The plant lignan secoisolariciresinol diglycoside (SDG) from flaxseed may be antitumorigenic due to its estrogenic and antiestrogenic effects, anti-oxidative effects, antiproliferative and anti-aromatase effects. Review of studies showing anticarcinogenic
"High intake of food items rich in phytoestrogens (flaxseed, sunflower seeds, berries, peanuts, beans and soy) was associated with a monotonically decreasing overall risk [26%] of prostate cancer."
Triterpinoids in apple peels have potent anti-proliferative activities against human liver, colon and breast cancer cells," said Rui Hai Liu, Cornell associate professor of food science.