Rama Sekhara Reddy, D., et al. “Phytochemical and Antimicrobial Activities of the Soapnut Saponin and Its Derivatives from the Sapindus Mukurossi”. Asian Journal of Chemistry, vol. 22, no. 7, June 2010, pp. 5399-03, https://asianpubs.org/index.php/ajchem/article/view/11764.