Vaccination is a cost effective means of disease prevention that has already prevented millions of people from death. Recent advances have led to the development of new and promising vaccine strategies, which include development of polysaccharide, subunit/ recombinant vaccines. These vaccines have better safety profile but poor immunogenecity, which require immunopotentiators as adjuvants. Currently many immunomodulators including biological, synthetic and naturals are under evaluation as safer and effective immuno-adjuvants. Hence it requires safer and effective vaccine adjuvants. Botanical...