What is Milk Thistle Standardized Extract?
Milk Thistle Standardized Extract is high high-concentration botanical ingredient, extracted from the seeds of the Silybum marianum, is a standardized compound designed to provide a consistent level of silybin, standardized to 80 percent. These functional agents are known to be composed of the active complex, which mainly contains flavonolignans, among others that include silybin, isosilybin, silychristin, and silydianin. The effects of this work are well-suited to liver health and in enhancing antioxidant defense in a given formulation. The standardized extract is created using high-level techniques in the use of solvent extraction through tightly regulated quality standards, which allow high purity and reproducibility of batches as well as adherence to international levels of food and nutraceutical standards. It is extensively used in the manufacturing aspects in synthesizing dietary supplements, functional foods, beverages, and pharmaceutical formulae that focus on its liver sustenance and metabolism. Its solubility, stability, and compatibility with other botanics and actives mean that it will most likely be used as a choice component of OEM/ODM formulas in most international markets.

COA
| Item | Specification | Result | Test Method |
| Appearance | Yellow-brown fine powder | Conforms | Visual |
| Odor & Taste | Characteristic | Conforms | Organoleptic |
| Silymarin Content | ≥ 80.0% | 80.25% | UV |
| Loss on Drying | ≤ 5.0% | 2.31% | 5g/105°C/2hrs |
| Ash Content | ≤ 5.0% | 3.22% | 3g/525°C/3hrs |
| Sieve Analysis | 95% pass 80 mesh | Conforms | USP<786> |
| Heavy Metals | ≤ 10 ppm | <5 ppm | ICP-MS |
| Arsenic (As) | ≤ 2 ppm | <1 ppm | ICP-MS |
| Lead (Pb) | ≤ 3 ppm | <1 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | <0.2 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | <0.05 ppm | ICP-MS |
| Total Plate Count | ≤ 1,000 CFU/g | <100 CFU/g | USP<2021> |
| Yeast & Mold | ≤ 100 CFU/g | <10 CFU/g | USP<2021> |
| E. coli | Negative | Negative | USP<2022> |
| Salmonella | Negative | Negative | USP<2022> |
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Specification
Our Silybum Marianum Extract is made using Silybum marianum seeds and produced in high specification purity levels that are widely demanded in the international business. Grade that is most in demand has 80% Silymarin, which is tested in either HPLC or UV means meaning sure of maintaining consistency of potency to carry the formulation. Other than the total silymarin content, we also supply extracts standardized to contain Silybin 30%, which is the most bioactive entity of the complex silymarin. These are some of the best and requested specifications in the industry, which provide a consistent mixture of effectiveness and stability to use as dietary supplements or capsules, tablets, or functional blends. The product is usually available as a fine yellow brown powder produced in a rigorous quality control environment and with full documentation to facilitate regulatory compliance and transparency in formulations that also include COA, MSDS, and third-party test results.
Advantages
1. High and Stable Active Content
All the batches are standardized to 80 percent silymarin, which ensures the product will be consistently potent throughout the production runs. This qualifies it to be most appropriate in the perfect formulation of finished goods that need quantified actives.
2. Excellent Compatibility in Complex Formulations
It has good solubility, dispersion potential in dry and semi-liquid matrices, and thus can be used in the formulation of tablets, softgels, granules, and functional powders with no effect on stability.
3. Manufactured Under GMP-Level Conditions
The extract was manufactured in ISO9001, ISO22000, and HACCP-certified plants, which guarantee its quality and safety. All the lots are traceable and verified by HPLC/UV test and third-party validation.
4. Long Shelf Stability and Low Moisture Content
To ensure our extracts are sold with low residual moisture, making them last longer in the stores and to prevent degradation when kept in storage or when being transported to other destinations, our products are handled in a way that would be beneficial to international supply chains.
5. Regulatory and Documentation Support for Export Markets
Availability of full technical data sheets, COAs, MSDS, country submission certificates, etc, will facilitate easy registration and distribution of the product in various regions by our partners.
6. Available in Custom Bulk Packaging
We provide flexible bulk packaging Bulk Milk Thistle Extract options (e.g., 1kg /aluminum foil bag, 25kg /fiber drum) adapted to various quantities of production and logistic needs, able to serve pilot production and high-volume production.

How to choose?
Selecting the most appropriate specification of Milk Thistle Seed Extract is based on your own specific formulation needs, regulatory needs, and production format. In the liver health products with high efficacy, the extracts standardized to 80% of silymarin or 30% of silybin are particularly popular because of their highly concentrated bioactive profile; this enables the reduction of the volume of the dosage and the stronger positioning of the product. HPLC-tested grades can be selected when exacting active content and compliance are required, particularly where a high degree of scrutiny of the quality of the product by the market is required. In formulations where cost consideration is more important, there is an opportunity to find a compromise in 80% silymarin formulated under UV testing conditions, which causes no overall functionality compromise. Also, the solubility, mesh size, and compatibility with processing equipment must be taken into account in case of adding smooth integration with capsules, tablets, powders, or liquid systems. When the selection of specifications is closely coordinated with the formulation and market strategy, the brands and manufacturers can acquire both technical efficacy and commercial effectiveness.
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