While endogenous estrogenic hormones such as estradiol are steroids, equol is a non-steroidal estrogen.
2.
Furthermore, lactoperoxidase may contribute to the initiation of breast cancer, through its ability to oxidize estrogenic hormones producing free radical intermediates.
3.
Premarin, a mixture of about 10 different estrogenic hormones, gets its name from pregnant mare's urine from which it is derived.
4.
Hence quercetin is somewhat ER? selective ( 9 fold ) and is roughly two to three orders of magnitude less potent than the endogenous estrogenic hormone 17?-estradiol.
5.
An earlier study from 2005 by the EPA and the Geographical Survey states that 40 % of water was contaminated with nonprescription pharmaceuticals, and it has been reported that 8 of the 12 most commonly occurring chemicals in drinking water are estrogenic hormones.