| http://www.w3.org/ns/prov#value | - mine; heavy metals such as lead and mercury which can cause brain damage, as well as cadmium, a compound used in batteries, pesticides and antibiotics are all present in the human food chain.China is a major transgressor as carcinogenic chemicals are regularly used as food colouring agents or as preservatives, experts say.In China, food safety is not a concern and all sorts of things like Sudan r
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