“…Yeast Fermentation. In preliminary investigations made in connection with work done at this institution (22) in determining the thiamine content of food samples, considerable difficulty has been encountered in obtaining satisfactory replicate values for the sulfite-treated samples. This difficulty was removed in part by the use of excess hydrogen peroxide in destroying residual sodium sulfite, a precautionary measure recommended by Josephson and Harris (11) for the microfermentation method.…”
Section: Alkali-digested Samples (2a) the Samples Listed Inmentioning
“…Yeast Fermentation. In preliminary investigations made in connection with work done at this institution (22) in determining the thiamine content of food samples, considerable difficulty has been encountered in obtaining satisfactory replicate values for the sulfite-treated samples. This difficulty was removed in part by the use of excess hydrogen peroxide in destroying residual sodium sulfite, a precautionary measure recommended by Josephson and Harris (11) for the microfermentation method.…”
Section: Alkali-digested Samples (2a) the Samples Listed Inmentioning
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