Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
8/10
Xi'an Sengmei Biological Technology Co., Ltd
We are professional supplier of animal and plant extracts.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
8/10
Appearance | White or off-white crystalline powder |
Content of related substances | comply with EP5 |
Identification | Correspond |
Clear and color | 0.01 g/ml solution (in 4g/l NaOH ) is clear and colorless |
Heavy metals | 10 ppm max |
Sulphated ash | 0.1% max |
Specific optical rotation | + 89' -- + 93' |
Organic volatile impurities | Complies with USP demands |
Assay | 98.5 % -- 100.5 % |
Loss on drying | 0.5 % max |
Pterostilbene is a stilbenoid chemically related to resveratrol. In plants, it serves a defensive phytoalexin role. The possible biological effects of pterostilbene are being examined in basic research involving laboratory models of several disorders, including age-related cognitive decline.