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Passive versus Active Packaging

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Immobilized Functional Food<br />

Ingredients (Bio-active <strong>Packaging</strong>)<br />

Enzyme<br />

Antioxidant<br />

Antimicrobial<br />

Bulk<br />

Solution or<br />

Food<br />

Surface<br />

Bulk Polymer<br />

w modified<br />

surface<br />

Spacer<br />

Anchor<br />

<strong>Active</strong><br />

Agent<br />

Covalent attachment of Bioactive<br />

Molecules to Polymers<br />

Polymer surface<br />

Functionalized<br />

Polymer surface<br />

Functionalized<br />

Polymer surface<br />

Biofunctionalized<br />

Polymer surface<br />

Goddard et al 2006<br />

14

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