Secondary metabolites chemistry is a main branch of organic chemistry that touches upon many other fields of science, especially applied sciences such as agriculture, health and environment. Involved in the discovery, characterization and cataloging of new chemical substances found in nature. Among other basic scientists,Spirulina , linking bacteria and plants is primitive, has a simple structure but a complex composition. It has been a common dietary substance around the world from ancient times. Although dietary usage and supplementation continues to be popular, there was for a long time no...