The occurrence of ascorbic acid among the yeasts

Abstract
Forty-two species of yeast were examined for their ability to produce enediols of the ascorbic acid class. A Roe and Kuether chromogen derived from such enediols could be isolated from 23 of the species. The chromogen from four yeasts was further identified by infrared (i.r.) spectrophotometry as being derived from ascorbic acid. At least one species from each family of yeasts was found to produce ascorbic acid.

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