spectrometry recognized 29 chemical...