Saponin is a plant-derived glycoside used primarily as a natural surfactant and foaming agent rather than for its odor. It is essentially odorless, with at most a faint, slightly earthy or vegetal note in crude form. Not a fragrance material in the conventional sense.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1251.
Normal concentrations of saponins have no odor and very little taste. Higher concentrations have a bitter-acrid taste, and some saponins are used to create this bitter-tart taste and mouthfeel. Still higher concentrations are irritating to the human mucous membranes.
Saponins are used to create a bitter-tart taste and mouthfeel.