Hi,
here is a reference on detection of heat-induced changes in collagen.
Jane Richter;
Experimental study of heat induced morphological changes in fish bone
collagen
In: Journal of Archaeological Science 13:9, 477-482, 1986
I guess that you can discuss further with Jane, she is at:
School of Conservation in Copenhagen, Denmark
her e-mail is
[log in to unmask]
Leif Jonsson
Museum of Natural History, Gothenburg, Sweden
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