BPA Free Baby Bottles |
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BPA is a known carcinogen that can leach into baby food from polycarbonate baby bottles. Continued washing using dish washing or other harsh soaps can break down plastic bottles and cause the migration of BPA into food stored in these bottles. Baby foods stored in cans usually suffer long exposure to the polycarbonate inner lining. Again BPA found in the polycarbonate will migrate to the stored food. Normally foods removed from polycarbonate lined cans are covered by PVC derived plastic wraps, another known carcinogen. BPA is widely used in the manufacture of plastic packaging, the lining of food cans and in some dental fillings. Claims have also been made that BPA behaves in the same manner as diethylstilbestrol (DES) an artificial estrogen banned for pregnant women. BPA can be found in almost every human in the USA at some level. The reason is that BPA is a very common additive found in half of the formulated plastic resins. Make sure to check the labels and bottom of plastic bottles for the SPI codes, which appear as recycling triangles with numbers and letter codes. The codes are a general guideline for streamlining plastic recycling but can be implemented differently depending on the state of origin. Some less hazardous plastics like PET or PETA, which is indicated by the number 1 inside the recycling triangle are safer than other plastics such as PVC and polycarbonate based resins. A plastic widely used in baby toys is HDPE and this is the number 2 inside the recycle triangle, it is also used in food containers. The third plastic is called PVC and we know this to be commonly used in PVC pipes, but it can also be found in plastic food wraps, so look for the number three in the recycling triangle. Low Density Polyethylene is commonly known as LDPE and is plastic number 4, there are no known hazards as in BPA derived plastics, one reason why it is used in plastic food packages and soft sport bottles. Plastic number 5 is a softer plastic used in some baby bottles and is BPA free, it is also know as polypropylene or PP in the SPI codes. Butter, margarine and yogurt are also packaged in polypropylene. Another plastic widely used in packaging food, especially egg cartons, is polystyrene or PS and is indicated by the number 6 in the recycle triangle. The SPI originally had six codes, the number 7 was added to include new plastics that combined the resins of the previous six, and can include plastics with BPA or plastics derived from natural biodegradable sources.
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