Insect Repelling Food Packaging Materials
patent PCT/IL99/00354
S.Navarro, R.Dias, A.Ferizli, G.Ahmet, F.Mansour (1999)
SUMMARY OF THE INVENTION: Thus there is provided in accordance with a preferred embodiment of the present invention an insect repelling food packaging material comprising a food packaging material treated with a non toxic to humans insect repelling substance or combination of substances and optionally containing in addition appropriate non toxic synergists and insect-repellent promoters.
Neem seed extract can be mentioned as one example of such a non toxic to humans insect repelling substance. Optimum range for treatment of packaging material with neem seed extracts has been found to be between 0.3% to 7.0%, preferably between zozo 6%.
Turmeric extract can be mentioned as another example of such a non toxic to humans insect repelling substance. Optimum range for treatment of packaging material with turmeric extracts has been found to be between 5% to 40°O"preferably between 13% to 23%.
Other suitable natural substances and combinations of substances can be considered as additional examples of such non toxic to humans insect repelling substances in accordance with additional preferred embodiments of the present invention.
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