Abstract
Summary Gas chromatograms of sugar-related hydroxy acids, isolated from French bean and clover, were compared with a gas chromatogram of acids from alfalfa, separated by C lark (1969). The comparison of both chromatograms made possible to enlarge the list of identified compounds in the three species of the Leguminous plants. The acids identified to date were, appearing successively on chromatograms: malonic, succinic, glyceric, fumaric, malic, threonic, 2-C-methyltetronic, isocitric, cis-aconitic, shikimic, citric, quinic, 2-C-(hydroxymethyl)pentonic, gluconic, anu the non-acidic compoundinositol. A comparison was made of our own results with those of S oldatenkov (1971), concerning the nature of sugar-related hydroxy acids. The adds were investigated as to their structure and thei oxidation way and stage, and the joint term of “sugar acids” (SA) for the whole group, starting with C1 oxidation, was suggested, in opposition to uronic acids, rising with C6 oxidation.
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