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Risk Assessment for Packaging (Food Contact) Materials
Adip Roy
Safety & Environmental Assurance Centre, Unilever R&D, 64 Main Road, Whitefield, Bangalore –
560066
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PACKAGING MATERIALS
• Prevent food from contamination
• Preserve safety and quality of food
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Plastics Paper & board
Glass Metals & alloys
Ceramics Paraffin, waxes
Wood Varnishes, inks etc…….
Food contact material needs Careful evaluation
PACKAGING MATERIALS
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PACKAGING MATERIALS
Migration of chemicals from food contact materials:
• Impacts on food quality
• Impact on food safety
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Direct food contact materials:
• Cans, bottles, plastics, caps etc.
- Should have food contact certification
- Migration testing data for wet food
Indirect food contact materials:
• Boards, varnish, inks etc.
- Should have regulatory compliance
PACKAGING MATERIALS
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Foods packaging regulations:
• Regulations available for Direct and Indirect contact materials
• Indian Standards
• FDA 21CFR
• European Directive 2002/72/EC
• BfR
• Australian Standard AS2070-1999
• MERCOSUR Regulations
• FCC
• Japanese Food and Sanitation Act relating to food contact materials
PACKAGING MATERIALS
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Migration:
• Substances from food contact materials must not
migrate in quantities which could endanger
human health.
• Regulations / guidance documents are available
for migration testing of plastics and food contact
materials.
PACKAGING MATERIALS
BIS-migration test guidelines
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PACKAGING MATERIALS
• Thorough toxicological evaluation of both food
ingredients and packaging material is needed for
determination of safety of food products
• In case of information gap, toxicological testing
of packaging material is necessary for safety
assessment
• Additionally, processing conditions, handling and
storage etc. also affect packaging safety
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EXAMPLE – WATER PURIFIERS
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General description:
The purifier mainly consists of a plastic body and
disinfectant
• Plastic body made of high density Polyethylene
terephthalate (PET) and Polycarbonate
• Disinfectant - chlorine (4ppm)
CASE STUDY – A WATER PURIFIER
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RISK ASSESSMENT
Safety support for the components
• Polyethylene terephthalate (PET) – FDA 21CFR 177.1630
• Polycarbonate – FDA 21CFR 177.1580
• WHO guidelines allow up to 5ppm chlorine in drinking
water
• Migration testing of all the plastic components carried out
with chlorinated water under exaggerated conditions
(40oC for 30 days, leaching within limits i.e. <60ppm)
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RISK ASSESSMENT
• All materials of construction are suitable for
drinking water contact.
• Migration tests of the components were carried
out with chlorine water to simulate the chlorine
environment – leaching within acceptable limits.
The device is safe for use as a water purification
unit