Essential Oils

Essential oils in cannabis refer to volatile aromatic compounds—primarily terpenes and their oxidized derivatives—that accumulate in trichomes and contribute to the plant's characteristic scent profile. These lipophilic molecules include monoterpenes (limonene, myrcene, pinene), sesquiterpenes (caryophyllene, humulene), and other trace volatiles that can comprise 0.01–2% of fresh flower weight. Essential oil composition varies significantly by cultivar, growing conditions, harvest timing, and post-harvest handling; lineage records frequently report consistent terpene ratios within stable strain families. Breeders and seed producers studying cannabis genetics often analyze essential oil profiles to document phenotypic stability and identify chemical markers for breeding selection. Essential oil preservation is a critical consideration in seed banking and clone libraries, as these volatile

Breeders working in terpene-focused selection use essential oil profiling—via gas chromatography or sensory evaluation—to stabilize aromatic expression across generations. Maintaining essential oil integrity in seed stock requires proper storage protocols, making this trait relevant for long-term germplasm conservation.