aglycon (aglycone)

https://doi.org/10.1351/goldbook.A00185
The non-sugar compound remaining after replacement of the @G02665@ group from a @G02661@ by a hydrogen atom.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1312 [Terms] [Paper]