Synthetics
Theobroma cacao extract has no identifiable odor.
Mosciano, Gerard P&F 20, No. 6, 49, (1995): Cocoa, powdery, roasted, brown and rich with a slight hvp nuance
Luebke, William tgsc, (2021): Cocoa chocolate dark chocolate roasted powdery milk chocolate beany nut skin
Ernesto Ventós: Chocolate, bitter, cocoa