Herbal compositions useful as chemopreventive and therapeutic agents and methods of manufacturing same

摘要

Compositions derived from traditional Chinese herbal medicines, medicinal plants and extracts thereof, are provided for the prevention and treatment of cancers especially cancer of the lung, esophagus, stomach, oral cavity and prostate as well as for treating Helicobacter pylori infection. The compositions of the invention are obtained through specific techniques and have demonstrated efficacy for chemoprevention of cancers of the lung, esophagus, stomach, and the oral cavity as well as exhibiting in vitro activity against prostate cancer and leukemic cell lines. The compositions are useful as adjuncts to conventional surgery or radiotherapy treatments in patients with esophageal cancer. The compositions are effective as a treatment for H. pylori infection. Currently, there is no effective chemopreventive agent for these cancers. The current invention addresses a special need in cancer control. Preferred compositions of the invention contain the herbal ingredients Sophora tonkinensis, Polygonum bistorta, Prunella vulgaris, Sonchus brachyotus, Dictamnus dasycarpus Turcz, and Dioscorea bulbifera.