[ RadSafe ] Re: ABC (aus) 7;30 Report

[neildm at id.doe.gov]

An interesting thought - melamine is used in some plastics, and if the
irradiation could cause depolymerization ...

Just a WAG; there are a lot of what-ifs implied in that.

Dave Neil 

-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Kai Kaletsch
Sent: Thursday, January 22, 2009 11:15 AM
To: Ivor Surveyor; radsafe at radlab.nl
Subject: Re: [ RadSafe ] Re: ABC (aus) 7;30 Report

What about the possibility of radiation causing chemicals in the
packaging 
being released into the food? Radiation certainly changes plastic and
some 
food cans seem to have a plastic lining. I can't think of anything that 
would have a higher packaging to food ratio than gourmet cat food.

Regards,
Kai

----- Original Message ----- 
From: "Ivor Surveyor" <isurveyor at vianet.net.au>
To: <radsafe at radlab.nl>; <Know_Nukes at yahoogroups.com>
Sent: Tuesday, January 20, 2009 3:34 AM
Subject: [ RadSafe ] Re: ABC (aus) 7;30 Report


>I must thank those who have taken an interest in my posting on the
> subject of irradiated cat food.   I was not previously aware of
> possible biochemical changes in food composition such as low vitamin
> A levels or the changes in fat composition and so on after
irradiation.
>
> I gather from the various references that it is by no means certain
> that axonal degeneration in cats is due to the irradiated food.
> None-the-less it is certainly seems to be suggestive.
>
> One of the greatest problems in any science is the establishment of
> causal relationships.  This is a subject that interested David Hume
> in the eighteen century and more recently the late Professor Sir
> Austin Bradford Hill (1) and the arguments are repeated by Rothman
> and Greenland (2).  Hill stated 9 criteria for establishing a causal
> relationship. In the final analysis it is not a question of ticking
> off the Hill criteria one by one; it is necessary to exercise
> judgment in the light of current knowledge.
>
> However, in view of the responses it is clear to me that I was too
> hasty in my judgment of the ABC program for which I apologize.
>
> I am not sure how this relates to the irradiation of human food.  Two
> differences immediately come to mind.  What are the destructive
> effects on food of various modes of cooking?   Finally humans
> (hopefully) have a much more varied diet then the monotonous diet
> feed to some domesticated or laboratory animals?
>
> I)      Hill AB.  Proc Royal Soc Med 1965; 58:295-300.
> II)     Rothman KJ and Greenland S: In Modern Epidemiology (2nd Ed).
> 1998; Chap 2 page7-28.   Lippincott Williams &Wilkins.
>
>
> Ivor Surveyor
> [ isurveyor at vianet.net.au ]
>
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