ABSTRACT
All pathways necessary for the survival of the plant cells are called basic or primary metabolism, while in the secondary metabolism, compounds are produced and broken down that are essential for the whole plant organism. Both metabolisms are overlapping, since it is often not answered or understood why certain chemical constituents have been produced. All plants produce chemical constituents, part of their normal metabolic activities [1-3]. These, can be divided into primary metabolites, such as sugars, amino acids, nucleotides and fats, found in all plants,
and secondary metabolites. Secondary metabolites have no obvious function in a plant’s primary metabolism as well as in growth, photosynthesis, reproduction, or other ‘‘primary’’ functions of the plant cell. They may possess an ecological role, as pollinator attractants, represent chemical adaptations to environmental stresses, or to be responsible for the chemical defence of the plant against microorganisms, insects and higher predators, or even other plants (allelochemics) [4-7].
