By Lawrence H. Keith, Tammy L. Jones, Larry L. Needham
Endocrine disruptors are chemicals that, between different destructive results, reason beginning defects in people and animals. They contain DES, an anti-nausea drug utilized in the Nineteen Fifties while pregnant, and should be present in over 70 universal chemical substances starting from insecticides to plastics. This booklet seems to be at fresh advancements within the quarter and examines screening/monitoring tools and analytical techniques.
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Other methods are still in development and may be integrated into monitoring studies as soon as their reliability is established. Background In the 1950s, evidence suggested that the pesticide dichlorodiphenyltrichloroethane (DDT), a manmade chemical, was estrogenic. That is, although not a hormone, the compound was able to bind estrogen receptors causing a hormonal effect. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1999. ch003 24 in the 1960s further implicated DDT to eggshell thinning, and breeding failures and deformations in birds.
At best, B P A can be extracted from a can enamel with chloroform, the extract concentrated, and the presence of B P A confirmed by GC-MS. Once the presence of B P A is confirmed in the package, then further analysis of the food may be warranted. Nonyl phenol derivatives and the or^o-phthalates are approved for use in many different types of food packages. Therefore, the potential exists for these chemicals to be in many different foods. However, it can not be assumed that residues of these chemicals will be found in all packages for which they are approved for use.
Analysis of Environmental Endocrine Disruptors by Lawrence H. Keith, Tammy L. Jones, Larry L. Needham