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E230: Diphenyl

Biphenyl; phenylbenzene

Origin:
Synthesised from benzene.

Function & characteristics:
White, water-insoluble powder used predominantly against Penicillium fungi growing on citrus fruits. It is used to disinfect containers and in impregnating the wrapping of citrus fruits. Sometimes fruits are dipped in a solution of diphenyl, which slowly penetrates the peel and may be present in the fruit itself.

Products:
Citrus fruits

Acceptable Daily Intake:
Up to 0.05 mg/kg body weight.

Side effects:
It is excreted unaltered by the kidneys. Sensitivity has been reported for people handling large consignments of citrus fruits (ships, trucks). Otherwise there are no side effects

Dietary restrictions:
None – diphenyl can be consumed by all religious groups, vegans and vegetarians.