Althaea
Editorial noteWe own no rights to this material, its name or its trademark. This entry is independent editorial journalism, published under freedom of expression.

Not a real perfumery extract. When a fragrance lists 'marshmallow,' what you smell is a synthetic accord — ethyl maltol, vanillin, musks — designed to carries the confection, not the marsh plant. The actual Althaea officinalis root smells of damp tea and wet starch. Nobody distils it for perfume.
- Type
- Accord
- Olfactive family
- Florals
- Subfamily
- Gourmand accords
- Cluster
- Gourmand accords
- Source
- fantasy accord (no plant extraction)
- Chemical class
- fantasy accord (ethyl maltol + vanillin + musk base)
Scent
The Full Story
Extraction & Chemistry
Extraction method
No extraction relevant to perfumery. Althaea officinalis root extract (CAS 73049-65-7) is produced by solvent extraction of the dried root, primarily for cosmetic and flavour applications. TGSC explicitly classifies it as 'not for fragrance use.' The root's value lies in its mucilage content (5-35% polysaccharides), not in volatile aromatics. The plant yields negligible essential oil by steam distillation. Headspace GC-MS analysis of A. officinalis volatiles (Ilam Province, Iran, 2022) identified tetradecane (22.5%), alpha-pinene (15.5%), hexadecane (10.5%), 2-hexenal (8.5%), and dodecane (7.3%) — an unremarkable alkane-dominated profile with no perfumery interest. The 'marshmallow' note in perfumery is a synthetic accord; see perfumery_role.
- Formula
- Complex mixture (extract); no single molecular formula
- CAS
- 73049-65-7 (Althaea officinalis extract — cosmetic/flavour use only, not for fragrance)
- Botanical
- Althaea officinalis
- Appearance
- Root extract: brown to dark brown liquid. As an accord: not applicable.
- Odour strength
- Medium
- Lasting power
- Depends on accord construction; ethyl maltol component fades within 2-4 hours, musk base persists 24+ hours
- Synonyms
- marshmallow, sweetweed
Not applicable: marshmallow is a fantasy accord, not a regulated raw material. Among its typical components, only coumarin carries its own IFRA Standard; ethyl maltol and vanillin do not. Althaea officinalis root extract (CAS 73049-65-7) is classified by TGSC as 'not for fragrance use.'
- Specific gravity
- 0.94320 to 1.01320 @ 25.00 °C.
- Refractive index
- 1.36980 to 1.38580 @ 20.00 °C.
In Perfumery
Marshmallow is a fantasy accord, not a raw material. The note is constructed, typically from ethyl maltol (the caramelised-sugar molecule, CAS 4940-11-8), vanillin or ethyl vanillin, a powdery musk (often ethylene brassylate or helvetolide), and a trace of benzoin or coumarin for warmth. Some formulations add heliotropin for the powdery-almond quality. The accord sits in the heart-to-base register. It functions as a sweetness modifier in gourmand compositions, softening denser notes like chocolate, coffee, or caramel without the cloying density of pure vanillin. In floral-gourmand hybrids, it bridges the gap between edible sweetness and white-floral transparency. The actual plant, Althaea officinalis, contributes nothing to this construction. TGSC lists the root extract as 'not for fragrance use.' Its volatile profile, dominated by tetradecane, alpha-pinene, and hexadecane, bears no relation to the confectionery sweetness the name implies.