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Chapter 7 The Control of Microbial Growth

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Types <strong>of</strong> Disinfectants<br />

• Phenol = carbolic acid<br />

(historic importance)<br />

• Phenolics: Cresols (Lysol)<br />

- disinfectant<br />

• Bisphenols<br />

• Hexachlorophene<br />

(pHisoHex, prescription),<br />

hospitals, surgeries,<br />

nurseries<br />

• Triclosan (toothpaste,<br />

antibacerial soaps, etc.)<br />

Fig 7.7<br />

Phenol and derivatives disrupt plasma membranes<br />

(lipids!) and lipid rich cell walls (??)<br />

Remain active in presence <strong>of</strong> organic compoundsP<br />

Copyright © 2010 Pearson Education, Inc.

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