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Updated: Aug 17, 2026

Measuring Volatile and Non-volatile Antifungal Activity of Biocontrol Products
Published on: December 5, 2020
[Structural traits of the antioxidant and fungicidal activity of steroid glycosides]
Abstract:
To investigate the origin of antioxidant and antifungal properties of steroid glycosides (SG), a logico-structural analysis of the structure-activity relationships has been performed for 70 compounds using a set of computer programs STRAC. The following structural features responsible for antioxidant activity are revealed: 1) furostanol type of aglycon; 2) the presence of more than 4 branched monosaccharides in the carbohydrate chain; 3) the presence of glucose at C26 and OH-groups in the genin part of SG. Most characteristic for antifungal activity is the fragment genin-C3-Gal-Glc-Glc-Rha..., as well as the spirostanol type of aglycon. The computer analysis provided the basis for predicting a type of biological activity for 12 new compounds of the SG class.
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