Alpha-fetoprotein, identified as a novel marker for the antioxidant effect of placental extract, exhibits synergistic antioxidant activity in the presence of estradiol.
Placenta, as a reservoir of nutrients, has been widely used in medical and cosmetic materials.Here, we focused on the antioxidant properties of placental extract and attempted to isolate and identify the main antioxidant factors.Porcine placental extracts were prepared through homogenization or acid hydrolysis, and their antioxidant activity was in