Botanical Source: Magnolia officinalis
Specification: 2%
Appearance: Brown yellow Powder
Used Part: Bark
Test Method: HPLC
Solubility: Not soluble in water
MOQ: 1 kg
Sample: 20 g
Packing: 1 kg in aluminum foil bag; 25 kg in fibre drum
Delivery: FedEx, DHL, air shipment, sea shipment
Certifications: ISO, HACCP, KOSHER, HALAL, BRC
Features:
Non-irradiated
GMO-free, allergen-free, TSE/BSE-free
Not treated with ETO during production, storage, or transportation
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Reliable Magnolia Officinalis Extract Manufacturer & Bulk Supplier
Greenherb operates a certified processing facility specializing in Magnolia Officinalis Extract, a standardized neolignan-rich botanical ingredient derived from the bark of Magnolia officinalis through controlled ethanolic extraction and spray drying. Our production system delivers consistent honokiol and magnolol dual standardization, verified botanical identity, and batch-level documentation for stress comfort, cognitive wellness, and metabolic supplement formulations.

Why Choose Greenherb Magnolia Officinalis Extract
- Honokiol and Magnolol Dual Standardization — Each batch is verified by HPLC for both honokiol and magnolol content independently. These two neolignan isomers are the primary bioactive compounds of Magnolia officinalis bark. Dual verification confirms both individual compound specifications and their ratio, which influences the extract’s overall functional activity profile.
- Bark-Exclusive Raw Material — Our extract is derived exclusively from Magnolia officinalis bark, the plant part with the highest honokiol and magnolol accumulation. Bark sourcing avoids dilution by leaf or flower material with substantially different phytochemical profiles.
- Ethanolic Extraction for Lipophilic Neolignans — Honokiol and magnolol are lipophilic neolignan compounds with limited water solubility. Our ethanol-dominant extraction system maximizes recovery of both compounds from the bark matrix. This delivers higher neolignan yield than hydroalcoholic systems with lower alcohol ratios.
- Residual Solvent Verification — Post-extraction drying protocols are validated by headspace GC analysis. Residual ethanol levels are confirmed below international pharmacopeia limits before batch release.
- Heavy Metal and Pesticide Compliance — Every lot undergoes ICP-MS heavy metal screening and GC/LC-MS pesticide residue analysis against EU and US thresholds before release.
- Complete Export Documentation — COA, MSDS, Non-GMO affidavit, honokiol and magnolol certificate, residual solvent report, and heavy metal test report accompany every shipment.
Certificate of Analysis
What Is Magnolia Officinalis Extract
Honokiol and Magnolol as Structural Isomers
Magnolia officinalis bark extract is defined by two neolignan compounds sharing the same molecular formula but differing in their hydroxyl group positioning. Honokiol carries hydroxyl groups at positions 3 and 5 of its biphenyl structure. Magnolol carries them at positions 5 and 5 prime. This structural difference influences their respective interactions with biological receptor systems including GABA-A receptor complex modulation. Both compounds cross the blood-brain barrier due to their lipophilic character. This central nervous system accessibility underpins the extract’s recognized positioning in anxiety comfort and cognitive wellness formulations.
Why Both Isomers Matter
Some commercial preparations standardize only for total honokiol plus magnolol combined content. This approach masks individual compound variation between batches. Our dual individual HPLC verification confirms that both honokiol and magnolol are present at specified concentrations. The honokiol-to-magnolol ratio in Magnolia officinalis bark extracts influences the complete functional activity profile. Confirming individual specifications rather than combined totals provides formulators with greater confidence in batch-to-batch consistency of the complete neolignan profile.

Production Process
Incoming Magnolia officinalis bark is authenticated by botanical identity verification and HPLC neolignan fingerprinting. Honokiol and magnolol content, moisture, heavy metals, pesticide residues, and microbiological status are screened before processing.
- Bark Preparation — Dried Magnolia officinalis bark undergoes cleaning to remove foreign matter and is mechanically reduced to defined particle size to maximize ethanol penetration and neolignan extraction efficiency.
- Ethanolic Extraction — Ground bark is extracted using a high-ratio ethanol solvent system under controlled temperature and time parameters. Ethanol-dominant conditions selectively solubilize the lipophilic honokiol and magnolol fractions from the bark matrix.
- Filtration and Solvent Recovery — Crude extract undergoes filtration to remove insoluble bark fiber and resin. Ethanol is recovered under reduced pressure at controlled temperatures preserving neolignan compound integrity.
- Dual-Marker Standardization — Concentrated extract is measured by HPLC for honokiol and magnolol individually. Controlled blending achieves target specifications for both compounds simultaneously, confirming the characteristic Magnolia officinalis neolignan ratio.
- Spray Drying — Standardized extract is atomized and dried with food-grade carrier support at validated temperatures, producing a uniform off-white to light tan free-flowing powder.
- Quality Release and Packaging — Each lot undergoes honokiol HPLC quantification, magnolol HPLC quantification, residual ethanol by headspace GC, moisture, heavy metals, and microbiological compliance testing before sealing in double-layer PE inner bags with desiccants in light-proof nitrogen-flushed drums.

Functional Properties & Benefits
Anxiety Comfort and Stress Relief
Magnolia Officinalis Extract occupies a distinct position in the anxiety comfort supplement category. The honokiol and magnolol neolignan fraction interacts with GABA-A receptor complexes through a positive allosteric modulation mechanism. This supports formulations designed to promote a calm, settled emotional state and contribute to comfortable anxiety management during daily routines. The central nervous system accessibility of both neolignans underpins this well-researched functional positioning.
Cognitive Clarity and Cortisol Comfort
Some cognitive wellness and stress management formulations incorporate Magnolia Officinalis Extract for its contribution to cortisol comfort support and mental clarity. Products designed to support comfortable cortisol levels during stressful periods and promote a focused, clear cognitive state incorporate honokiol and magnolol as complementary neuroactive neolignan compounds alongside primary adaptogenic ingredients.
Weight Management and Metabolic Comfort
An emerging application category for Magnolia Officinalis Extract involves metabolic wellness and weight management comfort formulations. The honokiol content contributes to products designed to support comfortable cortisol metabolism, promote a balanced stress-eating response, and contribute to comfortable body weight management as part of a structured nutritional program. This metabolic wellness dimension expands the ingredient’s application scope beyond primary anxiety and cognitive wellness categories.
Applications
Anxiety Comfort and Stress Management Supplements
Magnolia officinalis supplement formulations in hard capsule and tablet formats. Dual honokiol and magnolol HPLC standardization, bark-exclusive botanical identity, and comprehensive residual solvent and regulatory documentation support finished product positioning in the anxiety comfort and daily stress management supplement category.
Sleep and Evening Relaxation Formulations
Multi-ingredient evening wellness formulations combine Magnolia Officinalis Extract with valerian root extract, L-theanine, and complementary calming botanical ingredients. GABA receptor-adjacent positioning, anxiety comfort, and physical relaxation support represent primary positioning concepts in premium sleep preparation supplement formulations.
Weight Wellness and Cortisol Management Blends
Multi-ingredient cortisol comfort and weight wellness formulations combine Magnolia Officinalis Extract with phosphatidylserine, ashwagandha, and complementary stress-metabolism botanicals. Cortisol comfort management and stress-related metabolic wellness support represent primary positioning concepts in this growing supplement category.

Contact Greenherb for Magnolia Officinalis Extract Supply
Greenherb supplies Magnolia Officinalis Extract with verified honokiol and magnolol profiles, backed by comprehensive third-party testing. We offer flexible order quantities from laboratory samples to full container loads. Customized honokiol and magnolol standardization ratios, residual solvent specifications, and particle size options are available on request. For immediate assistance, contact our sourcing team directly.
Greenherb – Your Strategic Partner for Botanical Ingredients and Functional Foods.
GreenHerb is a trusted supplier of high‑quality plant extract powders. We offer custom specifications, strict third‑party quality control, and reliable global shipping. Whether you need samples or bulk orders, we deliver pure, consistent ingredients to customers worldwide.
Global Shipping Coverage
We offer worldwide shipping service for all plant extract powder items. Orders can be delivered to most countries and regions, meeting diverse international business demands.
Safe & Efficient Distribution
- We provide all customs documents (invoice, COA, packing list) and a tracking number for every order. Shipping cost is calculated at checkout. For bulk orders, contact us for a competitive freight quote.
- We offer flexible packaging: 1kg, 5kg, 10kg, 25kg bags, or bulk drums. Customizable bag materials (foil, kraft paper)
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CONTACT INFORMATION
Do you have questions about how we can help your company? Send us an email and we’ll get in touch shortly.
