... %12%20%HPLC. 2.Diosgenin 98%HPLC. Part of the Plant Used: Root.Extract Method: Grain Alcohol/Water CAS #. :512 ... , urinary tract infections, rheumatoid arthritis, cholera, nervous excitement, and gas expulsion. However, research reveals no clinical data regarding the use ... a similar mechanism of uptake with other, otherwise poorly absorbed plant saponins such as dioscin. Research needs to be done to ...