Curing Fermentation

Curing fermentation refers to the microbial and enzymatic processes that occur during post-harvest cannabis curing, where anaerobic and aerobic bacteria, yeasts, and fungi break down plant material and develop aromatic compounds. During this phase, chlorophyll degrades, amino acids convert into volatile compounds, and terpene profiles can shift—sometimes increasing certain volatile constituents while others dissipate. This process is distinct from terpene production during growth; rather, it represents the chemical transformation of existing compounds through biological activity. Breeders and growers track fermentation-driven aroma development to understand how genetics express differently across cure timelines. Lineage records frequently report that certain cultivars undergo more pronounced fermentation-linked terpene shifts than others, making genetics selection relevant to final aroma

Breeders working in preservation and stability often select for genetics that maintain or develop desirable aromatic profiles during curing fermentation, as this trait influences market-ready phenotype expression. Understanding fermentation chemistry helps breeders predict how a strain's terpene profile will mature over weeks to months post-harvest.