Volatile Secondary Metabolites

Volatile secondary metabolites (VSMs) are organic compounds produced by cannabis plants beyond primary metabolism, released into the air as gases or vapors. These include terpenes, esters, and aldehydes that create the plant's characteristic aromatic profiles. VSM production is influenced by genetics, environmental conditions, and plant maturity stage. Breeders and researchers study VSM expression to understand strain differentiation and stability across growing environments. Unlike primary metabolites essential for plant survival, VSMs function in plant defense, pollinator attraction, and environmental adaptation.

Cannabis breeders monitor VSM profiles across generations to stabilize aromatic phenotypes and understand how environmental stress affects volatile expression. VSM analysis helps distinguish genetic lineages and verify strain authenticity in breeding programs.