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October 2009

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Subject:
From:
"Geis, Phil" <[log in to unmask]>
Reply To:
The Pharmaceutical Microbiology Forum Email List <[log in to unmask]>
Date:
Wed, 14 Oct 2009 20:57:44 -0400
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You'll find more about it nin the foods context - the idea is that a
number of less aggressive factors (Aw, pH, your Georgard) combine to
effectively preserve rather than one or two primary preservatives.

-----Original Message-----
From: The Pharmaceutical Microbiology Forum Email List
[mailto:[log in to unmask]] On Behalf Of Cindy Jones
Sent: Wednesday, October 14, 2009 5:52 PM
To: [log in to unmask]
Subject: [PMFLIST] hurdle technology

I am looking at some cosmetic preservatives and see gluconolactone and
sodium benzoate (Geogard): the mode of action is said to be 'hurdle
technology' where a more hostile environment is created. Can someone
explain this mode of action further or point me to a site?


 
Cindy Jones, Ph.D., formulator, biochemist
Sagescript Institute, llc


      

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------------------
The PMFList (http://microbiol.org/PMFList_info.htm) is operated from
The Microbiology Network (http://microbiol.org) and supported by
our sponsors (http://microbiol.org/sponsor.htm) as a service to
the scientific community.

Please take a second to visit our sponsors' web sites and say thank you for their support of this service.

Accugenix - http://www.accugenix.com

American Type Culture Collection - http://www.atcc.org

Applied Biosystems, MicroSeq Microbial ID System - http://www.microseq.com/

BD Diagnostic Systems - http://www.bd.com/ds/

Biolog - http://www.biolog.com

Biomerieux - http://industry.biomerieux-usa.com

EMD Chemicals - http://www.emdchemicals.com

MicroBioLogics, Inc. - http://www.microbiologics.com

Millipore - http://www.millipore.com

MODA Technology Partners - http://www.modatp.com

Pall - http://www.pall.com

NovaTek International - http://www.ntint.com

Rapid Micro Biosystems - http://www.rapidmicrobio.com  (formerly GPS)

Raven Biological Labs - http://www.ravenlabs.com

Veltek Associates, Inc - http://www.sterile.com

=================================
The nature of this service is to provide a medium for communication.  The specific statements and endorsements of individuals participating in the discussions are not necessarily those of The Microbiology Network, Inc., the PMF, or the sponsors of the list.

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