Health Benefits of Polyphenols in  Seabuckthorn Leaves Research confirms protective effect of polyphenols in seabuckthorn leaf.  Seabuckthorn leaf contains polyphenols, minerals, protein, vitamins and serotonin.  Scientists at the Food Development Center in Manitoba, conducted analysis of Solberry Seabuckthorn leaf.  Canadian research identified large amount of polyphenols 9360 mg per 100 grams in Solberry seabuckthorn leaf […]