Before revision: The chemical structure of yamogenin, a sapogenin found in fenugreek Sapogenins are the aglycones , or non-saccharide , portions of the family of natural products known as saponins .
After revision: The chemical structure of yamogenin, a sapogenin found in fenugreek Sapogenins are aglycones ( non-saccharide moieties) of saponins, a large family of natural products .