Italicene is a sesquiterpene hydrocarbon associated mainly with Helichrysum italicum volatile profiles and with the light-driven transformation chemistry of gamma-curcumene-rich immortelle oils. Publicly accessible evidence in this pass is strongest for identity, occurrence, and photostability context, while direct biological evidence for isolated italicene is minimal. The few modern functional mentions are exploratory in silico papers rather than validated pharmacology, so italicene is best described as a chemistry marker with interesting but still weak bioactivity signals.
Chemical identity and composition
PubChem provides a stereospecific italicene record with formula C15H24, InChIKey BWAXOYJGXIEEOE-KYEXWDHISA-N, and synonym-linked CAS 94535-52-1. In the AromaForge archive, a Serbian Helichrysum italicum oil profile lists italicene at 4.2%, and a recent Serbian antimicrobial chemometric paper also lists italicene among the more abundant sesquiterpenes in gamma-curcumene/ar-curcumene chemotype oils. A photostability paper further indicates that italicene can arise through light-driven transformation of gamma-curcumene, which matters for storage and profile interpretation.
Aroma and practical use
- Use the recorded woody, dry, herbal, immortelle-like, herbaceous descriptors to explore a blend's scent character; perceived strength also depends on the other ingredients.
- Read the route, preparation and experimental context before using a study finding to choose an oil.
Reported benefits and effects
Findings retain their study context. An animal or laboratory result describes that experiment.
A Serbian Helichrysum italicum composition paper quantified italicene at 4.2% in a gamma-curcumene chemotype oil, supporting its status as a real immortelle constituent rather than a naming artifact.
A Serbian Helichrysum italicum composition paper quantified italicene at 4.2% in a gamma-curcumene chemotype oil, supporting its status as a real immortelle constituent rather than a naming artifact.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
An Acta Chimica Slovenica photostability study reported that the dominant process in irradiated immortelle oil was phototransformation of gamma-curcumene to italicene, isoitalicene, and alpha-curcumene.
An Acta Chimica Slovenica photostability study reported that the dominant process in irradiated immortelle oil was phototransformation of gamma-curcumene to italicene, isoitalicene, and alpha-curcumene.
This experimental finding does not establish benefit, dose or safety in people using this blend.
A 2024 Heliyon paper mentioned italicene among plant-derived compounds with potential for inhibiting tau aggregation and predicted interactions with Alzheimer-related protein targets, but this remained computational and hypothesis-generating.
A 2024 Heliyon paper mentioned italicene among plant-derived compounds with potential for inhibiting tau aggregation and predicted interactions with Alzheimer-related protein targets, but this remained computational and hypothesis-generating.
This experimental finding does not establish benefit, dose or safety in people using this blend.
Use concerns and concentration limits
Sensitization concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Phototoxicity concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Oxidation concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Penetration enhancementNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
No numeric constituent-specific use limit is available here. Missing is not an unrestricted-use clearance.
No constituent-specific human safety study, sensitization review, or IFRA-style restriction for isolated italicene was verified in the reviewed public sources.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
The Good Scents entry flags italicene as not for fragrance use and not for flavor use, but the page does not provide a transparent toxicological rationale or exposure threshold.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Because current activity signals are largely chemical-occurrence or computational, consumer-facing copy should avoid neuroprotective, antimicrobial, or anti-inflammatory claims for isolated italicene.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Constituents it may interact with
No constituent-pair interaction is recorded for this identity. The report does not assume either amplification or incompatibility.
How the effects were investigated
light driven conversion from gamma curcumene
The clearest mechanism-like signal in the reviewed literature is chemical rather than biological: UV-A exposure of immortelle oil promoted phototransformation of gamma-curcumene to italicene, isoitalicene, and alpha-curcumene.
This experimental finding does not establish benefit, dose or safety in people using this blend.
No direct public citation is attached to this entry.
predicted tau related binding
A recent in silico paper proposed italicene as a potential tau-aggregation inhibitor and protein-binding candidate, but these predictions remain unvalidated for isolated italicene.
This experimental finding does not establish benefit, dose or safety in people using this blend.
No direct public citation is attached to this entry.
What this report cannot establish
- A reported constituent percentage does not establish an effective human therapeutic dose or the amount absorbed into the body.
- The presence of a constituent does not guarantee a clinical benefit, rash treatment or sleep improvement from a custom blend.
- An unflagged concern or missing use limit does not establish safety for ingestion, inhalation, skin exposure or a particular person.
- A candidate constituent interaction does not establish that two oils amplify one another at the selected proportions.
- Constituent descriptors alone do not establish a precise top, heart or base lifetime in a finished blend.
Known data gaps (5)
- No human clinical studies specific to isolated italicene were verified in this pass.
- Direct biological studies of isolated italicene remain sparse; much of the accessible evidence is occurrence, storage chemistry, or computational prediction.
- The reviewed public sources did not provide a transparent constituent-specific dermal or inhalation safety threshold.
- No constituent-specific numeric dermal reference is available here.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.