During the film's graduation party in THE GRADUATE, Mr. McGuire pulls Benjamin Braddock (Dustin Hoffman) aside to offer sage advice for his future. His future would be one word: "plastics."
Of course, we all know Mr. McGuire's advice and prognostication was correct. Plastics can only be made by man in his infinite wisdom, hence they are patentable. The profit in the manufacture of plastics has been huge. Plastics are everywhere. Plastic manufacturing now uses 4% of the world's oil production annually. Automobiles are now 9% plastic. It is of my special concern that more foods and beverages are being put into plastic containers. Plastics are ubiquitous now. They persist and accumulate in our society as their production exceeds their chemical degradation rate. Harmful chemicals from plastics are now commonly found in groundwater, waterways, and drinking water.
While standing out in the summer heat in Phoenix, Arizona in 1981, my girlfriend asked me what was causing the film to form on the inside of the windshield of her new Mazda 626. She said that she had to wipe it off every morning so she could see to drive to work. I didn't know then. I do now! It was phthalates, the chemical that was added to the plastic dash cover to soften it and prevent cracking. I'm sure by now most of the phthalate has evaporated into our atmosphere and the Mazda is in some junkyard with a cracked up dash.
Phthalates are EDC's (Endocrine Disrupting Chemicals.) They are chemicals found in recycle codes #1 through #6 plastics. Another EDC (Bisphenol A) is in recycle code #7 plastics. All of these types of plastic EDC's interfere with the function of sex hormones receptors. In THE GRADUATE Benjamin was quite a stud. I wonder if he's now taking one of the popular drugs to treat erectile dysfunction, a disorder that has become one of the many epidemics in our new plastic world.
In 2003 a group of Croatian scientists reported that phthalates in plastics dissolved in various solutions. They used a variety of plastic items, including plastic food containers. After 10 days of sitting in distilled water, an average of 55.4 mg/ of phthalates from each kilogram of plastic "migrated" into the water. To a lesser degree the phthalates from plastics dissolved into acetic acid 3% (44.4 mg/kg) and 10% ethyl alcohol (32.3 mg/kg).
The Croatian study shows what Benjamin would suspect, if he took chemistry in college: Water is the universal solvent; and it dissolves even the primarily fat soluble phthalates. The more that you filter water to remove other toxic solutes, the more aggressive water becomes in its power to reach osmolar equilibrium by dissolving its non-inert containers.
What is also obviously missing from the Croatians' controlled, static testing model are the temperature variations that the plastic bottled water product goes through to get from bottling point to the mouth of the consumer. Transport trucks probably reach a very high temperature in the non refrigerated cargo areas that carry PETE (recycle code #1 plastic) bottled water in the summer. Heat facilitates the dissolution of phthalates into the water. Then the bottles may be stored for a much longer time than 10 days prior to consumption. Furthermore, freezing the containers produces micro-fissures in the interior surface of the plastic bottle container as the water expands, exponentially exposing more solute surface area. Traumatic handling or any motion of the package will further enhance diffusion. Applying the laws of physics, all of these factors clearly by extrapolation will increase the water dissolution of the plastic containers.
Fatty foods in plastic containers are even more problematic, as fats are absorbed differently and carry their phthalate solvents into our bodies more easily. Phthalates bio-accumulate because of their fat solubility. Phthalates concentrate in such fat organs in our bodies such as brains, prostates, testicles, ovaries, breasts and, unfortunately, breast milk. (The other popular food alternatives for infants are worse. Commercial baby formulas are loaded with the manmade phthalates.)
I think the worst example of food containment in plastic is milk. All milk except non-fat milk contains fat. Cow milk itself represents a major source of the fats ingested by the public, especially children. Cattle concentrate these chemicals by bioaccummulation because EDC's from plastics are ubiquitous in water and most animal food sources. Meat and dairy products are therefore a major contributor to this group of human food chain derived toxins, regardless of their containment. It is now irresponsible to add more phathalates to the products by putting the milk products in plastic containers that add MORE EDC's.
Cattle have intentially been "fattened up" by adding hormones AND unintentially "fattened up" more by the contamination of cattle food and water by EDC's. The combination of these chemicals passed on to the consumers in concentrated form in milk products will most likely exacerbate obesity in humans that consume them as well.
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