Direct from our state-of-the-art distillation and extraction facility. Certified clean, traceable, and highly pure ingredients.
Market-leading essential extracts characterized by exceptional purity, long shelf life, and robust functional benefits.
Appearance: Light Yellow Liquid | Odour: Rich, sweet and sour berry aroma. Sourced from high-altitude wild sea buckthorn berries, providing premium essential fatty acids and antioxidants.
Appearance: White Crystalline Powder | Purity: ≥99% | CAS NO: 39711-79-0. Delivers high cooling performance with zero residual taste, ideal for food and oral care applications.
Appearance: Dark green liquid | Odour: Odorless. Ideal green coloring agent for organic foods, personal hygiene commodities, and therapeutic skincare formulations.
A comprehensive whitepaper on cold-pressed Citrus paradisi extract, detailing physical chemical profiles, extraction standards, and industry applications.
Grapefruit essential oil (derived from Citrus paradisi) is one of the most high-demand cold-pressed citrus oils globally. Characterized by its sharp, uplifting, and sweet-tart aroma, it is rich in d-limonene (typically 88% to 95%), which serves as the active component responsible for its potent solvent, antimicrobial, and antioxidant properties. The global industry is shaped by increasing consumer demand for natural active ingredients in cosmetics, luxury aromatherapy, functional beverages, and green pesticides.
Currently, major production regions span Florida (USA), Brazil, South Africa, and Southeast Asia. Jiangxi Province, China, has emerged as a powerhouse for industrial citrus cultivation and extraction due to its rich agricultural soils and advanced high-tech industrial processing zones. As a primary manufacturer, Jiangxi Hairui operates advanced cold-pressing systems to extract premium oils without thermal degradation, safeguarding delicate volatile constituents like nootkatone, which dictates the signature grapefruit scent and boasts significant pest-repellent qualities.
The standard processing methodology for grapefruit essential oil involves cold expression (pressing) of the fresh fruit flavedo (outer peel). This mechanical method avoids thermal degradation common in steam distillation, thereby preserving the native molecular architecture of the citrus monoterpenes.
| Parameters | Standard Technical Specifications | Analytical Method |
|---|---|---|
| Botanical Source | Citrus paradisi (100% Pure & Natural) | Botanical Identification |
| Major Constituent | d-Limonene (88.0% - 95.0%) | GC-FID / GC-MS Analysis |
| Specific Gravity (20°C) | 0.848 to 0.856 | Refractometric / Pycnometer |
| Refractive Index (20°C) | 1.473 to 1.479 | Refractometry |
| Key Marker Trace Compound | Nootkatone (≥0.2%) | Gas Chromatography |
| Purity Verification | Zero synthetic diluents, phthalates, or solvents | Chiral GC-MS Analysis |
Looking forward, the processing of citrus oils is advancing through molecular distillation techniques to create folded oils (e.g., 5-fold, 10-fold grapefruit oils) with decreased phototoxicity. Natural furanocoumarins (such as bergapten), which can cause UV-induced skin irritation, are selectively removed while preserving the desired aroma and chemical profile. Our R&D center actively maps green extraction technologies, integrating low-temperature supercritical CO2 extraction methods to yield specialized extracts for premium medical-grade formulations.
Explore our three production pillars, utilizing high-standard raw materials and strict quality control supervision.
Our essential oils are extracted via steam distillation or cold compression. We strictly control the entire agricultural and processing cycle to deliver premium raw materials including camellia oil, eucalyptus oil, oregano oil, and peppermint oil.
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Also known as carrier or medium oils, these are cold-pressed vegetable oils used to dilute active single essential oils for skin applications. Many base oils possess inherent therapeutic, conditioning, and skin-barrier protection properties.
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We manage a 5,000+ acre self-owned raw material agricultural base. Our herbal extracts are separated and crystallized under precise thermodynamic control, ensuring rich purity and stable active substance profiles.
See More →Take a virtual look inside our automated production workshop, analytical laboratories, and cold-press extraction machinery.
Founded in 2006, Jiangxi Hairui Natural Plant Co., Ltd. is a high-tech enterprise specializing in the processing, development, and global trade of natural plant essential oils. Situated in the Jinggang Mountain High-Tech Development Zone in Ji'an, our location provides immediate access to rich botanical spice crop resources.
With an initial investment of RMB 50 million, our plant spans 13,000 square meters. The facility is equipped with automated distillation, cold-pressing systems, and testing equipment (GC-MS, polarimeters, refractometers, HPLC) enabling an annual output capacity of over 2,000 tons of high-purity natural essential oils.
We provide 100% natural, therapeutic-grade, and scientifically standardized botanical oils backed by batch-specific COA, GC-MS, and MSDS documentation.
Continuous investment in analytical equipment and GMP standardization guarantees premium purity levels and consistent raw ingredient supply chains.
From seed selection and farming monitoring to final shipping inspection, our 9-step quality control system guarantees total batch traceability.
How our botanical oil fractions serve agricultural crop protection, cosmetics, health supplements, and clinical aromatherapy.
Sweet orange and grapefruit peel oils act as zero-residue, eco-friendly insect controls. Rich in monoterpenes, they breakdown protective outer shells of pests, optimize crop leaf respiration, improve photosynthesis, and function as natural wetting adjuvants.
Our cold-pressed oils, including organic castor, pomegranate, and citrus extracts, are ideal for restoring skin vitality, stimulating hair follicles, and conditioning hair. They deliver direct antioxidant activity, balancing oily skin and calming scalp irritation.
Nutraceutical-grade carrier oils like evening primrose (high in gamma-linolenic acid / GLA) serve as key ingredients in gelatin softgels. These active lipids help support cardiovascular function, regulate inflammation pathways, and ease premenstrual stress.
Active volatile aroma compounds interact directly with the olfactory cortex and limbic system. High-purity essential oils, including lavender and grapefruit, assist in stress mitigation, support cognitive focus, regulate mood responses, and cleanse atmospheric air.
Our processing facility is fully certified by major international standards bodies, validating our commitment to quality.
Technical guidance and commercial purchasing advice for B2B buyers, distributors, and cosmetic formulators.
From an extraction and botanical standpoint, both oils are cold-pressed from the flavedo of Citrus paradisi. The main differences lie in their aroma profiles and trace compound concentrations. White grapefruit oil offers a sharp, clean, and tart citrus scent, making it popular for industrial food flavoring and aromatherapy. Pink grapefruit oil tends to have a slightly sweeter, softer aroma due to variations in trace aldehydes, and is highly favored in high-end cosmetic and perfume formulations.
Citrus oils are rich in monoterpenes (like d-limonene) which are prone to oxidation when exposed to air, light, and heat. We address this by: 1) Extracting at low temperatures using advanced mechanical cold-press machinery. 2) Adding food-grade natural antioxidants (such as tocopherols) upon request. 3) Shipping bulk quantities in steel drums coated with food-grade epoxy, purged with gaseous nitrogen to eliminate head-space oxygen, and advising cold storage (under 15°C).
Yes. We offer both Food Grade and Cosmetic Grade oils. Our production facility complies with GMP standards, and our products carry Kosher, Halal, ISO, and MSDS documentation. Each shipped batch comes accompanied by a complete Certificate of Analysis (COA) specifying the GC-MS composition, refractive index, and specific gravity.
For standard B2B wholesale orders, our MOQ typically starts at 25kg (industry-standard fluorinated canisters or drums). For large-scale manufacturing formulations, we provide standard 180kg or 200kg steel drums. Samples (50g to 500g) are available for verified R&D labs and industrial purchasing departments before placing a bulk contract order.
Complete your sourcing requirements with our premium collection of single botanical extracts.
