Tổng Quan
- Danh pháp khoa học
- Eriocephalus africanus L.
- Họ thực vật
- Asteraceae (Compositae)
- Bộ phận dùng
- Leaves and stem
- Phương pháp chiết xuất
- Steam distillation
- Màu sắc
- —
- Phân loại nốt hương
- Nốt Top/Middle
- Hương thơm
- —
- Chemotype / Cultivar
- —
Các quốc gia sản xuất chính
Tình trạng tại Việt Nam
Xem chi tiết
herbaceous, camphoraceous, fresh, floral, rosemary-like, soft, balanced, fynbos-aromatic, slightly woody, top-middle-note
thảo mộc, long não, tươi mát, hoa, giống hương thảo, dịu, cân bằng, đặc trưng fynbos, hơi gỗ, hương đầu-giữa
2–4 giờ
Tên gọi tại Việt Nam
Pha Chế & Hòa Hợp
Linalyl acetate (18.0%) and linalool (2.5%) interact with GABA-A receptors and reduce CNS arousal via the ester-class sedative mechanism documented for the linalyl acetate constituent profile in peer oils.
Ref: class-extrapolation from linaloe-wood EO760, mint-bergamot EO768 — Tisserand & Young 2014, Ch.14 linalyl-acetate constituent profile
1,8-Cineole (4.3%) stimulates bronchial mucus clearance and ciliary beat frequency via calcium-channel modulation; pharmacologically active at this concentration though well below the pediatric-face concern threshold.
Ref: Tisserand & Young 2014, Ch.14 — 1,8-cineole constituent profile; concentration context B216 p.821–822
Synergy of 1,8-cineole (4.3%), p-cymene (3.5%), and camphor (2.4%) disrupts microbial cell membranes; p-cymene is documented to potentiate cineole membrane penetration in monoterpene combination profiles.
Ref: class-extrapolation — Tisserand & Young 2014, Ch.14 cineole, p-cymene, camphor constituent profiles
Linalyl acetate and linalool modulate arachidonic acid pathways and attenuate COX-2 activity; this ester-alcohol class mechanism is established in constituent-level pharmacology literature for lavender-type oils.
Ref: class-extrapolation from linaloe-wood EO760 — Tisserand & Young 2014, Ch.14 linalyl-acetate + linalool constituent profiles
Camphor (2.4%) activates then desensitises TRPV1/TRPM8 receptors, producing local warmth and mild pain-gate modulation; supplemented by linalool's ester-class analgesic properties at low concentration.
Ref: class-extrapolation — Tisserand & Young 2014, Ch.14 camphor constituent profile
Khoisan and Cape-Dutch pharmacopoeia used Eriocephalus africanus leaf decoction topically for skin conditions; the antimicrobial monoterpene pool provides a mechanistic basis for this traditional use, though PLANT-vs-EO equivalence is unvalidated.
Ref: Tisserand & Young 2014, B216 p.821–822 (traditional context); PLANT-vs-EO disambiguation — concentrated EO not directly equivalent
AI-summary
No RCT-grade or controlled clinical study has been located for Eriocephalus africanus essential oil. Tisserand & Young 2014 (B216 p.821–822) records a 'None known × 2' safety profile (no known hazards, no known cautions) but also identifies a triple data-gap: no information found for skin sensitization, acute toxicity, or carcinogenicity. The sole published chemistry source is an unpublished private communication (Graven 1999). Traditional therapeutic use is documented in Khoisan and Cape-Dutch ethnobotany for the PLANT (leaf decoction), not for concentrated distilled EO. All therapeutic ratings are constituent-level class-extrapolations from peer linalyl-acetate-dominant oils (lavender, linaloe-wood, mint-bergamot). The rare genus-marker trideca-3,12-diene-nitrile (1.5%) has no documented pharmacological profile in the aromatherapy or clinical literature. Rated Low confidence overall.
NarrativeTâm trạng: Balancing, Uplifting
Chakra
heart
Ngũ hành
kim
| Phương pháp | Liều lượng | Ghi chú |
|---|---|---|
| Diffusion | 3–5 drops in 100 ml water | Relaxation and light respiratory support in ventilated rooms; 30–60 min diffusion with 30-min breaks. Cineole 4.3% is well below pediatric-face threshold at ambient diffusion concentrations. |
| Topical massage | 2–3% in carrier oil (4–6 drops per 10 ml) | Within the 5% adult framework cap (B216 p.821). Lightweight carrier preferred. Suitable for back, shoulder, or limb massage. Patch test advised: no skin-sensitization data exists for this species. |
| Direct inhalation | 1–2 drops on tissue or inhaler stick | Short duration 1–3 min for on-demand relaxation or mild respiratory support. As a general cineole-class precaution, avoid close application to young children's faces. |
| Skincare blend | 0.5–1% in carrier or unscented cream (1–2 drops per 10 ml) | Conservative dilution; no patch-test data for this species. Blend with jojoba or rosehip. Avoid eye area. Suitable for normal-to-dry skin as a daily serum. |
| Bath (dispersed) | 5–8 drops pre-dispersed in 15 ml bath base | Pre-disperse in unscented bath base or whole milk before adding to water. Soak 15–20 min. Avoid for young children; triple data-gap caution applies. |
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