CONSTITUENT REPORT
alpha-Terpinyl acetate
alpha-Terpinyl acetate is a monoterpene ester most strongly associated with cardamom and laurel-type essential-oil profiles, where it can occur at meaningful percentages and act as an aroma-defining marker. The current public literature is strongest for identity, occurrence, fragrance safety review, and a few preclinical or mechanistic papers, including antimicrobial-chemotype work and a cytochrome P450 2B6 interaction study. Human clinical evidence was not verified here, so the archive record should keep any benefit language narrow and evidence-tiered.
Chemical identity and composition
PubChem and NIST identify alpha-terpinyl acetate as C12H20O2. The fragrance-safety literature often treats terpinyl acetate as an isomer mixture that includes alpha-terpinyl acetate, so this record keeps the specific alpha-constituent name while noting when safety conclusions derive from the broader terpinyl-acetate material class.
Aroma and practical use
- Use the recorded floral-lavender, herbaceous, fresh, sweet descriptors to explore a blend's scent character; perceived strength also depends on the other ingredients.
- Review the flagged use concerns across every contributing oil and the selected dilution.
- 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.
antimicrobial and phytotoxicity research
A Molecules paper reported that alpha-terpinyl acetate was rare across surveyed T. pulegioides habitats, but the alpha-terpinyl-acetate chemotype oil showed stronger phytotoxicity toward tested monocots than dicots and showed higher antimicrobial activity against fungi and dermatophytes than against bacteria or Candida yeasts.
Measured: seed germination, radicle growth, and antimicrobial activity
This experimental finding does not establish benefit, dose or safety in people using this blend.
drug metabolism interaction research
A recombinant CYP2B6 study reported strong alpha-terpinyl acetate binding with Kd 5.4 microM, competitive inhibition with Ki 7.6 microM, and inhibition of bupropion hydroxylation with IC50 10.4 microM.
Measured: binding, metabolism, and bupropion-hydroxylation inhibition
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
Use concerns and concentration limits
Sensitization concernFlagged
Flagged in the constituent reference; assess the source, route and finished-product concentration.
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.
A recorded constituent reference, not a recommended oil dilution. Product category, source applicability and all contributing oils must be checked before use.
unverified reference · No source provenance attachedA 2024 RIFM safety assessment for terpinyl acetate as an isomer mixture concluded that it is not genotoxic, is not expected to be photoirritating or photoallergenic, and does not raise a skin-sensitization concern under current declared fragrance-use levels.
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 same RIFM review reported margins of exposure above 100 for repeated-dose toxicity, and used terpineol plus acetic acid read-across to support reproductive-toxicity and local-respiratory endpoints.
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 the strongest safety review is for the terpinyl-acetate isomer mixture rather than isolated alpha-terpinyl acetate alone, constituent-specific extrapolation should remain conservative.
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
These are research candidates recorded in the interaction matrix. They do not add a proven-amplification bonus to the score.
CarvacrolAmplification candidate
Candidate in the research matrix. A coefficient alone does not establish amplification at the dose, route or goal of your blend; no proven amplification is inferred from this row.
review · whole_oil
No source citation attached.
Read Carvacrol report →ThymolAmplification candidate
Candidate in the research matrix. A coefficient alone does not establish amplification at the dose, route or goal of your blend; no proven amplification is inferred from this row.
review · whole_oil
No source citation attached.
Read Thymol report →How the effects were investigated
competitive cyp2b6 inhibition
A Chemico-Biological Interactions study reported that alpha-terpinyl acetate bound tightly to recombinant CYP2B6, produced an oxidative metabolite, and behaved as a competitive inhibitor in the bupropion-hydroxylation assay.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
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 (6)
- No human clinical studies specific to isolated alpha-terpinyl acetate were verified in this pass.
- Most publicly accessible efficacy-style literature is either mechanistic, mixture-level, or limited to agricultural and antimicrobial bioassays.
- The best safety coverage is for terpinyl acetate as an isomer mixture, not a pure alpha-terpinyl acetate monograph.
- The numeric dermal reference lacks source provenance; a verified flag alone is insufficient.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.
- Interaction candidates lack an attached source citation and remain unqualified.