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Passive versus Active Packaging

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AFM view of modified<br />

surface of LDPE<br />

Antimicrobial Peptides<br />

• Occur widely in nature.<br />

• Typically 23 to 34 aa to 35-70 kDa proteins.<br />

• Amphipathic and highly basic (+ charge).<br />

• Helical structure.<br />

• Act at cell surface.<br />

• Permeabilize cell membrane.<br />

16

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