Patent ID: 7727561

Claim:
A composition for treating cancer cell growth comprising an effective amount of an extract fraction obtained from Wenguanguo or Xanthoceras Sorbifolia , wherein the extract fraction consists essentially of a of saponin, wherein the saponin is a compound having structure (Y10): with chemical name: 3-O-[β-galactopyranosyl (1→2)]-α-arabinofuranosyl (1→3)-β-glucuronopyranosyl-21, 22-O-diangeloyl-3β, 16α, 21β, 22α, 28-pentahydroxyolean-12-ene, or Xanifolia-Y10; wherein the cancer is selected from the group consisting of breast cancer, leukocyte cancer, liver cancer, ovary cancer, bladder cancer, prostate cancer, bone cancer, and brain cancer.