Pterostilbene is a type of polyhydroxystilbene compound. It naturally occurs in many plants such as grapes, blueberries and Dracaena cochinchinensis. It was first discovered in red sandalwood, hence the name pterostilbene.
This ingredient appears as white or off-white powder and boasts a wide range of health benefits. As an antifungal active component in dragon’s blood extracts, it also shows positive effects in supporting the management of cancer, high blood pressure and high blood lipid levels.
| Items | Standards | Method | Results |
|---|---|---|---|
| Appearance | white or off white powder | Visual | off white powder |
| Melting Point | 92-96℃ | Ch.p2015 II Appendix | 93.2-94.6℃ |
| Assay | ≥99% | HPLC | ≥99.84% |
| Loss on Drying | ≤ 0.5% | Ch.p2015 II Appendi | 0.07% |
| Moisture Content | ≤ 0.5% | GB 5009.3 Karl Fiscoher method | 0.14% |
| Ignition residue | ≤ 0.5% | Ch.p2015 II Appendi | 0.04% |
| Heavy metal | ≤ 10ppm | GB 5009.74 | Complies |
| Arsenic(As) | ≤ 2.0ppm | ISO 17294-2 2016 | Complies |
| Cadmium(Cd) | ≤ 2.0ppm | ISO 17294-2 2016 | Complies |
| Lead (Pb) | ≤ 5.0ppm | ISO 17294-2 2016 | Complies |
| Mercury(Hg) | ≤1.0ppm | BS EN 13806:2002 | Complies |
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
Pterostilbene is a natural polyphenol compound, an analog of resveratrol, mainly extracted from blueberries, grapes and other plants. It features better lipophilicity and higher bioavailability than resveratrol.
Main hot-selling specs: 98% HPLC. Customized specifications are available upon request. We can provide COA, MSDS, TDS and other supporting documents.
1kg/aluminum foil bag, 25kg/drum, or packed as per customer’s requirements.
Yes, free samples ranging from 10g to 50g are available for your testing before formal orders.
Store in a cool, dry and sealed place, keep away from light and heat. Shelf life is 24 months under proper storage.