Ginger

Ginger essential oils are steam-distilled from the rhizome of Zingiber officinale, a tropical herbaceous plant cultivated throughout South and Southeast Asia where it has been used medicinally for over five thousand years in Ayurvedic, Traditional Chinese, and Unani systems of medicine. The oil's sesquiterpene-dominant composition — led by zingiberene — produces a warm, spicy, woody aroma characteristically gentler than fresh ginger, because the pungent gingerols responsible for bite are non-volatile and do not survive distillation. Clinical aromatherapy research has concentrated on nausea relief: a study in abdominal surgery patients found that ginger essential oil inhalation significantly reduced postoperative nausea and vomiting scores versus controls within the first six hours post-operation.^[2]

Ginger

Zingiber officinale

Also Known As: Ginger Root
Family: Spice
Perfumery Note: Middle
Intensity: Strong
Extraction: Steam Distillation
Plant Parts: Rhizome (Root)
Origins: India, China, Indonesia
Effect: Uplifting & Energizing, Warming & Comforting
Aroma: Spicy, Warm, Woody
Applications: Aromatherapy, Massage, Medicinal, Culinary
Price: $$$$The dried roots are dense; steam distillation is slow to extract the heavy aromatic molecules

Ginger essential oil (Zingiber officinale) is dominated by sesquiterpene hydrocarbons — zingiberene (up to 35%), beta-sesquiphellandrene, ar-curcumene, and beta-bisabolene — alongside monoterpenes such as camphene. Unlike dried ginger, the oil lacks the pungent gingerols (which are heat-sensitive). Studies document antiemetic, anti-inflammatory, and gastroprotective effects for ginger preparations, with the volatile fraction contributing to nausea relief.^[2]^[3]

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Ginger CO2

Zingiber officinale

Also Known As: CO2 Ginger Extract, Supercritical Ginger, Ginger Oleoresin
Family: Spice
Perfumery Note: Middle
Intensity: Strong
Extraction: CO2 Extraction
Plant Parts: Rhizome
Origins: India, Madagascar, China
Effect: Warming & Grounding, Digestive Support
Aroma: Warm, Spicy, Rich, Root-like, Earthy
Applications: Aromatherapy, Digestive Support, Perfumery, Natural Medicine
Price: $$$$Supercritical CO2 extraction requires specialised high-pressure equipment and higher input costs than steam distillation; significantly more expensive per unit volume

Ginger CO2 extract, produced via supercritical carbon dioxide extraction at ~31°C from Zingiber officinale rhizomes, retains substantially higher concentrations of 6-gingerol and related pungent phenylalkanol compounds than conventional steam-distilled oil, because the low-temperature process minimises heat-driven conversion of gingerols to shogaols — a transformation that occurs readily above 60°C during steam distillation.^[4] The result is an aroma dramatically closer to freshly cut ginger root: richer, more complex, more resinous, and heavier than the lighter, zingiberene-dominant character of steam-distilled oil. Transdermal and pharmacological studies confirm that 6-gingerol retained in CO2 extracts is the primary bioactive underpinning anti-nausea, anti-inflammatory, and antioxidant applications, making the CO2 form preferred where higher gingerol bioavailability is therapeutically relevant.^[5]

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Plai

Zingiber zerumbet

Also Known As: Cassumunar Ginger, Bitter Ginger, Shampoo Ginger, Zerumbet Ginger
Family: Spice
Perfumery Note: Middle
Intensity: Strong
Extraction: Steam Distillation
Plant Parts: Rhizome
Origins: Thailand, Malaysia, Indonesia
Effect: Pain & Muscle Relief, Respiratory & Cleansing
Aroma: Camphorous, Fresh, Spicy, Herbaceous, Medicinal
Applications: Muscle & Joint Care, Sports Therapy, Pain Relief, Massage
Price: $$$$Specialist oil primarily produced in Southeast Asia; limited Western distribution infrastructure and small-batch production drive higher retail prices

Plai oil, steam-distilled from Zingiber zerumbet rhizomes, is defined by zerumbone — a monocyclic sesquiterpene ketone absent from common culinary ginger (Z. officinale) — whose a,β-unsaturated carbonyl group underpins potent anti-inflammatory activity via inhibition of NF-κB signaling and dose-dependent suppression of TNF-a, IL-1β, PGE2, and COX-2 in both acute and chronic inflammation models.^[6] Comprehensive pharmacological reviews confirm analgesic, anti-inflammatory, antioxidant, and immunomodulatory properties that are mechanistically distinct from the gingerol-driven activity of Z. officinale.^[7] Long used in Thai traditional massage and sports injury treatment, plai has gained Western recognition among sports therapists for its marked muscle and joint applications.

Blend

Essential Nose

Ginger

Ginger

Ginger CO2

Plai

References