11. All parts of the tree are poisonous, the active poisons including saponins . 12. Quillaja saponins are well known for their ability to activate the immune system. 13. Named for the saponin foam that forms on the bark after heavy rain. 14. Saponin can be used to enhance the transmission of molecules through biological cell membranes.15. Ttriterpene saponins from Acacia auriculiformis were found to have sperm immobilizing effect in vitro. 16. Saponins are much more toxic to some other animals than they are to humans.17. The glycoside and saponin constituents are considered toxic. 18. This might be at least partly explained by high saponin content of navy bean. 19. Saponin -containing plants have a long history of use as mild cleaning agents.20. Saponin , found in sigunggu, acts as a vasodilator, stimulating mucus production.
