Juan L. Silva (jls@ra.msstate.edu)
Wed, 02 Feb 2000 08:08:59 -0600
I agree with you Andrew. We have seen no advantages in the catfish area.
Juan L. Silva
Andrew Strak wrote:
> I have done some technical experiments in the past but nothing truly
> scientific. I could not find any defined benefits in terms of shelf life
> extension even at the wash water ozonation level far in excess any limits in
> potable water. After prolonged exposure of the fillets there was some shift
> within bacteria flora and even some molds appeared but no practical quality
> improvement in terms of obtaining sensoricaly sound product were ever
> achieved. But the focus was on spoilage bacteria and not pathogens though.
>
> Andrew Strak
>
> ----- Original Message -----
> From: John French <frenchpe@concentric.net>
> To: <michaelg@ij.co.za>
> Cc: <seafood@ucdavis.edu>
> Sent: Wednesday, February 02, 2000 4:17 AM
> Subject: Re: Using Ozone for Sanitation
>
> > Michael:
> > Ozone is an excellent sanitizer which has a higher oxidizing potential
> than chlorine, and produces fewer questionable by-products upon reacting
> with suspended organic materials. The problem, if you want to call it that,
> is that it has a shorter half life and
> > what little residual there is is more difficult to test for than chlorine.
> In other words, most food technologists in the United States recognize
> ozone's positive attributes but the necessary regulations have been slow to
> develop.
> > John French
> > PEGASUS ENTERPRISES
> >
> > Michael Graz wrote:
> >
> > > Dear Seafoods Listers
> > >
> > > There is a trend in South Africa for meat and chicken processors to use
> ozone in their water and their chill rooms. Has this ever been done in the
> fishing industry? Will ozone have a positive effect on fish quality? May
> ozone be used in the fishing industry?
> > >
> > > Your comments will be gladly appreciated.
> > >
> > > Sincerely
> > >
> > > Michael Graz
> > >
> > > Michael Graz Ph.D. Pr.Sci.Nat.
> > > Divisional Quality Assurance Manager
> > > I&J Seafoods
> > > Cape Town
> > > Tel: +27 21 440 7955
> > > Fax: +27 21 447 4883
> > > Mobile: +27 82 652 2079
> > >
> > > This message is sent in confidence for the attention of the addressee
> only. Unauthorised recipients are requested to preserve this confidentiality
> and are requested to delete the message forthwith.
> >
> >
> >
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