The Extract Factory is a leading manufacturer and bulk supplier of premium Silymarin 80% in China, recognized for delivering consistent ingredient quality and competitive direct-factory pricing. We specialize in high-standard botanical extracts for the nutraceutical, pharmaceutical, and cosmetic industries. Whether you are sourcing raw materials for liver-support supplements, detox formulations, or antioxidant skincare, our milk thistle extract is produced to meet the exacting demands of global manufacturers, formulators, and wholesale distributors.
Product Overview
Silymarin 80% is a highly concentrated, standardized extract derived from the seeds of Silybum marianum, commonly known as milk thistle. This premium botanical ingredient is characterized by a complex of flavonolignans—primarily silybin (silibinin), silydianin, and silychristin—which collectively deliver potent hepatoprotective, antioxidant, and free-radical-scavenging activity.
As consumer preference shifts toward evidence-based natural solutions for liver protection and metabolic detoxification, Silymarin 80% has become a foundational ingredient in premium dietary supplement lines. Our extract is standardized to a minimum of 80% total silymarin content by HPLC, ensuring reproducible potency for finished product manufacturers who require batch-to-batch reliability in their formulations.
Specifications & Certificate of Analysis
Every production lot is rigorously analyzed according to internationally recognized analytical methods. The following quality parameters demonstrate the purity, safety, and physical consistency of our Silymarin 80% extract:
| Test Item | Specification | Result | Method |
|---|---|---|---|
| Silymarin Content | ≥80% | 81.2% | HPLC |
| Appearance | Fine, light yellow powder | Complies | Visual Inspection |
| Odor | Characteristic, slight herbal | Complies | Sensory Evaluation |
| Loss on Drying | ≤5% | 3.2% | Gravimetric Method |
| Ash Content | ≤5% | 4.1% | ASTM D4865 |
| Heavy Metals (as Pb) | ≤10 ppm | 5.4 ppm | ICP-MS |
| Microbial Contaminants | <1000 CFU/g | Complies | USP <61> |
| Total Plate Count | <1000 CFU/g | 800 CFU/g | USP <61> |
| Yeast & Mold | <100 CFU/g | 50 CFU/g | USP <61> |
| Pesticides | Absent | Complies | GC-MS |
| Solubility | Soluble in ethanol and water | Complies | Visual Inspection |
| Bulk Density | 0.45–0.55 g/cm³ | 0.49 g/cm³ | ASTM D1895 |
| Particle Size | 95% < 80 mesh | 98% < 80 mesh | Sieve Analysis |
These analytical results confirm that the material meets stringent specifications for heavy metals, microbial limits, and pesticide absence, making it suitable for high-compliance markets and sensitive applications.
Physical and Chemical Characteristics
Our Silymarin 80% presents as a fine, light yellow powder with a characteristic slight herbal odor. It demonstrates favorable solubility in both ethanol and water, supporting versatile formulation across aqueous and lipid-based delivery systems. With a bulk density of 0.49 g/cm³ and 98% of particles passing through an 80-mesh sieve, the powder exhibits excellent flowability and uniform dispersibility—critical attributes for capsule filling, tablet compression, and powder blending operations. Low moisture (3.2% loss on drying) and controlled ash content (4.1%) further attest to the purity and stability of the dried extract.
Raw Material Sourcing & Extraction Process
We begin with milk thistle seeds sourced through established agricultural partnerships that prioritize sustainable cultivation practices and full traceability. Raw materials are botanically authenticated and inspected for identity and purity before entering production.
The extraction process employs advanced solvent extraction and purification technologies designed to concentrate the bioactive flavonolignan complex while preserving the natural matrix. Subsequent refinement steps standardize the silymarin content to 80%, followed by low-temperature drying and milling to achieve the target particle size distribution. Throughout processing, we monitor critical control points to prevent degradation of heat-sensitive actives and ensure the final extract retains its full therapeutic potential.
Functional Benefits & Industry Applications
Silymarin is widely acknowledged within the phytochemical and nutraceutical industries for its multifaceted physiological benefits:
- Hepatoprotective Support: Silymarin helps stabilize hepatocyte cell membranes and supports the regeneration of liver tissue. It is frequently formulated into products targeting liver detoxification, alcohol-induced oxidative stress, and environmental toxin exposure.
- Antioxidant Defense: The flavonolignan complex neutralizes reactive oxygen species (ROS), reducing oxidative damage at the cellular level. This activity underpins its use in both internal supplements and topical anti-aging formulations.
- Metabolic Detoxification: By promoting healthy Phase II detoxification enzyme activity, Silymarin 80% aids the body’s natural cleansing pathways, an attribute highly valued in modern wellness and detox supplement categories.
- Digestive & Biliary Health: Silymarin contributes to healthy digestive function by supporting gallbladder activity and bile flow, which assists in the breakdown and absorption of dietary fats.
- Dermatological & Cosmetic Use: When incorporated into skincare at concentrations of 0.5% to 2%, silymarin contributes to skin rejuvenation, soothes irritation, and provides a defensive barrier against environmental stressors and visible signs of aging.
Primary Application Sectors
Dietary Supplements & Nutraceuticals
Silymarin 80% is an ideal active ingredient for hard-shell capsules, softgels, tablets, and powdered drink mixes positioned for liver health, daily detox, and general vitality. It pairs effectively with complementary botanicals such as artichoke leaf, dandelion root, and turmeric extract in comprehensive hepatic support formulas.
Functional Food & Beverage
The extract can be incorporated into functional shots, wellness powders, and health-focused beverages where liver support claims align with product positioning. Its ethanol and water solubility facilitates integration into diverse liquid and dry food matrices.
Cosmetics & Personal Care
Formulators utilize silymarin in serums, creams, and lotions targeting antioxidant protection, calming compromised skin, and improving overall skin resilience. Its inclusion supports emerging clean-beauty narratives around botanical efficacy.
Formulation Guidance & Dosage Recommendations
For product developers and contract manufacturers, the following dosage frameworks are commonly employed in commercially successful formulations:
- General Liver Health: 140 mg to 420 mg per day, typically administered in two to three divided doses.
- Detoxification Support: 200 mg to 400 mg per day, depending on the concentration of the finished product and intended use cycle.
- Topical Skincare: 0.5% to 2% in leave-on creams or serums. Compatibility testing is advised given the phenolic nature of the extract.
Bioavailability Considerations
Formulators should note that silymarin exhibits limited oral bioavailability due to poor water solubility and hepatic first-pass metabolism. To enhance absorption in supplement applications, consider delivery systems that incorporate phosphatidylcholine (as in phytosome technology) or piperine, both of which have been shown in formulation science to improve the pharmacokinetic profile of flavonolignans.
Note: Recommended dosages serve as general formulation benchmarks. Individual requirements vary by health status, and it is always advisable to recommend that end users consult a qualified healthcare professional before commencing any new supplement regimen.
Safety Profile, Potential Considerations & Mitigation Strategies
While Silymarin 80% is generally well tolerated, B2B customers and formulators should be aware of the following considerations when developing finished products:
| Consideration | Description | Recommended Solution |
|---|---|---|
| Allergic Reactions | Rare instances of skin irritation or mild digestive discomfort may occur in sensitive individuals, particularly with high-dose or topical use. | Discontinue use if symptoms arise. For topical products, conduct a patch test during stability and safety testing. |
| Digestive Upset | High oral doses may lead to bloating, nausea, or loose stools in some consumers. | Recommend splitting the daily dosage across multiple administrations or lowering the per-serving quantity. |
| Medication Interactions | Silymarin may influence the metabolism of certain prescription drugs processed by hepatic cytochrome P450 enzymes, including some blood thinners. | Include clear label cautions advising consumers to consult a healthcare provider prior to use if they are taking prescription medications. |
| Taste & Sensory Profile | The extract possesses a naturally bitter, astringent taste that may be perceptible in unflavored powder applications. | Encapsulation, film-coating, or the use of flavor-masking excipients in powder sachets and drink mixes can improve palatability. |
Packaging, Storage & Handling
To preserve the integrity of the active flavonolignans during transit and long-term warehousing, our Silymarin 80% is packaged in industry-standard, airtight containers—typically multi-layer polyethylene liners sealed within fiber drums or aluminum composite drums for bulk wholesale orders. This configuration protects against moisture ingress, oxidation, and light exposure.
Storage Recommendations:
Store in a cool, dry, and well-ventilated environment away from direct sunlight, excessive heat, and incompatible materials. When handled and stored under recommended conditions, the material maintains its physical stability and standardized potency throughout its intended shelf life. Always reseal packaging immediately after sampling or decanting.
Why The Extract Factory Is Your Preferred Silymarin Supplier
Standardized Potency & Verified Purity
Our Silymarin 80% delivers a guaranteed minimum 80% total silymarin via quantitative HPLC, with actual assay results typically reaching 81.2%. This level of standardization provides formulators with precise dosing confidence and reduces variability in finished goods.Ethical & Traceable Sourcing
We maintain direct relationships with established milk thistle cultivation networks, enabling full traceability from raw seed to extracted powder. Our supply chain emphasizes agricultural consistency and sustainable harvesting practices.Advanced Manufacturing Infrastructure
Utilizing state-of-the-art extraction, concentration, and drying technologies, we preserve the complete spectrum of active flavonolignans while achieving the particle size, density, and solubility characteristics demanded by modern production lines.Comprehensive Quality Assurance
Each batch undergoes multi-phase testing—identity, potency, heavy metals, microbial screening, and pesticide residue analysis—guaranteeing 99% consistency in silymarin content and ensuring compliance with rigorous B2B quality standards.Direct-Factory Pricing & Scalable Supply
By manufacturing at scale and eliminating unnecessary intermediaries, we deliver premium botanical extracts at competitive price points. Our production capacity supports both emerging brands placing initial orders and established distributors requiring high-volume, continuous supply.
Custom Manufacturing & Wholesale Inquiry
The Extract Factory offers comprehensive OEM and ODM services tailored to the unique specifications of your brand. Whether you require bespoke blending, alternate standardizations, private-label packaging, or bulk raw material supply of Silymarin 80%, our technical team is equipped to support your product development from concept to commercialization.
Contact us today to request a detailed quotation, technical data sheet, or sample evaluation.
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