Wiktionary
bisabolene
n. (context organic compound English) The sesquiterpene ''(4Z)-1-methyl-4-(6-methylhept-5-en-2-ylidene)cyclohexene'' that is used in the flavouring industry to add a fruity flavour
Wikipedia
Bisabolene
Bisabolenes are a group of closely related natural chemical compounds which are classified as sesquiterpenes. Bisabolenes are present in the essential oils of a wide variety of plants including cubeb, lemon and oregano. Various derivates also function as pheromones in different insects, such as stink bugs and fruit flies. It has also been observed to be produced by several fungi, though it's biological role in that group of organisms remains unclear.