Our ancestors uses coconut shells and bamboo stems as containers. They also use it to preserve some food stuffs.
With the advent of technology , glass containers was invented . Glass is really inert . It provide excellent protection for food from oxygen and microbial contamination. It is also recyclable .
The drawback of glass bottles is the weight and fragility which lead to wide acceptance of plastic containers as replacements. It is light weight and resistant to breakage.
Human are really created smart. We even preserved the water we drink. We attempted to preserved goods for our safety. But the plastic bottles we use to preserved foods might pose greater danger to our health.
We often recycle plastic of bottled water by filling them repeatedly with tap water. PET bottles or Plastic No. 1 is recommended safe for single use. According to study , repeated use might leach some carcinogenic compounds.
Bisphenol A ( BPA) is beleived to leach from polycarbonate bottles. The popular hard drinking plastic bottles and baby feeding bottles. BPA is one of many man-made chemicals classified as endocrine disruptors, which alter the function of the endocrine system by mimicking the role of the body’s natural hormones. Hormones are secreted through endocrine glands and serve different functions throughout the body.
update as of June 19, 2016:
Low level BPA exposure is safe according to FDA. See “FDA Approved Number 7 Juice Bottle ?”
Manufacture of this containers requires enermous amount of energy . The fumes from factory adds to environmental pollution. Although these plastics are easy to recycle. Most of us are not responsible and many of these used bottles go to landfills.
Are you a fan of plastic containers ? Think twice !