Lemon balm Australian essential oil (Eucalyptus staigeriana F. v. Muell. ex F. M. Bailey, Myrtaceae family — CRITICAL species disambiguation: this is NOT Melissa officinalis European lemon balm; this is the AUSTRALIAN lemon-scented ironbark Eucalyptus) is a (+)-limonene + β-phellandrene-DOMINANT 30.5% leaves-distilled citral-rich Eucalyptus EO with citral-T&Y-EXPLICIT-cap + CYP2B6-drug-interaction + teratogenicity-via-citral-retinoic-acid-synthesis-inhibition triple-hazard signature. B216 Ch.13 p.668–669 cites Cornwell (private communication, 2004) chemistry: (+)-limonene + β-phellandrene 30.5% (combined dominant) + geranial 9.9% + neral 7.7% (citral combined = geranial + neral = 17.6%) + α-phellandrene 7.1% + terpinolene 6.6% + geranyl acetate 4.0% + geraniol 3.7% + 1,8-cineole 3.5% + methyl geranate 3.4% + α-pinene 2.5% + p-cymene 2.1% + β-pinene 1.9% + nerol 1.9% + terpinen-4-ol 1.8% + linalool 1.6% + neryl acetate 1.6% + α-terpineol 1.1%. Hazard signature: T&Y verbatim "Hazards: Drug interaction; teratogenicity; skin sensitization (low risk). Cautions (oral): Drugs metabolized by CYP2B6 (Appendix B). Cautions: Old or oxidized oils should be avoided." HARD CAPS T&Y EXPLICIT verbatim: max dermal 3.4% + max daily oral dose in pregnancy 238 mg. Cap derivation T&Y EXPLICIT verbatim: "We recommend a dermal maximum of 3.4% to avoid skin sensitization, and a daily oral maximum in pregnancy of 238 mg. This is based on 17.6% citral content, with dermal and oral citral limits of 0.6% and 0.6 mg/kg (see Citral profile, Chapter 14)." CRITICAL citral-cap-IFRA-rail (B216 EXPLICIT verbatim): "IFRA recommends a maximum dermal use level for citral of 0.6% for body oils and lotions, in order to avoid skin sensitization (IFRA 2009)." Citral 0.6% / 17.6% × 100 = 3.4% dermal cap. Oral 0.6 mg/kg × 70 kg / 17.6% × 100 = 238 mg/day pregnancy oral cap. CRITICAL teratogenicity-via-retinoic-acid-rail (B216 EXPLICIT verbatim): "Reproductive toxicity: Citral is dose-dependently teratogenic because it inhibits retinoic acid synthesis, and this can affect fetal development (see Citral profile, Chapter 14)." CRITICAL CYP2B6-drug-interaction-rail (B216 EXPLICIT Table 4.11B verbatim): "Drug interactions: Since citral and geraniol inhibit CYP2B6 (Table 4.11B), there is a theoretical risk of interaction between lemon balm (Australian) oil and drugs metabolized by this enzyme (Appendix B)." CRITICAL latent-(+)-limonene-oxidation-rail T&Y EXPLICIT: "Because of its (+)-limonene content we recommend that oxidation of Australian lemon balm oil is avoided by storage in a dark, airtight container in a refrigerator. The addition of an antioxidant to preparations containing it is recommended." + IFRA 2009 limonene-rich peroxide-control rail. CRITICAL antioxidant-radical-scavenging-evidence-Zhao-2010: "Australian lemon balm oil exhibited high radical scavenging activity in both ABTS and DPPH assays (Zhao et al 2010)." No carcinogen-class concern — B216 EXPLICIT "No information was found for Australian lemon balm oil, but it contains no known carcinogens. Citral (geranial + neral) and (+)-limonene display anticarcinogenic activity (see Constituent profiles, Chapter 14)." CRITICAL species-disambiguation-rail (recurring B216 'lemon balm' confusion): Eucalyptus staigeriana (this oil — Australian Myrtaceae, "lemon-scented ironbark") ≠ Melissa officinalis (European lemon balm Lamiaceae, separate B216 entry — different chemistry geranial-neral-rich + citronellal); class-shared "lemon balm" common name + class-shared citral-rich chemistry but botanically + geographically distant. CYP2B6-substrate-drug class includes: bupropion (Wellbutrin/Zyban), efavirenz (Sustiva HIV), cyclophosphamide (chemo), ifosfamide (chemo), ketamine (anesthetic), methadone (opioid maintenance), nevirapine (HIV); class-rail CYP2B6-DI-clinical-relevance. Closes Mini-Batch 23c heterogeneity-progression hazard-signatures-trio (laurel-berry contraindicated-skin EU+Canada prohibited → leek anticoagulant-DI-organosulfur → lemon-balm-Australian citral-cap-3.4%-CYP2B6-teratogenicity).
Tổng Quan
- Danh pháp khoa học
- Eucalyptus staigeriana F. v. Muell. ex F. M. Bailey
- Họ thực vật
- Myrtaceae
- Bộ phận dùng
- Leaves
- Phương pháp chiết xuất
- steam_distillation
- Màu sắc
- —
- Phân loại nốt hương
- Nốt Top
- Hương thơm
- —
- Chemotype / Cultivar
- —
Các quốc gia sản xuất chính
Tình trạng tại Việt Nam
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Lemon-fresh, citrusy, sweet-balsamic, eucalyptus-camphoraceous-undertone, slight-peppery, slight-balm-soothing, refreshing
Chanh tươi, ngọt, the mát, eucalyptus nền, hơi cay tiêu, dịu nhẹ, sảng khoái
2–4 giờ
Tên gọi tại Việt Nam
Pha Chế & Hòa Hợp
High ABTS and DPPH radical-scavenging activity demonstrated in vitro, attributed to synergistic action of citral (geranial + neral, 17.6%), geraniol (3.7%), and limonene fractions present in the leaf EO.
Ref: Zhao et al 2010, cited in Tisserand & Young 2014, Essential Oil Safety 2nd Ed., Ch.13 p.669
(+)-Limonene (co-dominant, combined 30.5% with β-phellandrene) belongs to the anticarcinogenic constituent class with preclinical chemopreventive evidence; activity inferred for this EO via constituent profile — no E. staigeriana-specific study available.
Ref: class-extrapolation via Tisserand & Young 2014, Ch.14 (+)-Limonene profile; constituent combined 30.5%
Citral (lemon-character volatile, 17.6%) and limonene act on olfactory receptors with established psychophysiological uplifting properties in the citrus EO class; limbic pathway stimulation is the accepted mechanism.
Ref: class-extrapolation from citrus limonene EO class; Tisserand & Young 2014, Ch.13 p.668–669
Citral (17.6%, geranial + neral) and geraniol (3.7%) are well-established antimicrobial and antifungal constituents with documented MIC data against Gram-positive bacteria and Candida; activity extrapolated to this EO by constituent profile.
Ref: class-extrapolation via Tisserand & Young 2014, Ch.14 Citral profile; citral constituent level 17.6%
β-Phellandrene and limonene (combined 30.5%) are associated with COX-pathway modulation and anti-inflammatory activity in vitro; class-level inference for E. staigeriana — no direct oil-specific study available in §13.
Ref: class-extrapolation from limonene and β-phellandrene constituent literature; no E. staigeriana-specific inflammation study in §13
AI-summary
No RCT-grade human clinical trial for Eucalyptus staigeriana EO has been identified in available citations. The strongest available evidence is Zhao et al 2010, which demonstrated high in vitro antioxidant activity (ABTS + DPPH radical-scavenging assays), cited explicitly in Tisserand & Young 2014 (Ch.13 p.669). Anticarcinogenic properties are supported at the limonene constituent level (B216 Ch.14) without oil-specific clinical data. CYP2B6 enzyme inhibition by citral and geraniol (B216 Table 4.11B) is mechanistic pharmacokinetic data, not a clinical outcome trial. All therapeutic applications represent evidence-informed aromatherapy extrapolation from constituent profiles or peer citrus EO class data. RCT-grade clinical evidence for this specific species is absent in available §13 citations.
NarrativeTâm trạng: Uplifting, Balancing
Chakra
solar
Ngũ hành
moc
| Phương pháp | Liều lượng | Ghi chú |
|---|---|---|
| Diffusion | 3-5 drops per 100 ml water; 30-minute sessions | Lemon-citral aroma uplifting. Ventilate space after use; avoid prolonged continuous sessions. Caution in pregnancy — teratogenic citral may accumulate via repeated inhalation exposures. |
| Topical massage | Maximum 3.4% in carrier oil (adult body); max 1% facial | CONTRAINDICATED in pregnancy — citral teratogenicity (B216 Ch.14). Patch test required. Caution with CYP2B6 drugs (bupropion, efavirenz, methadone, nevirapine). Use antioxidant-stabilised carrier. |
| Inhalation (personal inhaler) | 2-3 drops on cotton wick in personal inhaler | Supports mental clarity and mood. Short sessions (≤10 min). Lower systemic exposure than topical. Avoid in pregnancy due to teratogenic citral class risk from repeated inhalation exposure. |
| Skincare (leave-on formulation) | Max 3.4% body; 0.5–1% facial | IFRA 2009 citral 0.6% cap limits EO to 3.4% leave-on body. Add antioxidant (tocopherol 0.1%) at blending; avoid sun after application. Contraindicated in pregnancy. |
| Room spray | 5-10 drops per 100 ml distilled water with solubiliser | Air-freshening and antimicrobial surface spray. Shake well before use; ventilate after spraying. Lemon-ironbark aroma; general household use safe. |
Dầu nền phù hợp
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Blend kinh điển
An Toàn
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Thai kỳ & Cho con bú
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