THE JOURNAL OF VITAMINOLOGY
Online ISSN : 2185-2553
Print ISSN : 0022-5398
DETECTION OF THIOTHIAMINE IN ONIONS AND CABBAGES
TAKASHI SUHARA
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JOURNAL FREE ACCESS

1962 Volume 8 Issue 1 Pages 37-40

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Abstract
The existence of thiothiamine in natural foodstuffs has been demonstrated in onion extract after adsorption on acid clay, fractional separation from filter paper pulp and paper chromatography. The extracts of onions and cabbages were treated with BrCN in an acidic medium, whereby thiothiamine was converted into thiochrome, which was extracted and identified by spectrophotometry and paper chromatography.
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© THE VITAMIN SOCIETY OF JAPAN
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