“Forty samples were extracted from defatted kernels and hulls of two varieties of hempseed (Bama and Yunma No. 1)…
Two compounds, with predominant antiradical activity, were isolated…
N-trans-caffeoyltyramine and cannabisin B….
The two compounds exhibited significant high DPPH() scavenging activity and protective effect against in vitro oxidation of human low-density lipoprotein compared with extracts from flaxseed, grape seed, and soybean.
This suggests that hempseed hull extract is a potential source of natural antioxidants, which could be added to dietary supplements to help prevent oxidative stress.”