Vina-ginsenoside R4 is a triterpenoid vina-ginsenoside standard extracted from Panax ginseng. Panax ginseng is a familiar herbal medicine which has been used as a tonic, sedative, anti-fatigue, or anti-gastric ulcer drug, and also has antidiabetic and antitumor activities. More than 40 ginsenosides have been identified, isolated and characterised till now.