'''Canning''' is the process of [[preservation (food)|preserving]] food by sealing it in a [[tin]], [[steel]], or [[aluminum]] can, most of which are lined with a plastic-like film of BPA/BPS and other modern chemicals. This term is also sometimes used in reference to preserving food in within a partial vacuum in any sealed container such as a canning jar.
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'''Canning''' is the process of [[preservation (food)|preserving]] food by sealing it in a [[tin]], [[steel]], or [[aluminum]] can, most of which are lined with a plastic-like film of bisphenol A/BPS and other chemicals. This term is also sometimes used in reference to preserving food in within a partial vacuum in any sealed container such as a canning jar.
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Potential toxic substances that can migrate from the can into its contents include lead, causing lead poisoning, or [[bisphenol A]], a potential endocrine disruptor that is an ingredient in the epoxy commonly used to coat the inner surface of cans.