| http://www.w3.org/ns/prov#value | - chemical contamination food contamination caused by chemical such as cleaning agents, polishes, lubricants, pesticides,... food additives any substance that affects the characteristic of food, such as monosodium glutamate (MSG) food allergy the body's negatie reaction to certain food proteins such as nuts, eggs, or wheat physical contamination foreign material not intended to be in food or natural
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