Vanilmandelic acid, L-(+)- is a chemical intermediate in the synthesis of artificial vanilla flavorings and is an end-stage metabolite of the catecholamines, epinephrine, and norepinephrine. It is produced via intermediary metabolites.
1,6-Anhydro-D-galactose is a carbohydrate found in liquid smoke flavorings that is used as a tracer of the contribution of biomass burning to total atmospheric particulate matter.