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View Product Details →Eugenia Caryophyllus Clove Leaf Oil is a volatile essential oil extracted via steam distillation from the leaves of the Syzygium aromaticum (syn. Eugenia caryophyllata) tree, a native evergreen of the Myrtaceae family. While clove bud oil remains highly celebrated in traditional aromatherapy, clove leaf oil acts as the primary industrial backbone for chemical separation processes, primarily due to its abundant yield and exceptionally high concentration of the phenylpropanoid compound, Eugenol.
From a botanical chemistry perspective, the leaf oil presents a deep amber-yellow viscous consistency and features a complex organic profile. Crucially, the oil comprises 75% to 88% eugenol, followed by beta-caryophyllene (5% to 15%), and lesser amounts of eugenyl acetate, alpha-humulene, and isoeugenol. Unlike bud oil, which retains a higher concentration of eugenyl acetate, clove leaf oil's high raw eugenol content makes it the preferred starting material for the synthesis of vanillin, pharmaceutical-grade analgesics, and stabilizing agents in veterinary health applications.
The purchasing architecture of Eugenia Caryophyllus Clove Leaf Oil requires balancing chemical purity with sourcing stability. Global supply chains rely heavily on tropical archipelagos and coastal regions, exposing buyers to seasonal yield shifts.
Madagascar and Indonesia control over 85% of global clove leaf production. Importers must build strong relationships with local distillers and establish multi-origin safety buffers to manage climate and shipping disruption risks.
Different extraction methods generate varying terpene profiles. Standardized HPLC and GC-MS profiles are critical for pharmaceutical buyers, ensuring that pesticide residues, heavy metals, and plasticizers stay below regulatory detection limits.
Volatile raw material costs require proactive pricing strategies. Direct supply agreements with certified manufacturers like Jiangxi Serum Pharma protect buyers from spot-market price spikes and secure stable, yearly volumes.
To qualify as an active biological ingredient or pharmaceutical-grade additive, Eugenia Caryophyllus Clove Leaf Oil must meet strict specifications. The table below lists the performance parameters required by international standard organizations, including the United States Pharmacopeia (USP), Food Chemicals Codex (FCC), and European Pharmacopoeia (EP).
| Analytical Parameter | USP / NF Requirements | FCC Food Grade Standard | Serum Pharma Premium Specification |
|---|---|---|---|
| Assay (Eugenol by GC) | 75.0% - 88.0% | Min 82.0% | 85.0% - 89.5% |
| Appearance | Pale yellow to dark brown liquid | Yellow to brown liquid | Clear, light amber-yellow liquid |
| Specific Gravity (25°C) | 1.030 to 1.060 | 1.036 to 1.046 | 1.038 to 1.045 |
| Refractive Index (20°C) | 1.530 to 1.538 | 1.531 to 1.535 | 1.532 to 1.536 |
| Solubility in 70% Ethanol | 1 volume in 2 volumes | Passes Test | 1 volume in 1.5 volumes (Clear solution) |
| Heavy Metals (as Pb) | < 10 ppm | < 10 ppm | < 5 ppm |
| Pesticide Residue | Complies with USP <561> | Not specified | ND (Non-Detected) |
Jiangxi Serum Pharma Industries Co., Ltd. serves as a professional supplier of pharmaceutical and nutritional products in China. Operating since 2017, we offer deep technical expertise in natural plant extracts, essential oils, Western medicines, and biological ingredients, achieving over $10,000,000 in annual sales.
To address the stability and solubility challenges of natural clove leaf oil, we provide advanced customization services, including Pre-Mix formulations, Co-Crystallization techniques, and Bio-Fermentation support. These methods convert liquid essential oils into stable, water-soluble powders, preventing eugenol degradation and extending product shelf-life.
We modify raw essential oils and plant compounds using advanced processing platforms to meet complex oral and topical drug delivery requirements.
Providing standardized liquid and powder blends of clove leaf oil combined with synergistic antimicrobial compounds, optimized for seamless integration into manufacturing lines.
Binding liquid eugenol molecules into solid crystal lattices with carrier matrices. This stabilizes volatile oils, reduces strong odors, and prevents chemical breakdown during processing.
Utilizing clean bio-catalysis platforms to produce high-purity natural derivatives. This provides a sustainable, climate-independent alternative to traditional steam distillation.
Review comprehensive answers to common technical, quality control, and logistics questions about sourcing Eugenia Caryophyllus Clove Leaf Oil.
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