An oleo-gum-resin has a warm, balsamic, and resinous character with spicy-woody facets and a subtle sweetness. Without a species specified (frankincense, myrrh, opoponax, galbanum, etc.) the profile is generically that of a distilled tree exudate — sticky, ambery, and long-lasting with a slightly medicinal edge.AI · claude-opus-4-7
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Perfume and Flavor Materials of Natural Origin, page 37.
Natural oleo-resins are usually characterized as clear, viscous and light-colored liquids, while the prepared oleo-resins in general are heterogeneous masses of dark color.
Oleo-gum-resins are only partly soluble in alcohol and hydrocarbon solvents, both of which leave the gum as an insoluble residue.