“…Reserpine is the principle component of R. serpentina which is used to treat hypertension (Nammi et al, 2005 ), tachycardia (Jerie, 2007 ), and allergy (Lelek and Furedi Szabo, 1961 ). Other compounds such as ajmaline (Köppel et al, 1989 ), serpentine (Beljanski and Beljanski, 1982 ), rescinnamine (Nammi et al, 2005 ), and yohimbine (Singh et al, 2004 ) are also used as therapeutics in the treatment of different diseases. Catharanthus roseus , a closely related medicinal plant to R. serpentina of same family, is also known for its anti-cancerous properties, where vinblastine and vincristine are the most important molecules that are effectively used in treatment of several cancers (van Der Heijden et al, 2004 ).…”