There are three isomers of silymarin: silibinin, isosilybin, and silybin. Of these, silymarin has the strongest activity and is a property of silymarin extract.

Our milk thistle extract is made from the dried fruit of Silybum marianum G., the extract is usually standardized to contain 80% of total silymarin and is water soluble.

Our silymarin is mainly used in medicine, cosmetics, health care products and other fields.

Benefits of Silybum Marianum Extract Silymarin：

1. Hepatoprotective effect

Silymarin, the main active ingredient in hepatoprotection, has regenerative properties, stimulates the formation of new hepatocytes and improves liver function.

2. Antioxidant

The phenolic hydroxyl group of silymarin provides hydrogen atoms and has a powerful antioxidant effect. They have free radical scavenging properties and anti-lipid peroxidation activity.

3. Lower blood lipids

COA OF Silybum Marianum Extract Silymarin

Analysis	Specification	Result
Appearance	Yellow to yellowish-brown amorphous powder	Yellowish brown powder
Odor	Slight, Characteristic	Characteristic
Particle size	90% pass 80 mesh	90% pass 80 mesh
Solubility
In water	Practically insoluble	Practically insoluble
In methanol and acetone	Soluble	Soluble
Chemical Tests
Assay of silymarin (UV) (on dried basis)	80% Min	83.6%
Assay of silymarin (HPLC) (on dried basis)	/	45.4%
Silybin A.B	/	28.1%
Isosilybin A.B	/	5.0%
Silydianin & Silychristin	/	12.5%
Loss on drying (2 hours 105℃)	5.0% Max	4.0%
Sulphated ash	0.5% Max	<0.5%
Residue solvents
N-hexane	0.029% Max	<0.029%
Methanol	0.3% Max	<0.3%
Acetone	0.5% Max	<0.5%
Ethy acetate	0.5% Max	<0.5%
Ethanol	0.5% Max	<0.5%
Heavy metals	10.0ppm Max	<10.0ppm
Microbiology Control
Total plate count	1000cfu/g Max	<1000cfu/g
Yeast & Mold	100cfu/g Max	<100cfu/g
E. Coli	Not detected	Not detected
Salmonellaspecies	Not detected	Not detected
Conclusion	Complies with the standards.
General Status	Non-GMO, Non-irradiation, ISO Certificated.
Packing and Storage
Packing: Pack in paper-carton and two plastic-bags inside.
Shelf life: 2 year when properly stored.
Storage: Store in a well-closed place with constant low temperature and no direct sun light.