There was an excellent discussion on this listserv on tuna sashimi and
iridescence during April 2000. The messages are archived and can be
accessed via: http://listproc.ucdavis.edu/archives/seafood/log0004/
Pamela Tom
University of California, Sea Grant Extension Program
On Fri, 16 Jul 2004, Solorzano, Luis A wrote:
> I am not sure what the cause may be for the luminous colors present in your
> tuna. However, some bacteria can have a luminescence effect when they grow
> on seafood products. The list server had some discussion about this topic
> in the past and Dr. Price wrote about it:
>
> http://seafood.ucdavis.edu/Pubs/dark.htm
>
> Luis A. Solórzano
> U.S. Food & Drug Administration
> San Francisco District
>
> -----Original Message-----
> From: ranjith_edirisinghe@nara.ac.lk [mailto:ranjith_edirisinghe@nara.ac.lk]
>
> Sent: Friday, July 16, 2004 2:48 AM
> To: ListSeafood
> Subject: Luminous colors in Tuna muscle
>
>
>
> Dear List
>
> I would like to have more information (reasons, changes in composition, any
> effect for human consumption) about luminous colors present in some tuna (in
>
> muscles).
>
>
> Many thanks,
>
>
> Ranjith Edirisinghe
> Head / Post Harvest Technology Division
> National Aquatic Resources Research & Development Agency (NARA) Sri Lanka
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