Sample: Available
Appearance: Almost white powder
Delivery: within 3 days after payment
Certifications: ISO, HACCP, HALAL, KOSHER
Foil bag: 1-10kg; Drum: 20,25kg
- Product Description
Milk Thistle Extract 80% Silymarin - Premium Liver Support Ingredient
Xi'an Linnas Biotech Co., Ltd. manufactures pharmaceutical-grade Milk Thistle Extract 80% Silymarin, standardized using HPLC analysis to guaranty exact potency and uniformity. Our extract has a minimum of 80% silymarin content, a regulated particle size distribution (95% through 80-mesh), an optimized bulk density of 0.45-0.60 g/ml for better encapsulation flowability, and stringent residual solvent control that complies with USP <467>. Each batch is subjected to stringent testing for heavy metals, microbiological limitations, and active compound verification while being produced in ISO 9001 and HACCP certified facilities. We offer dependable supply chain solutions for supplement producers globally, with delivery within three days of payment confirmation and extensive certifications like Halal and Kosher.
Product Specifications
With exact technical specifications, our product satisfies global pharmaceutical standards:
|
Parameter |
Specification |
|
Active Content |
80% Silymarin (HPLC) |
|
Appearance |
Almost white to light yellow powder |
|
Particle Size |
95% pass through 80 mesh |
|
Bulk Density |
0.45-0.60 g/ml |
|
Moisture Content |
≤5.0% |
|
Residual Solvents |
USP <467> compliant |
|
Heavy Metals |
≤10ppm |
|
Sample Availability |
Available for testing |
|
Packaging |
1-10kg foil bag; 20kg/25kg drum |
|
Shelf Life |
36 months under proper storage |
The extract is useful for a variety of manufacturing applications since it exhibits exceptional stability during processing at temperatures as high as 80°C.

Chemical Properties and Quality Advantages
Silybin A and B, which are the most physiologically active flavonolignans, make up the majority of the silymarin complex. These substances are preserved by our extraction procedure while upholding strict purity requirements.
The powder dissolves easily in ethanol, methanol, and acetone but is lipophilic and has little solubility in water. It is perfect for oil-based delivery methods and softgel formulations because of this feature.
Instead of using harsh chemical solvents, we use ethanol extraction techniques that are recommended for clean-label products. This method maintains high silymarin recovery rates while guaranteeing residual solvent levels stay substantially below regulatory thresholds.
ORAC assays are used to measure the antioxidant capability of each production batch. The extract has strong antioxidant qualities that hold true over the course of production and product shelf life.

Applications in Health Supplements
A key component of many different supplement categories is Milk Thistle Extract 80% Silymarin. Manufacturers use it in liver health treatments that help detoxification and preserve hepatic function.
This extract is often the main active element in recovery products that address alcohol-induced oxidative damage. Smaller serving quantities offer focused assistance due to the high content of silymarin.
The extract's demonstrated ability to scavenge free radicals is advantageous for antioxidant supplements. It improves all-encompassing wellness formulations when combined with other botanicals.
Applications for internal antioxidant support that promote overall complexion control can also be found in skin health products. Because of its adaptability, the extract can be incorporated into tablets, capsules, and specific delivery devices.

Manufacturing Excellence and Certifications
Strict quality control procedures that have been validated by numerous international certifications are in place at our production facilities. Our dedication to consistent manufacturing procedures and quality control is demonstrated by our ISO 9001 certification.
From the receipt of raw materials to the final packing, HACCP certification guaranties food safety management throughout the production process. This methodical approach preserves the integrity of the product while reducing the danger of contamination.
Certifications for halal and kosher increase market accessibility, enabling your products to cater to a variety of consumer demographics with particular dietary needs. To ensure compliance, these certifications are routinely audited.
Every batch is thoroughly tested with cutting-edge analytical tools. While further tests show the absence of pollutants such as pesticides, heavy metals, and microorganisms, HPLC analysis certifies the silymarin content.
From the procurement of raw materials to the release of the final product, we keep thorough traceability records. Your quality assurance and regulatory compliance initiatives are supported by this openness.

Packaging and Storage Recommendations
80% of our Milk Thistle Extract Silymarin is delivered in packaging that is intended to keep active ingredients safe during storage and transit. Triple-layer aluminum foil bags with heat sealing are used to ship small quantities.
Fiber drums with double-layer food-grade PE bag liners are used for bulk orders. Desiccant packets are included in every container to regulate moisture exposure and stop hygroscopic deterioration.
The extract exhibits sensitivity to humidity, light, and oxygen. Sealed containers should be kept out of direct sunlight and in cool, dry conditions below 25°C.
The product retains its full efficacy for 36 months after the date of manufacture when stored correctly. Reduce air exposure after opening by quickly resealing containers and using contents within advised timeframes.

Frequently Asked Questions
Q: What separates HPLC analysis from 80% UV measurement?
A: Total phenolic chemicals are measured non-specifically by UV techniques, which usually yield greater percentages. HPLC provides precise potency testing by separating individual flavonolignans. By HPLC standards, an 80% UV result usually translates to 50–55%.
Q: How can formulations be made more bioavailable?
A: The standard extract is not very soluble in water. Combining phospholipid complexes (phytosome technology), piperine, or liposomal delivery systems that promote gastrointestinal uptake can enhance absorption.
Q:Can vegetarian capsules be made using this extract?
A: Indeed, there are no components derived from animals in the extract. However, independently confirm that any carriers and the capsule shell material you have selected satisfy vegetarian or vegan standards.
Q: Which solvent do you use for extraction?
A: Our principal method is ethanol extraction, which keeps residual solvent levels low and complies with clean-label product requirements. Safety, purity, and effective silymarin recovery are all balanced by this technique.
Q: How can batch-to-batch consistency in quality be guaranteed?
A: Uniformity is maintained by our automated production lines and regular operating procedures. Every batch is subjected to the same testing procedures, and the outcomes are recorded in Certificates of Analysis that are sent with each shipment.
Contact Us for Your Ingredient Needs
Ready to source premium Milk Thistle Extract 80% Silymarin for your supplement line? Contact our technical team at cathy@linnas.com.cn for samples, custom specifications, or OEM solutions tailored to your formulation requirements.









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