Thiamine levels higher since B1 added to bread...

FORTIFYING bread flour with thiamine has achieved its aim: South Australian researchers conclude the baseline thiamine concentration in Australians has been remarkably elevated.

In a letter to the MJA, the researchers, from the Royal Adelaide Hospital’s Drug and Alcohol Resource Unit, found no evidence of thiamine deficiency in Australians with an alcohol disorder aged 19–73 years.

They found a mean concentration of 217 nmol/L, which is 2.5 standard deviations above the mean for the reference population. 

It became mandatory in 1991 to add vitamin B1 to flour.

MJA 2011; 194(5);269

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