Pterostilbene
Brief Introduction:
Pterostilbene is a chemical component that was originally isolated from the red sandalwood tree (Pterocarpus santalinus), hence its name. It belongs to the class of polyhydroxystilbenes and is a methylated derivative of resveratrol. It has a variety of biological activities and is widely used in medicine, food, and cosmetics.
Chemical Structure & Properties:
Chemical Formula: C₁₆H₁₆O₃
Structure: Two benzene rings connected by a vinyl group, with two more methoxy groups (-OCH₃) than resveratrol, which enhances fat solubility and bioavailability, making it easier for the human body to absorb.
Biological Activity & Potential Efficacy:
★ Antioxidant & Anti-inflammatory:
- Pterostilbene can reduce oxidative stress by scavenging free radicals, activating antioxidant enzymes (such as SOD), and inhibiting inflammatory factors (such as NF-κB), which may be beneficial for chronic inflammatory diseases (such as arthritis).
★ Anti-cancer Potential:
- Laboratory studies have shown that Pterostilbene can induce apoptosis of cancer cells and inhibit proliferation, and has certain effects on breast cancer, colon cancer, etc., but clinical verification is still needed.
★ Neuroprotection:
- Pterostilbene may improve cognitive function and reduce β-amyloid deposition, and has potential applications in neurodegenerative diseases such as Alzheimer's disease.
★ Metabolic Regulation:
- Pterostilbene activates the AMPK pathway, regulates blood sugar and blood lipids, or has an auxiliary effect on diabetes and obesity.
★ Antibacterial & Anti-aging:
- Pterostilbene inhibits certain bacteria and fungi; in the field of skin care, it is used as an anti-aging ingredient to promote collagen synthesis.
Application Areas of Pterostilbene:
♔ Health Products:
As an antioxidant supplement, Pterostilbene is often used to delay aging and enhance immunity.
♔ Medical Research & Development:
Explore its therapeutic potential in diseases such as cancer and diabetes.
♔ Skin Care Products:
Pterostilbene is often added to anti-wrinkle and repair products.
Specifications of our Pterostilbene:
| Test Items | Specifications | Test Methods |
| Appearance | Off-white or white powder | Visual |
| Melting Point | 92℃ ~ 96℃ | Ch.p 2015 Ⅱ Appendix |
| Assay (HPLC) | Not less than 99% | HPLC |
| Loss on Drying | Not more than 0.5% | Ch.p 2015 Ⅱ Appendix |
| Moisture Content | Not more than 0.5% | GB 5009.3
Karl Fischer Method |
| Residue on Ignition | Not more than 0.5% | Ch.p 2015 Ⅱ Appendix |
| Heavy Metals | Not more than 10 ppm | GB 5009.74 |
| Arsenic (As) | Not more than 2.0 ppm | ISO 17294-2 2016 |
| Cadmium (Cd) | Not more than 2.0 ppm | ISO 17294-2 2016 |
| Lead (Pb) | Not more than 5.0 ppm | ISO 17294-2 2016 |
| Mercury (Hg) | Not more than 1.0 ppm | BS EN 13806:2002 |
Packaging:
50g/Bag, 100g/Bag, 500g/Bag, 1kg/Bag or according to the specific requirements from customers.
Storage Conditions:
Pterostilbene should be stored in the original containers in a cool dry place(8℃~15℃); protected from sunlight and moisture.
Shelf Life:
24 months if stored under above mentioned conditions.
