The rising global incidence of cancer diseases as documented in recent reports of the World Health Organization (WHO) is an issue of serious concern, because the increase is occurring at a faster rate of 48 % in developed countries and 52 % in developing countries. It is estimated that the burden of cancer in these countries will increase to epidemic proportions in the 21st century. Dietary, lifestyle, environmental and chemical factors have been suspected to play significant roles in the occurrence of cancers. Thus, to guard the health of people against mutagenic/carcinogenic agents, it is...