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		 Its the sulfur. 
 
Turkey has a larger than average proportion of methionine and cysteine which are both sulfur bearing amino-acids. Cysteine being the most likely offender due to the pKa of the sulfhydryl (thiol) group. 
 
[edit: missed 'hy' in sulfhydryl] 
		
		
		
		
		
			
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						Last edited by JamesB; 07-07-2009 at 03:54 AM..
					
					
				
			
		
		
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