الفهرس 
Chapter 1. IntroductionOnly 14 pages are availabe for public view
 |  | from | 112 |  |  |
| | | from | 112 | | |
Abstract
General introduction about Natural Products:
Natural products (NPs) are natural chemical constituents produced by living organisms found
in nature. For instance; marine, algae, fungi, viruses, microbes, bacteria, animals, plants, and
insects. NPs are considered to be the biochemical factory that is responsible for the biochemical
synthesis of both primary and secondary metabolites. Primary metabolites play a key metabolic
role and a vital role in organism survival as well as in photosynthesis, respiration, nutrition,
and reproduction. In contrast, secondary metabolites play an important role in the adaptation
of the organism to the surrounding environment and protection from enemies. Throughout the
ages, NPs have been the most powerful source of potential drug leads. The earliest records of
NPs were depicted using cuneiform writings on clay tablets in Mesopotamia (2600 B.C.) for
treating colds, coughs, and inflammations. Different records