Beige powder extracted from the processing of quinoa grains by mechanical friction. It has a characteristic bitter taste.
The saponin of the quinoa grain is a glycoside located in the episperm of the seeds. It has emulsifying and foaming properties in aqueous solutions and because it is soluble in water, alcohol, and organic solvents.
Saponin can be used in the food, chemical, and cosmetic industries, among others.