The alkyl phenols are known to emulate estrogen. Sources of these chemical mimicking estrogens are found in the varnish that lines food cans, detergent breakdown products, and bisphenol-A, a common antioxidant in plastics. These plastics that contain an alky phenols are quite common. The plastics that have been shown to have these estrogen mimics are drinking water bottles, plastic test tubes, and plastic food wrap. Unfortunately, only a handful of chemicals have been tested for hormone disrupting effects. The EPA has listed about 50. The estrogen stimulating effects can be shown to occur in the test tube at parts per billion. In other words, the amount of estrogen that leaches into the water from a plastic test tube is sufficient 5-10 times over to stimulate estrogen sensitive breast cancer cells in the test tube to proliferate.
These chemicals that mimic estrogens may contaminate our air, food and water and end up in our body in parts per billion. However, our human bodies run on hormone levels of parts per trillion.
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