Ruscogenin Standardization & Grades
Ruscogenin and neoruscogenin are spirostanol sapogenins, the steroid aglycones of the saponins of butcher’s broom rhizome. In the plant they occur largely as glycosides, among them ruscin and ruscoside, and the grade states the content of the two aglycones, which is the form that an HPLC method can quantify consistently. The botanical entity is Ruscus aculeatus L., and the part used is the rhizome, which the master data groups with roots and rhizomes.
The specification has a single grade, so there is no ladder of tiers, and the decision concerns format and dose planning. At 9% ruscogenins, the powder is a whole-rhizome extract in which the sapogenin pair is a major lipophilic component, and the remainder consists of intact saponins, sugars, flavonoids and the pigments of the rhizome. A capsule needs a moderate fill to reach a target, and the powder behaves as a waxy, only partly wettable solid.
The sibling product from the same plant is the Butcher’s Broom Extract Powder, a ratio-based extract made from the same rhizome with no sapogenin figure. A formulator who needs a defined ruscogenin content will choose the graded extract, while one who wants a plain rhizome extract will find the sibling sufficient.
Buyers who compare butcher’s broom extract quotes should check what the figure counts. Ruscogenins can be reported as the free aglycones present in the powder or as the total after hydrolysis of all glycosides, and the second is always larger. The basis, the species and the rhizome as the stated part are the three items that make a ruscogenin percentage comparable between suppliers.












