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Biotech / Medical : Biotech News
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To: Ian@SI who wrote (6690)11/5/2009 7:32:20 AM
From: Biotech Jim  Read Replies (2) of 7143
 
Ian- Do you know if the various Vit D3 and metabolite tests pick up D2 and derivatives (D2 and D3 differ by the presence of a methyl group on aliphatic side chain). As you know, D2 is not naturally produced in man or other mammals and is exogenously added to milk and to margarine while D3 is made in the skin of mammals including man by sun-induced photoisomerization of preVit D3.

Thanks in advance.

BJ
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