From an initial isoflavone content of 52µg ± 0.73 / 100g it quickly diminished until at day 7, the concentration reached individual aglycone undetectable levels.» (healthytraditions.com)
The substrate specificity of mammalian thioglycosidase involves both the aglycone and the glycosyl moieties. (science.sciencemag.org)
For example, hesperidin is a glycoside (with sugar) and hesperitin is an aglycone (without sugar). (nutrientsreview.com)